UGREEN NEXODE POWER SERIES
UGREEN PB537 20000mAh 55W CCC Fast Charging Power Bank (95178B)
High-capacity portable power with 55W Xiaomi HyperCharge, 45W PD fast charging, a built-in USB-C cable and three charging connections.
Fast Charging. Built-in Convenience.
The UGREEN PB537 20000mAh Power Bank is designed for users who need reliable portable charging for smartphones, tablets and compatible USB-C devices. Its high-capacity battery delivers substantial backup power, while its advanced fast-charging technology supports up to 55W Xiaomi HyperCharge for compatible smartphones.
With an integrated USB-C cable, an additional USB-C port and a USB-A port, the PB537 offers three convenient charging connections. Its built-in digital display helps you monitor the remaining battery level, while CCC certification adds an important layer of product safety compliance.
Key Features
20000mAh High Capacity
Large 74Wh battery capacity for extended portable power during everyday use and travel.
55W Xiaomi HyperCharge
Up to 55W fast charging for compatible Xiaomi smartphones supporting the required charging protocol.
45W PD 3.0 Fast Charging
USB-C Power Delivery charging for compatible smartphones, tablets and selected lightweight laptops.
Built-in USB-C Cable
Integrated cable supports charging your devices and recharging the power bank without carrying an extra cable.
Three Charging Connections
Built-in USB-C cable, additional USB-C port and USB-A port for flexible connectivity.
Digital LED Display
Monitor the remaining battery percentage conveniently with the integrated digital display.
45W Fast Recharging
Recharge the power bank with up to 45W USB-C Power Delivery input.
CCC Safety Certification
CCC-certified design with multiple electronic protection features.
20000mAh High-Capacity Battery
Equipped with a 20000mAh lithium-polymer battery and 74Wh energy capacity, the UGREEN PB537 provides dependable portable power for busy days, commuting and travel.
Its substantial capacity makes it suitable for charging smartphones multiple times, powering tablets and providing backup power for compatible USB-C devices when a wall charger is not available.
Actual usable capacity depends on conversion efficiency, charging voltage, connected devices and operating conditions. The advertised 20000mAh is the internal cell capacity.
55W Xiaomi HyperCharge Technology
55W Max
Xiaomi HyperCharge fast charging for compatible Xiaomi smartphones.
The PB537 supports up to 55W output using Xiaomi's compatible fast-charging protocol. This allows supported Xiaomi devices to benefit from faster portable charging without depending on a wall charger.
It is particularly useful for users of compatible Xiaomi smartphones who want to maintain fast charging while travelling, commuting or working away from a power outlet.
The 55W maximum is protocol-dependent and requires a compatible Xiaomi device. It is not a universal USB-C PD 55W rating.
45W USB-C PD 3.0 Fast Charging
45W PD 3.0
Fast USB-C charging for compatible devices.
For devices that use standard USB Power Delivery, the PB537 supports up to 45W PD 3.0 output. This provides fast charging for compatible Android smartphones, iPhones, tablets and selected USB-C laptops.
Devices requiring more than 45W may charge at a reduced speed or may not receive sufficient power while operating.
Built-in USB-C Cable – No Extra Cable Needed
The integrated USB-C cable makes everyday charging more convenient. Simply use the attached cable to charge compatible devices without carrying a separate USB-C cable.
The built-in cable also supports input charging, allowing you to recharge the power bank using the same integrated connection. It supports up to 45W input and up to 55W maximum output with compatible charging protocols.
Three Charging Connections
The PB537 provides three charging connections for flexible everyday use:
Built-in USB-C Cable
Up to 55W output and 45W input.
USB-C Port
Up to 55W output and 45W input, protocol-dependent.
USB-A Port
Up to 22.5W fast-charging output.
Charge smartphones, tablets and other compatible USB-powered accessories using the available connections. Actual output allocation depends on the connected devices and charging protocols.
Maximum port ratings are individual ratings. Do not assume all three ports can deliver their maximum output simultaneously.
45W Fast Self-Recharging
The UGREEN PB537 supports up to 45W USB-C input, helping reduce downtime when recharging its 20000mAh battery.
Approximately 4 Hours
Approximate full recharge time when using a compatible 45W or higher power adapter under suitable conditions.
Digital LED Battery Display
The integrated digital display shows the remaining battery percentage, helping you monitor available power and know when it is time to recharge.
CCC Certified Safety Design
The PB537 carries China Compulsory Certification (CCC), a product safety certification applicable to relevant products sold in China. Its protection system is designed to help safeguard the power bank and connected devices during charging.
- Overcurrent protection
- Overvoltage protection
- Short-circuit protection
- Overheating protection
Compact Design for Everyday Carry
Despite its large 20000mAh capacity, the UGREEN PB537 maintains a practical portable form factor. Measuring approximately 152 × 71 × 29.8mm and weighing around 470g, it is convenient to carry in a backpack or travel bag.
Technical Specifications
| Brand | UGREEN |
| Series | Nexode |
| Model | PB537 |
| Product Code / SKU | 95178B |
| Battery Capacity | 20000mAh |
| Battery Energy | 74Wh (7.4V) |
| Battery Type | Lithium Polymer |
| Maximum Output | 55W (protocol-dependent) |
| USB-C Input / Built-in Cable Input | 5V/3A, 9V/3A, 12V/3A, 15V/3A (45W Max) |
| USB-C Output / Built-in Cable Output | Up to 55W with compatible Xiaomi HyperCharge; up to 45W PD |
| USB-A Output | 5V/3A, 9V/2A, 12V/1.5A, 10V/2.25A (22.5W Max) |
| Output Connections | 1 × Built-in USB-C Cable, 1 × USB-C Port, 1 × USB-A Port |
| Fast Charging Protocols | PD 3.0, PD 2.0, PPS, QC 3.0, QC 2.0, Xiaomi 55W, SCP, FCP and AFC (port-dependent) |
| Self-Recharging Time | Approximately 4 Hours with 45W+ Adapter |
| Display | Digital LED Battery Percentage Display |
| Safety Certification | CCC |
| Housing | PC + ABS |
| Dimensions | 152 × 71 × 29.8mm |
| Weight | Approximately 470g |
| Colour | Space Grey (verify actual stock colour) |
Compatible Devices
- Compatible Xiaomi smartphones supporting 55W HyperCharge
- Other compatible Xiaomi and Android smartphones
- iPhone models supporting USB-C or compatible wired charging
- iPads and other compatible tablets
- Selected USB-C laptops requiring up to 45W PD charging
- Wireless earbuds, smartwatches and other USB-powered accessories
Important Compatibility & Travel Information
- 55W Xiaomi HyperCharge requires a compatible Xiaomi device and supported charging protocol.
- Standard USB-C PD output is up to 45W, not universal 55W PD.
- USB-A output is up to 22.5W with compatible fast-charging devices.
- Maximum individual port ratings are not guaranteed simultaneously.
- The 74Wh battery is below the commonly used 100Wh airline threshold. Carry it in cabin baggage, not checked luggage, and follow current airline rules.
- CCC certification does not replace individual airline approval or baggage policies.
Fast Charging Without the Extra Cable
Enjoy 20000mAh portable power, 55W Xiaomi HyperCharge and convenient built-in USB-C charging with the UGREEN PB537.
Available at ChittagongGadget.com
