103 Highlights 66 Differences 0 Reactions 0 Likes

QCY PB20A Facts: 141 Specifications & 103 Highlights

Some power banks overpromise. But the QCY PB20A power bank brings real value with 141 practical specs & features — including general information, battery & capacity, charging input performance & power output performance.

Supermod

M. N. Lindasari

623 Products

Moderator

Ivi Meiccel Vidia

2432 Products

64 Points

QCY

QCY PB20A

Highlights ¹⁰³

No extras. Just what matters.

Why is QCY PB20A better than other power banks ?

General Information Battery & Capacity Charging Input Performance Power Output Performance Charging Protocols & Compatibility Physical Dimensions & Weight Build Materials & Durability Display, Indicators & Controls Safety & Protection Features Thermal Management & Cooling Environmental & Efficiency Included Accessories & Packaging Warranty & Support

General Information

Product Type: Power Bank Identifies the functional category of the portable charging device.
Well Suited for Smartphone Charging,Tablet Charging,Laptop Charging,Travel Backup Describes the primary usage scenarios the power bank is designed for.
Released in 2024 Indicates the year the product was first released to market.
Manufactured in China States the country where the product is manufactured or assembled.
Finish Type: Matte Describes the surface finish of the exterior shell.
Storage Temperature Range: -4-113°F Specifies safe temperature conditions for storing the power bank when not in use.

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Battery & Capacity

3,139.8 mAh higher battery capacity States the total energy storage capacity of the battery cells. 20,000.0 mAh vs 16,860.2 mAh
4,174.63 mAh higher rated capacity Indicates the usable output capacity after conversion losses. 20,000.0 mAh vs 15,825.4 mAh
9.29 Watt higher energy rating Measures total energy stored expressed in watt-hours. 74.0 Watt vs 64.7 Watt
Has 4 Cells Shows the number of battery cells inside the power bank.
1.3 % lower self-discharge rate Indicates how much charge is lost when not in use. 3.0 % vs 4.3 %
1.4 Watt lower standby power loss Measures power lost while the unit is idle. 0.3 Watt vs 1.7 Watt
Battery Cell Type: Pouch Indicates the physical form factor of the battery cells used.
Battery Chemistry: Lithium-Polymer Defines the chemical composition of the battery cells.
Battery Configuration: Series-Parallel Configuration Describes how battery cells are electrically arranged to achieve desired voltage and capacity.
Cycle Life Rating: 300–500 Cycles Indicates the estimated number of full charge cycles the battery can complete before noticeable capacity degradation.
Includes Battery Protection System Confirms presence of integrated battery protection circuitry. with a difference of 63.0 points
Supports Overcharge Protection Prevents damage from charging beyond safe limits. with a difference of 63.0 points
Supports Overdischarge Protection Prevents battery depletion below safe voltage levels. with a difference of 62.0 points

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Charging Input Performance

Input Port Type: USB-C Identifies the physical port types used to recharge the power bank.
Has 1 Input Ports Indicates how many input ports are available for charging.
1 hour shorter charging time Estimates total time required to fully recharge the power bank. 2.0 hour vs 3.0 hour
Input Voltage Range: 5–20V Specifies the supported voltage range for charging input.
Supports Fast Input Charging Indicates whether fast-charging input standards are supported. with a difference of 63.0 points
Supports USB-C Input Confirms whether USB-C can be used as a charging input. with a difference of 64.0 points

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Power Output Performance

Has 3 Output Ports Indicates how many devices can be physically connected at once.
Fast Charging Technology: Power Delivery,PPS Lists supported fast-charging standards.
Output Port Type: USB-C,USB-A Identifies the physical ports used to deliver power to devices.
Features Simultaneous Device Charging Indicates whether multiple devices can be charged at once. with a difference of 63.0 points
Output Voltage Range: 5–20V Defines the voltage levels supported for device charging.
6.99 Watt higher output current rating Represents the power delivery capability under load conditions. 45.0 Watt vs 38.0 Watt
Power Distribution Control Available Ensures balanced power delivery across connected devices. with a difference of 64.0 points
Output Stability: Stable Describes how consistently the power bank maintains output power under varying load conditions.
Voltage Regulation Accuracy: Good Indicates how precisely the power bank maintains target voltage levels during charging.
Load Detection Available Automatically detects connected devices to optimize power output. with a difference of 62.0 points
Provides Low-Power Device Mode Enables safe charging for small electronics like earbuds. with a difference of 65.0 points
Features Auto Shut-Off Automatically stops output when no device is connected. with a difference of 63.0 points

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Charging Protocols & Compatibility

Supports USB Power Delivery Indicates support for the USB Power Delivery fast charging standard. with a difference of 64.0 points
Features Quick Charge Confirms compatibility with Qualcomm Quick Charge standards. with a difference of 67.0 points
Compatible with Apple Devices Ensures optimized charging for Apple devices. with a difference of 63.0 points
Compatible with Samsung Devices Confirms optimized charging for Samsung devices. with a difference of 63.0 points
Can Be Used to Charge a Laptop Indicates ability to charge laptops via USB-C output. with a difference of 68.0 points
Can Be Used to Charge a Tablet Confirms reliable charging for tablets and large devices. with a difference of 63.0 points
Supports Wearable Device Indicates compatibility with smartwatches and wearables. with a difference of 63.0 points
Supports Low-Current Device Enables safe charging for devices requiring very low current. with a difference of 63.0 points
Supports Multi-Protocol Supports multiple charging standards simultaneously. with a difference of 64.0 points
Features Protocol Auto-Detection Automatically selects the best protocol for each device. with a difference of 63.0 points
Backward Compatible Ensures support for older devices and standards. with a difference of 63.0 points

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Physical Dimensions & Weight

