... Circle:more than 500 times 4000mAh Power Bank for iphone,mobile phone,smartphone,ipod Battery Type Li ... .0,Mini USB,Micro USB,Samsung,Apple Fit for:All kinds of Mobile phone ,iphone,smartphones,Mp3 ... ,over voltage,short circuit protection.How to charge for device:1.Use standard cable or your original ... 20 minutes' disconnection. Power bank,5V4000mAh,portable power,for iphone,mobile phone,smartphone,ipod