Comes pre-charged,out of the box
Just plug it for instant power
Charge,temperature,and short circuit protection
No more bulky AC adapters and messy cords
Can be recharged up to 1000 times
Charge and powers most mobile phones or mp3,even with a dead battery
Apple Mobile battery
For iPhone 4 using
Up to 2350 mAh capacity
Using with the original charger
Protection cover design.Using the cell phone while charging.
Piano special paint process,with its distinctive feel texture.
Unique switch design,control the charging steta at any time.
Product specifications:

Capacity:2350 mAh,3.7V
Input:DC5V/1A (max)
Output:DC5V/1A (max)
Size: 220*110*20 mm