Everlasting power Station Compatible with original Apple series   1. Used as an emergency charger where no electricity available.  2. Same size, but only 5pin interface, out of any trouble from Apple.  3. Double IC protect, auto cut off when full power.  4. With indicator light remind how much power in battery.  5. When you need to charge this backup battery, just use AC charger or USB cable to connect computer.  6. Note: never charge your phone and this battery at the same time.  Specification:  1. Battery type: Lithium-ion battery  2. Dimension: 61*53*12.5MM  3. Weight: 48g  4. Capacity: 1000mAH  5. Input: 5V 500mA  6. Output: 5V 400mA max  7. Charge time: 2 hours

everlasting power station