3.47 inch narrower width Measures the horizontal size of the power bank. 2.7 inch vs 6.2 inch
2.06 lbs lighter weight Indicates how heavy the power bank is for portability. 1.0 lbs vs 3.0 lbs
2.38 inch slimmer depth Measures the front-to-back thickness of the power bank. 1.1 inch vs 3.5 inch
Travel-Friendly Size Indicates suitability for travel and carry-on use. with a difference of 65.0 points

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Build Materials & Durability

Internal Frame Material: Plastic Describes the internal structural material supporting the battery cells.
Outer Shell Material: Plastic,Polycarbonate Specifies the primary material used for the exterior housing.
Impact Resistance Rating: Moderate Impact Resistance Indicates the ability of the power bank to withstand shocks and physical impacts.
Heat Resistant Indicates whether the power bank is designed to withstand elevated internal and external temperatures without performance degradation. with a difference of 63.0 points
Uses Fire Retardant Material Indicates use of flame-resistant materials in construction. with a difference of 64.0 points
Scratch Resistant Indicates whether the exterior surface is resistant to scratches from daily handling and transport. with a difference of 67.0 points
Button Durability Rated Good Indicates the overall durability and longevity of the physical buttons based on build quality and expected usage.
Reinforced Ports Indicates reinforced charging ports for extended lifespan. with a difference of 65.0 points

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Display, Indicators & Controls

Display Type: Digital Display Specifies the type of display used to show power information.
Battery Level Indicator Available Indicates whether the power bank shows remaining battery level. with a difference of 63.0 points
Button Type: Physical Button Describes the type of button used for control.
Has 1 Buttons Indicates the number of physical control buttons.
Auto Wake Feature Available Automatically activates when a device is connected. with a difference of 63.0 points
Auto Sleep Feature Available Automatically enters sleep mode when idle to save power. with a difference of 63.0 points
User Feedback Alerts: LED Light Indicates how the device provides user feedback and alerts.

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Safety & Protection Features

Comes with Thermal Protection Shuts down or limits power when overheating is detected. with a difference of 62.0 points
Features Short Circuit Protection Prevents damage when a short circuit is detected. with a difference of 63.0 points
Supports Overcurrent Protection Protects devices from excessive current flow. with a difference of 62.0 points
Includes Overvoltage Protection Prevents voltage levels from exceeding safe limits. with a difference of 63.0 points
Features Temperature Monitoring Continuously monitors internal temperature. with a difference of 63.0 points
Includes Surge Protection Protects against sudden power surges. with a difference of 64.0 points
Provides Electrostatic Discharge Protection Protects internal circuits from static electricity. with a difference of 64.0 points
Certified with CE,FCC,RoHS for Safety Lists recognized safety and compliance certifications.
Airline Safety Compliant Indicates compliance with airline carry-on regulations. with a difference of 63.0 points
Includes Fire Protection Circuit Includes circuitry designed to prevent fire hazards. with a difference of 63.0 points
Uses Smart Power Management Dynamically manages power to maintain safe operation. with a difference of 63.0 points
Provides Fail-Safe Shutdown Automatically shuts down under critical fault conditions. with a difference of 63.0 points
Safety Firmware Available Uses firmware logic to manage and enforce safety rules. with a difference of 68.0 points

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Thermal Management & Cooling

Provides Thermal Management System Indicates whether the power bank includes an integrated thermal management system. with a difference of 63.0 points
Heat Dissipation Method: Passive Cooling,Heat Spreader Describes how heat is dispersed away from internal components.
Features Internal Heat Sink Indicates the presence of an internal heat sink to absorb and spread heat. with a difference of 69.0 points
Has 2 Thermal Sensors Specifies how many thermal sensors are used for temperature monitoring.
Supports Thermal Throttling Reduces power output automatically to prevent overheating. with a difference of 63.0 points
Cooling Design Type: Enhanced Passive Cooling Describes the overall cooling architecture used to manage internal heat during charging and discharging.
Provides Surface Temperature Control Limits external surface temperature for safe handling. with a difference of 64.0 points
Features Heat Spread Layer Indicates the use of internal layers to evenly distribute heat. with a difference of 65.0 points
Charging Temperature Regulation Available Actively manages temperature during charging cycles. with a difference of 63.0 points
Discharge Temperature Regulation Available Controls temperature while powering external devices. with a difference of 62.0 points
Overheat Recovery Behavior: Automatic Resume Defines how the system recovers after an overheat shutdown.

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Environmental & Efficiency

4.13 % higher energy conversion efficiency Measures how efficiently stored energy is converted into usable output power. 90.0 % vs 85.9 %
0.21 Watt lower idle power consumption Indicates how much power is consumed when the power bank is not actively charging devices. 0.1 Watt vs 0.3 Watt
Automatic Power Optimization Available Automatically adjusts output to reduce energy waste. with a difference of 63.0 points

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Included Accessories & Packaging

1.54 inch smaller package width Measures the width of the retail packaging. 3.5 inch vs 5.0 inch
1.22 inch smaller package depth Measures the depth of the retail packaging. 1.5 inch vs 2.7 inch
Charging Cable Included :val Indicates whether a charging cable is included in the box. with a difference of 63.0 points
Includes User Manual Indicates whether a user manual or guide is provided. with a difference of 62.0 points

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Warranty & Support

Support Channels: Email Lists available customer support contact methods.
Has 12 Months Warranty Indicates the duration of the manufacturer warranty.
Battery Covered by Warranty Indicates whether the battery itself is covered under warranty. with a difference of 62.0 points
Technical Support Available Confirms access to technical support services. with a difference of 62.0 points
Provides Replacement Policy Indicates eligibility for replacement in case of defects. with a difference of 61.0 points

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Quick Take

The essentials that matter—nothing extra

A fast snapshot of the QCY PB20A, covering its standout specification and what you can expect right out of the box.

