... 4)for different mobile phones 5)OEM portable solar charger for iphone 4sTHis solar charger set use sunglight as an eco- ... environment.Operation InstructionThere are 2 ways to charge your solar charger.A.Put the charger under the sunshine, the ... used to charger formobilephone, MP3, MP4, Camera, etc.solar energy transfer efficiency>20%solar cells5.5v 50MAOutput parameters5.5v 400-1000MABattery typeLi ...