The UGREEN PB312 25683 power bank packs a massive 20000mAh capacity, giving you the freedom to charge your devices multiple times over without hunting for a wall outlet. Its two-way 20W USB-C PD fast charging rapidly powers up both the bank itself and your compatible smartphone or tablet, while dual USB-A ports let you top up two devices simultaneously.
Engineered with comprehensive safety protections against overcharge, overheating, and short circuits, this compact 5.8 x 2.8 x 1.1 inch companion travels easily in any bag. Whether you are commuting, traveling, or working remotely, it delivers reliable, high-speed power exactly when you need it.
Overcharge, Over-discharge, Overcurrent, Over-power, Overvoltage, Over-temperature, Short-circuit, Electromagnetic field protection
Product Dimensions
5.8 x 2.8 x 1.1 in (147 x 72 x 27 mm)
Product Type
Portable Power Bank
Highlights
High-Capacity Battery:
20000mAh capacity (2x10000mAh cells), delivering up to 12500mAh output capacity at 5V/3A. Ideal for multiple full charges of smartphones and other devices.
Fast Charging Capability:
USB-C Port (Input/Output): Supports 20W PD fast charging, enabling faster recharging of the power bank and devices.
USB-A Ports (Output): Dual ports deliver up to 22.5W, ensuring fast charging for devices like smartphones, tablets, and more.
Dual-Device Charging:
Charge up to two devices simultaneously without compromising on speed or efficiency.
Safety Features:
Equipped with overcharge, over-discharge, overcurrent, over-power, overvoltage, over-temperature, short-circuit, and electromagnetic field protection.
Compact and Travel-Friendly Design:
Measuring 147 x 72 x 27 mm, this portable power bank fits into a bag or pocket, suitable for travel and everyday use.
Efficient Recharge:
Fully recharges in approximately 6 hours with a 20W PD charger.
Compatibility
Compatible with smartphones, tablets, and other USB-powered devices. Supports fast charging for iPhones (USB-C PD), Samsung Galaxy devices, Google Pixel, and other USB-C or USB-A powered electronics.
What's included
UGREEN PB312 20000mAh Power Bank
USB-A to USB-C Charging Cable
User Manual
Frequently asked questions
How long does it take to fully charge the UGREEN PB312 power bank?
It takes approximately 6 hours to fully recharge the power bank when using a 20W PD USB-C charger (charger not included).
Can this power bank charge two devices at the same time?
Yes, the PB312 supports dual-device charging. You can use the USB-C port and one of the USB-A ports simultaneously to charge two devices without compromising speed.
What safety protections are built into this power bank?
It features comprehensive safety protections including overcharge, over-discharge, overcurrent, over-power, overvoltage, over-temperature, short-circuit, and electromagnetic field protection.
What is the actual output capacity for charging my phone?
The rated output capacity is 12500mAh at 5V/3A. The effective capacity varies by voltage: 7000mAh at 9V/2.22A, 5100mAh at 12V/1.67A, and 6400mAh at 10V/2.25A Max.