Usage: Used for charging of almost all digital products such as MP3, PDA, Mobile phone, digital camera, etc.

Build-in lithium battery: 3.7V/2000mAH

Solar panel: 5.5V/200mA

Output voltage: 4.5V-9V, 180mA-1A

Others: 2 USB port  & charged by car

Product dimension: 12.5 * 81 * 24 mm