Juicebar Palmpro Led Tube 2600mAh High Capacity Portable Battery Charger - Retail Packaging - Black Powerful 2600 mAh battery supports all popular mobile phones and electronic devices, built-in status indicator light Built in rechargeable Li-ion battery: 3.7volt -2600mAh, Output Voltage: 5V, Output current: 650 mAh, Life Cycle: 600X Charger, Connector cable, Micro USB, Mini USB and Nokia connectors (built-in USB port supports existing device USB cables)