This mobile phone battery comes in the size of a credit card. It is suitable for powering up iPhones, iPods, Blackberry mobile phones, HTC smartphones, etc. Simply use this efficient piece as the power supply for your phones.

• Capacity: 1800mAh.  
• Check button: to check the capacity.
• Indicator: 3 LEDs(Hi, Mid, Lo).  
• Input (mini USB): DC 4.5-6V, 480mA.  
• Output (USB-A type): DC 5V, 500mA max.
• Charging time: 4 hours for 480mA charging current.
• Battery: Li-Polymer Rechargeable.  
• Size: (L)89 x (W)60 x (D)9.6mm (3.5” x 2.36” x 0.38”).
• Weight: 88g(3.5oz).