25742 | PB311 | UGREEN 10000mAh 20W Two-way Fast Charging Power Bank

UGREEN 10000mAh Two-Way Fast Charging Power Bank (PB311) - Black

Compact 10000mAh Portable Charger with 20W USB-C Power Delivery, 22.5W USB-A Fast Charging & Digital LED Display

Product Overview

The UGREEN 10000mAh Two-Way Fast Charging Power Bank (PB311) is a compact and lightweight portable charger designed to provide reliable backup power for smartphones, tablets, wireless earbuds, smartwatches, and other USB-powered devices. Equipped with a 10,000mAh (37Wh) lithium-polymer battery, it delivers multiple recharges while remaining compact enough to fit comfortably in a pocket or travel bag.

The power bank features a USB-C port that supports 20W USB Power Delivery (PD) for both input and output, alongside a USB-A port capable of delivering up to 22.5W fast charging for compatible devices. Both ports can also be used simultaneously, intelligently sharing power between connected devices.

A digital LED battery display provides an accurate battery percentage at a glance, while built-in intelligent safety systems protect against overcharging, overheating, overcurrent, overvoltage, and short circuits. The slim, minimalist design makes it an ideal everyday companion for commuting, travel, and emergency backup charging.

Key Features

• 10,000mAh (37Wh) battery capacity
• USB-C Power Delivery up to 20W
• USB-A fast charging up to 22.5W
• USB-C supports both input and output
• Charge two devices simultaneously
• Digital LED battery percentage display
• Intelligent two-way fast charging
• Lightweight and pocket-friendly design
• Lithium-polymer battery
• Multiple built-in safety protections
• Airline carry-on approved

Fast Two-Way Charging

The USB-C port supports 20W Power Delivery for both charging your devices and recharging the power bank itself, reducing downtime. The USB-A port delivers up to 22.5W fast charging for compatible Android smartphones and other USB-powered devices. 

Charge Two Devices Simultaneously

With one USB-C and one USB-A port, the PB311 allows you to charge two devices at the same time. When both outputs are used together, the power bank intelligently distributes power with a combined maximum output of 15W (5V/3A) to ensure stable charging. 

Clear Digital Battery Display

Unlike traditional LED indicator lights, the integrated digital display shows the exact remaining battery percentage, making it easier to monitor available power before heading out. 

Safe & Reliable Charging

The PB311 uses a high-quality lithium-polymer battery and incorporates multiple protection systems against:

• Over-charge
• Over-discharge
• Over-current
• Over-voltage
• Over-temperature
• Short circuit

These safety features help protect both the power bank and connected devices during charging. 

Specifications