Descripción
- High quality Ultra Slim External Li polymer battery Lithium-ion Power for iPhone 4 & 4S
- Portable,convenient,easy to use,high capacity
- Lightweight impact resistant and easy to grip case that adds minimal bulk to your iPhone 4s/4.
- Now you can enjoy almost double the battery backup and comprehensive protection while still maintaining the slim form factor of your iPhone 4s/4.
- External battery charger case for iPhone 4 4s
Input: 5V 1A; Output: 5V 0.5A