Come and Check Our Branding Solutions.This power bank comes with a rechargeable lithium-ion battery with a capacity of 1500mah. It can be used as a quick booster for your smart phone dying battery so that you can stay connected. Features a key chain, easy to take. Perfect for your smartphone, mp3 and mp4 player, tablets and other portable devices. The battery can handle up to 500 charge cycles, making it a long-lasting power bank. Available capacity: 1200mah to 2600mah. Other capacity quote on request. Custome imprint is available. Pls check inventory and detailed info before placing your orders.