ExpertPower Power Bank Portable Charger for Cell Phones/Tablets | 5800mAh(Black) Brand New | Li-Polymer cell | 5800mAh 4 USB Outputs (2.1v & 1.5v) , One Input Five LED Status Indicator Lights Compact design, super portable, easy to hold in your hand and put anywhere your want, e.g. a pocket or bag. 32 Days Money Back / 90 Days Manufacturers warranty