*Solar panel: 5.5V70MA
*High solar energy convert efficiency : Over than 16%                                               
*Output DC5.5V   450mA
*Battery Lithium polymer
*Capacity 1350mAh
*Indication:charging and discharging state
*Discharge time:  about 2-3 hours (some different for different mobile phone)
*Protection:reverse current protection circuit integerated to prevent batteries from being dischards.
*Discharge time for the mobile phone : 2-3 hours (some different for different mobile phone)
*Charging time for the lithium polymer battery inside using the solar panel:12-14hours
*Charging time for the lithium polymer battery inside using USB charging cablel:4-5hours