The Pisen Portable Power rechargeable mobile power bank's lithium polymer batteries give you 10,000mAh of backup power for your mobile phone, tablet or other digital device. Unit features charging indicator lights and includes a USB cable to charge the power bank. 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.