MFI-approved Back-up Battery Case for iPhone 4, 4S with UL-approved, Polymer Cell Adopted

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Basic Info

Payment Type:	T/T or L/C

Product Description

Specifications:

Smart battery with lithium polymer rechargeable battery packand built-in 1,700mAh
Output voltage: 5V, 500mA (maximum)
Charging by USB micro charge
Lifespan cycle: over 500 times
Charge your iPhone 4 anytime and anywhere
Don't be worry about the power ran out outdoor as this is asecondary power for keeping your iPhone 4/4S working
Supports charging and your iPhone 4 working at the sametime
Strong case to protect iPhone 4
UL-approved
Weight: 75g
Dimensions: 120.6 x 62 x 17.6mm