External battery for iPhone
Slimmest design matching iPhone4s
Built in original battery
OEM offered
1 year warranty CE RoHS

Specifications
For iPhone4 external backup battery cover case
Lithium Polymer
1450mAh
High quality and reasonable price
with CE, FCC, RoHS

For iPhone4 rechargeable backup battery cover case is designed based on the orignal battery can't be changed. It can provide not only protection but also power for phone. Combination of battery pack and skin cover case

Features:
-Matching iPhone4 style design. Thin and cool
-Capacity: 1450mAh(Li-Po)built in battery, double standby time for your iPhone4.
-Strong and durable engineering material protect your iPhone4 from bumps& scratching.
-Protective IC circuit efficiently avoid short-circuit, over-charged and malfunction even under extreme conditions.
-Bracket stand, built-in folding bracket frees your hand while enjoying movies.
-4 LED indicators for battery power level.