... solar flashlight for smartphone mobile phone, backup battery Specifications:Main Function: Solar battery charger for portable electronics with LED ... : Rechargeable lithium battery - Capacity: 2600mAh - Output Voltage: 3.7v, 4.2v, 5.5v, 9v - Output Current: 400-800mAh ... Solar Panel: Monocrystalline silicon panel LED Indicators- Battery status (25 %, 50 ...