Celly's lithium polymer Universal Power Bank with 6600 mAh Capacity - Black
Performing and versatile Additional battery compact emergency lithium polymer battery with 6600 mAh capacity. Charging port and cable integrated both with the micro USB connector, is also equipped with double USB port, with maximum output of 2A. E 'compatible with all devices with 5V charging voltage and maximum current of 2A, such as tablets smartphones, MP3 players, Bluetooth headsets and speakerphones. It 'also provided with a utility light and 4 indicators for the residual charge.