QCY PB20A

This high-density power bank features a massive 20,000mAh capacity and provides up to 45W of fast-charging power, making it strong enough to support smartphones, tablets, and even some laptops. It includes a convenient built-in USB-C cable and a clear LED digital display that shows you exactly how much battery life is remaining at a glance. With the ability to charge up to three devices simultaneously, it serves as the ultimate travel companion for keeping all your essential tech powered throughout the day.

Specifications & Facts ¹⁴¹

Specs measured. Drama avoided.

We reviewed the QCY PB20A power bank from top to bottom. Full specs, side-by-side with other top power banks, plus crowd reactions and ratings.

General Information ¹⁰

QCY PB20A Color Options

What color options are available?

65 QCY PB20A 0 Votes Black

19 Power Banks in this range Black

QCY PB20A

The power bank is offered in the Black color option, a common choice for electronic devices for a sleek and professional look.

Lists the available exterior color choices.

QCY PB20A Operating Temperature Minimum

What is the minimum operating temperature?

32 °F 0 Votes

28.01 °F (Average)

QCY PB20A

The operating temperature minimum is 32 °F, or 0 °C, below which the device may not function optimally.

Defines the lowest ambient temperature the power bank can operate safely.

QCY PB20A Operating Temperature Maximum

What is the maximum operating temperature?

104 °F 0 Votes

106.23 °F (Average)

QCY PB20A

Operating temperature maximum is 104 °F, which is approximately 40 °C. This helps ensure safety and performance within typical ambient temperature ranges.

Defines the highest ambient temperature the power bank can operate safely.

QCY PB20A Product Type

What is the product type?

47 QCY PB20A 0 Votes Power Bank

13 Power Banks in this range Power Bank

Identifies the functional category of the portable charging device.

QCY PB20A Intended Use Case

What is the intended use case?

66 QCY PB20A 0 Votes Smartphone Charging, Tablet Charging, Laptop Charging, Travel Backup

18 Power Banks in this range Smartphone Charging, Tablet Charging, Travel Backup, Emergency Power

Describes the primary usage scenarios the power bank is designed for.

QCY PB20A Release Year

What is the release year?

82 QCY PB20A 0 Votes 2024

20 Power Banks in this range 2024

Indicates the year the product was first released to market.

QCY PB20A Country of Origin

Where is this product made?

37 QCY PB20A 0 Votes China

10 Power Banks in this range China

States the country where the product is manufactured or assembled.

QCY PB20A Finish Type

What type of finish does it have?

37 QCY PB20A 0 Votes Matte

12 Power Banks in this range Matte

Describes the surface finish of the exterior shell.

QCY PB20A Rugged Design

Does it have a rugged design?

No 0 Votes ~~QCY PB20A~~

Yes Power Banks in this range

Indicates whether the power bank is built for enhanced durability.

QCY PB20A Storage Temperature Range

What is the storage temperature range?

42 QCY PB20A 0 Votes -4-113°F

13 Power Banks in this range 32–113°F

Specifies safe temperature conditions for storing the power bank when not in use.

Battery & Capacity ¹⁴

QCY PB20A Battery Capacity

What is the battery capacity?

20,000 mAh 0 Votes

16,860.2 mAh (Average)

QCY PB20A

The battery capacity is 20000 mAh, suitable for multiple charges of smartphones and other portable devices.

States the total energy storage capacity of the battery cells.

QCY PB20A Rated Capacity

What is the rated capacity?

20,000 mAh 0 Votes

15,825.37 mAh (Average)

QCY PB20A

The rated capacity matches the battery capacity at 20000 mAh, indicating the manufacturer's stated usable charge amount.

Indicates the usable output capacity after conversion losses.

QCY PB20A Energy Rating

What is the energy rating?

74 Watt 0 Votes

64.71 Watt (Average)

QCY PB20A

With an energy rating of 74 Watt, this indicates the typical power capacity or maximum energy output relevant to performance.

Measures total energy stored expressed in watt-hours.

QCY PB20A Cell Count

How many battery cells are used?

33 QCY PB20A 0 Votes 4

6 Power Banks in this range 1

QCY PB20A

The internal battery configuration consists of 4 cells, which can influence the power bank's overall efficiency and capacity.

Shows the number of battery cells inside the power bank.

QCY PB20A Self-Discharge Rate

What is the self-discharge rate?

3 % 0 Votes

4.3 % (Average)

QCY PB20A

The self-discharge rate is 3%, indicating how much battery capacity is lost per month when not in use, which is relatively low for power banks.

Indicates how much charge is lost when not in use.

QCY PB20A Standby Power Loss

How much power is lost in standby?

0.3 Watt 0 Votes

1.7 Watt (Average)

QCY PB20A

Standby power loss is 0.3 Watt, indicating low energy drain when the device is plugged in but not actively charging.

Measures power lost while the unit is idle.

QCY PB20A Battery Cell Type

What type of battery cell does it use?

82 QCY PB20A 0 Votes Pouch

22 Power Banks in this range Pouch

Indicates the physical form factor of the battery cells used.

QCY PB20A Battery Chemistry

What battery chemistry is used?

57 QCY PB20A 0 Votes Lithium-Polymer

17 Power Banks in this range Lithium-Polymer

Defines the chemical composition of the battery cells.

QCY PB20A Battery Voltage

What is the battery voltage?

3.7 Volt 0 Votes

5.62 Volt (Average)

Indicates the nominal voltage of the battery pack.

QCY PB20A Battery Configuration

What is the battery configuration?

82 QCY PB20A 0 Votes Series-Parallel Configuration

20 Power Banks in this range Single Cell

Describes how battery cells are electrically arranged to achieve desired voltage and capacity.

QCY PB20A Cycle Life Rating

What is the cycle life rating?

27 QCY PB20A 0 Votes 300–500 Cycles

10 Power Banks in this range 300–500 Cycles

Indicates the estimated number of full charge cycles the battery can complete before noticeable capacity degradation.

