ExpertPower Power Bank Portable Charger for Cell Phones/Tablets | Apple & Android Compatible | 13000mAh Brand New | Li-Polymer cell | 13000 mAh 2 USB Outputs (2.1v & 1.5v) , One Input Compact design, super portable, easy to hold in your hand and put anywhere your want, e.g. a pocket or bag. 30 Days Money Back / 90 Days Manufacturers warranty