... Thunder Dual USB Universal Portable Power Bank for iPhone Specifications:Product name: Thunder power bank, Model: YB651Suitable for mobile phones, iPhone, iPad, ... type: external battery packInput: 5V DC, 1,000mAOutput: 1,000mA;1,500mAAccessories:1.Power bank (13,000mAh ... power pack via notebook USB port or wall adapter with USB charging cable8. Automatic recover function for your battery capacity ...