QCY PB20A Battery Protection System

Does it include a battery protection system?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Confirms presence of integrated battery protection circuitry.

QCY PB20A Overcharge Protection

Is overcharge protection supported?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Prevents damage from charging beyond safe limits.

QCY PB20A Overdischarge Protection

Is overdischarge protection supported?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Prevents battery depletion below safe voltage levels.

Charging Input Performance ¹⁰

QCY PB20A Input Port Type

What input port types are supported?

87 QCY PB20A 0 Votes USB-C

22 Power Banks in this range USB-C

QCY PB20A

The power bank supports the USB-C input port type, which is widely used for fast and reversible charging connections.

Identifies the physical port types used to recharge the power bank.

QCY PB20A Input Port Count

How many input ports does it have?

17 QCY PB20A 0 Votes 1

7 Power Banks in this range 1

QCY PB20A

There is a single input port, simplifying the design but possibly limiting simultaneous input charging options.

Indicates how many input ports are available for charging.

QCY PB20A Maximum Input Power

What is the maximum input power?

45 Watt 0 Votes

45.91 Watt (Average)

QCY PB20A

The maximum input power supported is 45 Watt, dictating how fast the power bank can charge when connected to a strong power source.

Shows the maximum power the power bank can accept while charging.

QCY PB20A Charging Efficiency

What is the charging efficiency?

85 % 0 Votes

85.36 % (Average)

QCY PB20A

Charging efficiency is rated at 85%, reflecting the proportion of input power effectively converted to charge the battery.

Measures how efficiently input power is converted to stored energy.

QCY PB20A Charging Time

How long does it take to fully recharge?

2 hour 0 Votes

3 hour (Average)

QCY PB20A

The charging time to fully recharge the power bank is about 2 hours, which is relatively fast for a 20,000 mAh unit.

Estimates total time required to fully recharge the power bank.

QCY PB20A Input Voltage Range

What input voltage range is supported?

67 QCY PB20A 0 Votes 5–20V

12 Power Banks in this range 5V

Specifies the supported voltage range for charging input.

QCY PB20A Input Current Rating

What is the input current rating?

2.25 Amp 0 Votes

3.01 Amp (Average)

Defines the maximum current the power bank can draw during charging.

QCY PB20A Fast Input Charging

Does it support fast input charging?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Indicates whether fast-charging input standards are supported.

QCY PB20A USB-C Input

Is USB-C input supported?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Confirms whether USB-C can be used as a charging input.

QCY PB20A Pass-Through Charging

Does it support pass-through charging?

No 0 Votes ~~QCY PB20A~~

Yes Power Banks in this range

Allows the power bank to charge devices while being charged itself.

Power Output Performance ¹⁴

QCY PB20A Output Port Count

How many output ports does it have?

47 QCY PB20A 0 Votes 3

9 Power Banks in this range 2

QCY PB20A

This power bank has three output ports, allowing multiple devices to be charged simultaneously.

Indicates how many devices can be physically connected at once.

QCY PB20A Maximum Output Power

What is the maximum output power?

45 Watt 0 Votes

357.6 Watt (Average)

QCY PB20A

Maximum output power is also 45 Watt, indicating the highest power delivery capacity for charging connected devices.

Shows the highest power level supported by a single output.

QCY PB20A Total Output Power

What is the total output power?

45 Watt 0 Votes

150.92 Watt (Average)

QCY PB20A

The total output power is 45 Watt, ensuring sufficient power delivery for laptops and other high-demand devices.

Measures the combined power available when using multiple ports.

QCY PB20A Fast Charging Technology

Which fast charging technologies are supported?

52 QCY PB20A 0 Votes Power Delivery, PPS

15 Power Banks in this range Power Delivery

QCY PB20A

This device supports Fast Charging Technologies including Power Delivery and Programmable Power Supply (PPS), which optimize charging speed and compatibility.

Lists supported fast-charging standards.

QCY PB20A Output Port Type

What output port types are available?

67 QCY PB20A 0 Votes USB-C, USB-A

20 Power Banks in this range USB-A, USB-C

Identifies the physical ports used to deliver power to devices.

QCY PB20A Simultaneous Device Charging

Can it charge multiple devices simultaneously?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Indicates whether multiple devices can be charged at once.

QCY PB20A Output Voltage Range

What output voltage range is supported?

77 QCY PB20A 0 Votes 5–20V

17 Power Banks in this range 5V

Defines the voltage levels supported for device charging.

QCY PB20A Output Current Rating

What is the output current rating?

45 Watt 0 Votes

38.01 Watt (Average)

Represents the power delivery capability under load conditions.

QCY PB20A Power Distribution Control

Does it manage power distribution automatically?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Ensures balanced power delivery across connected devices.

QCY PB20A Output Stability

How stable is the output power?

37 QCY PB20A 0 Votes Stable

14 Power Banks in this range Stable

Describes how consistently the power bank maintains output power under varying load conditions.

QCY PB20A Voltage Regulation Accuracy

How accurate is the voltage regulation?

47 QCY PB20A 0 Votes Good

16 Power Banks in this range Good

Indicates how precisely the power bank maintains target voltage levels during charging.

QCY PB20A Load Detection

Does it detect connected device load?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Automatically detects connected devices to optimize power output.

QCY PB20A Low-Power Device Mode

Is there a low-power device mode?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Enables safe charging for small electronics like earbuds.

QCY PB20A Auto Shut-Off

Does it auto shut off when idle?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Automatically stops output when no device is connected.

Charging Protocols & Compatibility ¹²

QCY PB20A USB Power Delivery

Does it support USB Power Delivery?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Indicates support for the USB Power Delivery fast charging standard.

QCY PB20A Quick Charge

Is Quick Charge supported?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Confirms compatibility with Qualcomm Quick Charge standards.

