... MP3,MP4,PSP,NLSL,IPOD,cellphone,digital camera Feature for ipad 2 solar case charger:1. The product is aluminum alloy, noble ... LED lighting systems, night-time trip for your convenience4. Use of polysilicon solar cells, solar energy conversion rate of 17%5. ... add battery power11. Output voltage adjustable 4 file output: 3.7v 4.2v 5.5v 9.0v;for ipad 2 solar case charger for ipad 2 solar case charger