The Pisen rechargeable mobile power bank's lithium ion batteries give you 7,500mAh of backup power for your mobile phone, tablet or other digital device. Unit features charging indicator lights and includes a micro USB cable to charge the power bank. There is also a handy LED flashlight. Output is rated at 2A. This product has undergone the most rigorous testing in the industry and is SGS Q, BC (California Energy Commission), CE / IECEE and FCC VOC certified.