QCY PB20A Programmable Power Supply

Does it support PPS charging?

No 0 Votes ~~QCY PB20A~~

Yes Power Banks in this range

Indicates support for Programmable Power Supply charging.

QCY PB20A Apple Charging Compatibility

Is it compatible with Apple devices?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Ensures optimized charging for Apple devices.

QCY PB20A Samsung Charging Compatibility

Is it compatible with Samsung devices?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Confirms optimized charging for Samsung devices.

QCY PB20A Laptop Charging

Can it charge laptops?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Indicates ability to charge laptops via USB-C output.

QCY PB20A Tablet Charging

Can it charge tablets?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Confirms reliable charging for tablets and large devices.

QCY PB20A Wearable Device

Does it support wearable devices?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Indicates compatibility with smartwatches and wearables.

QCY PB20A Low-Current Device

Does it support low-current devices?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Enables safe charging for devices requiring very low current.

QCY PB20A Multi-Protocol

Does it support multiple protocols?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Supports multiple charging standards simultaneously.

QCY PB20A Protocol Auto-Detection

Does it auto-detect charging protocols?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Automatically selects the best protocol for each device.

QCY PB20A Backward Compatibility

Is it backward compatible?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Ensures support for older devices and standards.

Physical Dimensions & Weight ⁶

QCY PB20A Width

What is the width?

2.7 inch 0 Votes

6.17 inch (Average)

QCY PB20A

The device width measures 2.7 inch, which converts to roughly 6.86 cm, contributing to a compact form factor.

Measures the horizontal size of the power bank.

QCY PB20A Height

What is the height?

5.7 inch 0 Votes

3.33 inch (Average)

QCY PB20A

Height is 5.7 inch, approximately 14.48 cm, further describing the overall size of the power bank.

Measures the vertical dimension of the power bank.

QCY PB20A Weight

How much does it weigh?

0.95 lbs 0 Votes

3.01 lbs (Average)

QCY PB20A

The weight of the device is 0.95 lbs, approximately 0.43 kg, making it lightweight and portable.

Indicates how heavy the power bank is for portability.

QCY PB20A Depth

What is the depth?

1.1 inch 0 Votes

3.48 inch (Average)

Measures the front-to-back thickness of the power bank.

QCY PB20A Pocket-Friendly Design

Is it pocket-friendly?

No 0 Votes ~~QCY PB20A~~

Yes Power Banks in this range

Indicates whether the size is suitable for pocket carry.

QCY PB20A Travel-Friendly Size

Is it travel-friendly?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Indicates suitability for travel and carry-on use.

Build Materials & Durability ¹⁰

QCY PB20A Internal Frame Material

What is the internal frame material?

17 QCY PB20A 0 Votes Plastic

9 Power Banks in this range Plastic

QCY PB20A

The internal frame material is Plastic, which typically reduces weight but may affect durability compared to metal frames.

Describes the internal structural material supporting the battery cells.

QCY PB20A Drop Resistance Height

What drop height can it survive?

3 ft 0 Votes

3.42 ft (Average)

QCY PB20A

The device has a drop resistance height of 3 ft, about 0.91 m, providing moderate protection against accidental drops from typical hand height.

Specifies the maximum drop height the device can withstand.

QCY PB20A Outer Shell Material

What is the outer shell material?

47 QCY PB20A 0 Votes Plastic, Polycarbonate

13 Power Banks in this range Plastic

Specifies the primary material used for the exterior housing.

QCY PB20A Impact Resistance Rating

What is the impact resistance rating?

47 QCY PB20A 0 Votes Moderate Impact Resistance

11 Power Banks in this range Moderate Impact Resistance

Indicates the ability of the power bank to withstand shocks and physical impacts.

QCY PB20A Heat Resistance

Is the power bank heat resistant?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Indicates whether the power bank is designed to withstand elevated internal and external temperatures without performance degradation.

QCY PB20A Fire Retardant Materials

Does it use fire-retardant materials?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Indicates use of flame-resistant materials in construction.

QCY PB20A Scratch Resistance

Is the surface scratch resistant?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Indicates whether the exterior surface is resistant to scratches from daily handling and transport.

QCY PB20A Structural Reinforcement

Is there structural reinforcement?

No 0 Votes ~~QCY PB20A~~

Yes Power Banks in this range

Indicates added reinforcement for improved durability.

QCY PB20A Button Durability Rating

How durable are the buttons?

37 QCY PB20A 0 Votes Good

15 Power Banks in this range Good

Indicates the overall durability and longevity of the physical buttons based on build quality and expected usage.

QCY PB20A Port Reinforcement

Are the ports reinforced?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Indicates reinforced charging ports for extended lifespan.

Display, Indicators & Controls ¹⁰

QCY PB20A Display Type

What type of display does it have?

57 QCY PB20A 0 Votes Digital Display

6 Power Banks in this range LED Indicator

QCY PB20A

A digital display is provided, giving clear visual information on battery status and other operational data.

Specifies the type of display used to show power information.

QCY PB20A Indicator Accuracy

How accurate is the battery indicator?

5 % 0 Votes

64.85 % (Average)

QCY PB20A

The indicator accuracy is rated at 5%, referring to how precisely the device can monitor battery level or charging status.

Measures how accurately the indicator reflects actual remaining power.

QCY PB20A Battery Level Indicator

Does it show battery level?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Indicates whether the power bank shows remaining battery level.

QCY PB20A Remaining Time Display

Does it display remaining time?

No 0 Votes ~~QCY PB20A~~

Yes Power Banks in this range

Shows estimated remaining usage or charging time.

QCY PB20A Button Type

What type of button does it use?

27 QCY PB20A 0 Votes Physical Button

7 Power Banks in this range Physical Button

Describes the type of button used for control.

QCY PB20A Button Count

How many buttons are there?

