external-rechargable-backup-battery-charger-iphone-case-black

external rechargable backup battery charger iphone case black

external rechargable backup battery charger iphone case black ,Battery Type: Rechargeable Li-ion polymer battery Output: DC 5.0V, Output: 700mA max,Capacity: 1900mAh!,Guarantee: >500 times Charge time of the backup power: Around 6-8 hours Four LED lights indicates the power level remaining the case (Each light represents 25% of remaining power) The backup power case is charged by the Micro USB Port data (sync) cable or wall charger(not included) It's better not to charge the backup power while the backup power is charging your cell phone Color : Black Size: perfect design for iphone 4 4S