This Slim 4000Mah Power Bank at GEMQI give you a perfect phone charging experience from its massive 4000mah capacity. Designed to be super-thin and lightweight, this power bank can fit in your pocket or bag easily and can be carried on airplanes. Its 4000mah capacity is enough to power up a cell phone for at least 1 full charge circle. The sleek and compact portable charger comes in an array of colors, from classic white and black to passionate vibrant red and blue, suitable for people of all ages. Our Slim 4000Mah Power Bank contains a high-performing Li-polymer that outdoes the easy-explosion Li-ion battery, ensuring a much safer, faster, stabler, and reliable power charging without any power overheating. Widely compatible with most mobile phones and tablets, the Slim 4000Mah Power Banks keep your phone going when you are on a trip or at home, without tethering to a cumbersome plug socket.

2021 Factory Direct Sales Big Capacity Power Bank S-19

Lithium Polymer
Safer Battery
High-density lithium polymer battery
long-term charging without overheating
Quality guaranteed

For trips
It grants you a non-stop power supply for your trips

For camping
It grants you a non-stop power supply for your trips

For live streaming
Connect to a sound card, mobile phone for light supplement
and power up your live streaming

Handy & Lightweight
Matte process shell,anti-slip and
easy carry,no fingerprints

Light, thin，such as Comfortable feel
Powertul Power for Days

A longer battery life for your phones
tablets and other devices. Durable power on the go