... shenzhen portable power bank Backup battery for different mobile phone For ipad/iphone portable power battery 4300mAH Parameter:Capacity:4300mAHReated ... be reuse more than 500 times;4,smart controller,Microcomputer intelligent monitorthe power bank electric quantity,LED ... ion battery,Standby time for mobile phone :30 days .Durable, Can be reuse more than 500 times; smart controller,Microcomputer ...