22 QCY PB20A 0 Votes 1

7 Power Banks in this range 1

Indicates the number of physical control buttons.

QCY PB20A Touch Control

Does it support touch controls?

No 0 Votes ~~QCY PB20A~~

Yes Power Banks in this range

Indicates whether touch-based controls are supported.

QCY PB20A Auto Wake Feature

Does it auto wake when a device is connected?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Automatically activates when a device is connected.

QCY PB20A Auto Sleep Feature

Does it auto sleep when idle?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Automatically enters sleep mode when idle to save power.

QCY PB20A User Feedback Alerts

What user alerts are available?

22 QCY PB20A 0 Votes LED Light

6 Power Banks in this range LED Light

Indicates how the device provides user feedback and alerts.

Safety & Protection Features ¹⁴

QCY PB20A Thermal Protection

Does it have thermal protection?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Shuts down or limits power when overheating is detected.

QCY PB20A Short Circuit Protection

Does it have short circuit protection?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Prevents damage when a short circuit is detected.

QCY PB20A Overcurrent Protection

Is overcurrent protection supported?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Protects devices from excessive current flow.

QCY PB20A Overvoltage Protection

Does it include overvoltage protection?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Prevents voltage levels from exceeding safe limits.

QCY PB20A Temperature Monitoring

Is temperature monitored internally?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Continuously monitors internal temperature.

QCY PB20A Foreign Object Detection

Does it detect foreign objects?

No 0 Votes ~~QCY PB20A~~

Yes Power Banks in this range

Detects abnormal objects or unsafe connections.

QCY PB20A Surge Protection

Is surge protection included?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Protects against sudden power surges.

QCY PB20A Electrostatic Discharge Protection

Does it protect against static discharge?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Protects internal circuits from static electricity.

QCY PB20A Safety Certification

What safety certifications does it have?

65 QCY PB20A 0 Votes CE, FCC, RoHS

18 Power Banks in this range CE, FCC, RoHS

Lists recognized safety and compliance certifications.

QCY PB20A Airline Safety Compliance

Is it airline-safe?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Indicates compliance with airline carry-on regulations.

QCY PB20A Fire Protection Circuit

Does it include fire protection circuitry?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Includes circuitry designed to prevent fire hazards.

QCY PB20A Smart Power Management

Does it use smart power management?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Dynamically manages power to maintain safe operation.

QCY PB20A Fail-Safe Shutdown

Does it have fail-safe shutdown?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Automatically shuts down under critical fault conditions.

QCY PB20A Safety Firmware

Is safety firmware implemented?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Uses firmware logic to manage and enforce safety rules.

Thermal Management & Cooling ¹²

QCY PB20A Thermal Cutoff Threshold

At what temperature does it shut down?

140 °F 0 Votes

144.7 °F (Average)

QCY PB20A

Thermal cutoff threshold at 140 °F equals about 60 °C, representing the temperature where the device automatically shuts down to prevent damage.

Indicates the temperature at which the system shuts down to prevent damage.

QCY PB20A Thermal Management System

Does it have a thermal management system?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Indicates whether the power bank includes an integrated thermal management system.

QCY PB20A Heat Dissipation Method

How does it dissipate heat?

37 QCY PB20A 0 Votes Passive Cooling, Heat Spreader

9 Power Banks in this range Passive Cooling

Describes how heat is dispersed away from internal components.

QCY PB20A Internal Heat Sink

Is there an internal heat sink?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Indicates the presence of an internal heat sink to absorb and spread heat.

QCY PB20A Thermal Sensor Count

How many thermal sensors are used?

57 QCY PB20A 0 Votes 2

13 Power Banks in this range 1

Specifies how many thermal sensors are used for temperature monitoring.

QCY PB20A Thermal Throttling

Does it support thermal throttling?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Reduces power output automatically to prevent overheating.

QCY PB20A Cooling Design Type

What cooling design type is used?

77 QCY PB20A 0 Votes Enhanced Passive Cooling

16 Power Banks in this range Passive Cooling

Describes the overall cooling architecture used to manage internal heat during charging and discharging.

QCY PB20A Surface Temperature Control

Is surface temperature controlled?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Limits external surface temperature for safe handling.

QCY PB20A Heat Spread Layer

Is there a heat spread layer?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Indicates the use of internal layers to evenly distribute heat.

QCY PB20A Charging Temperature Regulation

Is charging temperature regulated?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Actively manages temperature during charging cycles.

QCY PB20A Discharge Temperature Regulation

Is discharge temperature regulated?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Controls temperature while powering external devices.

QCY PB20A Overheat Recovery Behavior

How does it recover from overheating?

67 QCY PB20A 0 Votes Automatic Resume

17 Power Banks in this range Automatic Resume

Defines how the system recovers after an overheat shutdown.

Connectivity & Smart Features ⁸

QCY PB20A Bluetooth Connectivity

Does it support Bluetooth connectivity?

No 0 Votes ~~QCY PB20A~~

Yes Power Banks in this range

Indicates whether the power bank can connect wirelessly to other devices.

QCY PB20A App Support

Is there app support?

No 0 Votes ~~QCY PB20A~~

Yes Power Banks in this range

Confirms whether a companion mobile app is available.

QCY PB20A Firmware Upgradable

Can the firmware be updated?

No 0 Votes ~~QCY PB20A~~

Yes Power Banks in this range

Indicates whether firmware can be updated to improve functionality.

QCY PB20A Smart Power Monitoring

Does it offer smart power monitoring?

No 0 Votes ~~QCY PB20A~~

Yes Power Banks in this range

Provides real-time monitoring of power flow and usage.

QCY PB20A Device Usage Analytics

Does it provide usage analytics?

No 0 Votes ~~QCY PB20A~~

Yes Power Banks in this range

Tracks connected device charging behavior and patterns.

