1.Solar panel:5.5 V,360 mA
2.Solar conversion efficiency above 16.5%
3.Built-in battery(Li-Polymer battery):1800 mAh

1,Intellectual charging function  precharge,constant current charge,constant voltage charge,equalization charge to lengthen the lifespan of battery.
2,Temperature compensation ,heat-regulation and TSD functions.
3,PWM control the constant voltage.
4,Auto protection function   overcharge,over discharge,overload,reverse connection,short-cercuit will be protected ; lighting protection and built-in battery can be repaired automatically. 
5,Humanility design    low battery alarm and automatic shutdown.It appears double-color instruction when is charged under sunlight. Charging status are clear at a glance.
6,Three gears voltage regulation and apply to different digital products.
7,LED indication for batteries .
8,Suitable for mobile phone ,digital camera ,PDA,Mp3,Mp4, IPOD,DV etc digital products.
9,Charging time(with proper AC adapter)  2~3 hours
10,Working time(battery is full)   3~5 hours