QCY PB20A Charging History Tracking

Is charging history tracked?

No 0 Votes ~~QCY PB20A~~

Yes Power Banks in this range

Records past charging sessions for review.

QCY PB20A Remote Status Monitoring

Can status be monitored remotely?

No 0 Votes ~~QCY PB20A~~

Yes Power Banks in this range

Allows users to check power bank status remotely.

QCY PB20A Smart Alerts

Are smart alerts available?

No 0 Votes ~~QCY PB20A~~

Yes Power Banks in this range

Sends alerts for battery status, faults, or charging completion.

Environmental & Efficiency ⁶

QCY PB20A Energy Conversion Efficiency

What is the energy conversion efficiency?

90 % 0 Votes

85.87 % (Average)

Measures how efficiently stored energy is converted into usable output power.

QCY PB20A Idle Power Consumption

How much power is used while idle?

0.1 Watt 0 Votes

0.31 Watt (Average)

Indicates how much power is consumed when the power bank is not actively charging devices.

QCY PB20A Eco Mode

Does it support eco mode?

No 0 Votes ~~QCY PB20A~~

Yes Power Banks in this range

Enables reduced power usage to improve efficiency and battery longevity.

QCY PB20A Automatic Power Optimization

Does it optimize power automatically?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Automatically adjusts output to reduce energy waste.

QCY PB20A Sustainable Materials

Does it use sustainable materials?

No 0 Votes ~~QCY PB20A~~

Yes Power Banks in this range

Indicates use of environmentally friendly or recycled materials.

QCY PB20A Recycling Program

Is a recycling program supported?

No 0 Votes ~~QCY PB20A~~

Yes Power Banks in this range

Indicates manufacturer support for recycling or take-back programs.

Included Accessories & Packaging ⁸

QCY PB20A Package Width

What is the package width?

3.5 inch 0 Votes

5.04 inch (Average)

QCY PB20A

The package width is 3.5 inch which equals approximately 8.89 cm. This gives a sense of the device's size for fitting in bags or pockets.

Measures the width of the retail packaging.

QCY PB20A Package Depth

What is the package depth?

1.5 inch 0 Votes

2.72 inch (Average)

QCY PB20A

The package depth measures 1.5 inch, which is about 3.81 cm, indicating the thickness of the box or device enclosure.

Measures the depth of the retail packaging.

QCY PB20A Package Height

What is the package height?

6.5 inch 0 Votes

4.49 inch (Average)

QCY PB20A

Package height is measured at 6.5 inch, or approximately 16.51 cm, including the packaging materials.

Measures the height of the retail packaging.

QCY PB20A Charging Cable

Is a charging cable included?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Indicates whether a charging cable is included in the box.

QCY PB20A Cable Length

What is the cable length?

0.5 ft 0 Votes

4.14 ft (Average)

Specifies the length of the included charging cable.

QCY PB20A Carrying Case

Is a carrying case included?

No 0 Votes ~~QCY PB20A~~

Yes Power Banks in this range

Indicates whether a protective carrying case is included.

QCY PB20A Wall Adapter

Is a wall adapter included?

No 0 Votes ~~QCY PB20A~~

Yes Power Banks in this range

Indicates whether a wall charging adapter is provided.

QCY PB20A User Manual

Is a user manual included?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Indicates whether a user manual or guide is provided.

Warranty & Support ⁷

QCY PB20A Support Channels

What support channels are available?

37 QCY PB20A 0 Votes Email

12 Power Banks in this range Email, Phone

QCY PB20A

Customer support is provided via Email, enabling users to contact the company for help and inquiries.

Lists available customer support contact methods.

QCY PB20A Warranty Length

How long is the warranty?

57 QCY PB20A 0 Votes 12 Months

17 Power Banks in this range 12 Months

Indicates the duration of the manufacturer warranty.

QCY PB20A Battery Warranty Coverage

Is the battery covered by warranty?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Indicates whether the battery itself is covered under warranty.

QCY PB20A Technical Support Availability

Is technical support available?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Confirms access to technical support services.

QCY PB20A Replacement Policy

Is there a replacement policy?

Yes 0 Votes QCY PB20A

Yes Power Banks in this range

Indicates eligibility for replacement in case of defects.

QCY PB20A Repair Service Availability

Are repair services available?

No 0 Votes ~~QCY PB20A~~

Yes Power Banks in this range

Confirms whether repair services are offered.

QCY PB20A Firmware Support Duration

How long is firmware support provided?

0 years 0 Votes

2.4 years (Average)

Indicates how long the manufacturer provides firmware updates and software support.

Surveys

Because hot takes deserve votes.

QCY PB20A Charging Speed Performance

How fast does this power bank recharge devices in everyday use?

Ultra fast charging — Under 1.5 hours 0 Votes

Very fast charging — 1.5 to 3 hours 0 Votes

Moderate charging — 3 to 5 hours 0 Votes

Slow charging — 5 to 8 hours 0 Votes

Very slow charging — Over 8 hours 0 Votes

QCY PB20A Battery Capacity Satisfaction

How satisfied are you with the battery capacity of this power bank for daily needs?

Massive capacity for multiple days — Over 30000 mAh 0 Votes

Very high capacity — 20000 to 30000 mAh 0 Votes

Solid everyday capacity — 10000 to 19999 mAh 0 Votes

Limited capacity — 5000 to 9999 mAh 0 Votes

Barely useful capacity — Under 5000 mAh 0 Votes

QCY PB20A Output Power and Device Support

How well does this power bank handle charging different devices at once?

Handles everything with ease — 100 W or more 0 Votes

Strong multi device support — 60 to 99 W 0 Votes

Good for phones and tablets — 30 to 59 W 0 Votes

Basic output only — 15 to 29 W 0 Votes

Struggles with most devices — Under 15 W 0 Votes

QCY PB20A Port Selection and Flexibility

How flexible is this power bank when it comes to charging ports?

Covers all modern needs — USB C and USB A with fast charge 0 Votes

Very versatile — Multiple USB C and USB A ports 0 Votes

Good variety — USB C and USB A basic support 0 Votes

Limited options — Single USB C or USB A port 0 Votes

Very restrictive — One slow USB port only 0 Votes

QCY PB20A Size and Portability

How easy is this power bank to carry around daily?

Pocket friendly and lightweight — Under 8 ounces 0 Votes

Easy to carry — 8 to 12 ounces 0 Votes

Manageable but noticeable — 12 to 18 ounces 0 Votes

Bulky for daily carry — 18 to 24 ounces 0 Votes

Too heavy to carry around — Over 24 ounces 0 Votes

QCY PB20A Build Quality and Durability

How durable does this power bank feel during regular use?

Feels extremely solid and long lasting — Over 5 years expected use 0 Votes

Very durable — 3 to 5 years expected use 0 Votes

Decent build quality — 2 to 3 years expected use 0 Votes

Feels fragile — 1 to 2 years expected use 0 Votes

Cheap and unreliable — Under 1 year expected use 0 Votes

QCY PB20A Charging Stability

How stable is the charging output from this power bank during use?

Rock solid with no drops — Voltage variation under 3 percent 0 Votes

Very stable — 3 to 5 percent variation 0 Votes

Mostly stable — 5 to 8 percent variation 0 Votes

Occasional drops — 8 to 12 percent variation 0 Votes

Unstable charging — Over 12 percent variation 0 Votes

QCY PB20A Heat and Safety Performance

How well does this power bank control heat during charging and heavy use?

Stays cool and safe — Under 95 F 0 Votes

Slightly warm but comfortable — 95 to 104 F 0 Votes

Warm but acceptable — 104 to 113 F 0 Votes

Gets quite hot — 113 to 122 F 0 Votes

Uncomfortably hot and concerning — Over 122 F 0 Votes

QCY PB20A Battery Efficiency

How efficiently does this power bank convert stored energy into usable charging power?

Highly efficient with minimal loss — Over 90 percent efficiency 0 Votes

Very efficient — 85 to 90 percent efficiency 0 Votes

Decent efficiency — 75 to 84 percent efficiency 0 Votes

Noticeable energy loss — 65 to 74 percent efficiency 0 Votes

Poor efficiency — Under 65 percent efficiency 0 Votes

QCY PB20A Travel Friendliness

How convenient is this power bank for travel and daily commuting?

Perfect for travel and flights — No airline issues 0 Votes

Very travel friendly — Easy to pack and carry 0 Votes

Fine for occasional travel — Manageable size and weight 0 Votes

Awkward to carry on trips — Bulky or heavy 0 Votes

Not suitable for travel — Restricted or impractical 0 Votes

Reviews ⁰

The good, the bad, and the brutally honest.

Average Rating

QCY

QCY PB20A

0 / 5 0 Reviews

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Highlights 103

Why is QCY PB20A better than other power banks ?

General Information

Battery & Capacity

Charging Input Performance

Power Output Performance

Charging Protocols & Compatibility

Physical Dimensions & Weight

Build Materials & Durability

Display, Indicators & Controls

Safety & Protection Features

Thermal Management & Cooling

Environmental & Efficiency

Included Accessories & Packaging

Warranty & Support

Quick Take

QCY PB20A

Specifications & Facts 141

General Information 10

QCY PB20A Color Options

QCY PB20A

QCY PB20A Operating Temperature Minimum

QCY PB20A

QCY PB20A Operating Temperature Maximum

QCY PB20A

QCY PB20A Product Type

QCY PB20A Intended Use Case

QCY PB20A Release Year

QCY PB20A Country of Origin

QCY PB20A Finish Type

QCY PB20A Rugged Design

QCY PB20A Storage Temperature Range

Battery & Capacity 14

QCY PB20A Battery Capacity

QCY PB20A

QCY PB20A Rated Capacity

QCY PB20A

QCY PB20A Energy Rating

QCY PB20A

QCY PB20A Cell Count

QCY PB20A

QCY PB20A Self-Discharge Rate

QCY PB20A

QCY PB20A Standby Power Loss

QCY PB20A

QCY PB20A Battery Cell Type

QCY PB20A Battery Chemistry

QCY PB20A Battery Voltage

QCY PB20A Battery Configuration

QCY PB20A Cycle Life Rating

QCY PB20A Battery Protection System

QCY PB20A Overcharge Protection

QCY PB20A Overdischarge Protection

Charging Input Performance 10

QCY PB20A Input Port Type

QCY PB20A

QCY PB20A Input Port Count

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QCY PB20A Maximum Input Power

QCY PB20A

QCY PB20A Charging Efficiency

QCY PB20A

QCY PB20A Charging Time

QCY PB20A

QCY PB20A Input Voltage Range

QCY PB20A Input Current Rating

QCY PB20A Fast Input Charging

QCY PB20A USB-C Input

QCY PB20A Pass-Through Charging

Power Output Performance 14

QCY PB20A Output Port Count

QCY PB20A

QCY PB20A Maximum Output Power

QCY PB20A

QCY PB20A Total Output Power

QCY PB20A

QCY PB20A Fast Charging Technology

QCY PB20A

QCY PB20A Output Port Type

QCY PB20A Simultaneous Device Charging

Highlights ¹⁰³

Specifications & Facts ¹⁴¹

General Information ¹⁰

Battery & Capacity ¹⁴

Charging Input Performance ¹⁰

Power Output Performance ¹⁴

Charging Protocols & Compatibility ¹²

Physical Dimensions & Weight ⁶

Build Materials & Durability ¹⁰

Display, Indicators & Controls ¹⁰

Safety & Protection Features ¹⁴