Light-weight, super-slim design to carry with your iPhone or iPod Conveniently charged via any USB ports with your existing Ipod/Iphone Cable. High-capacity, rechargeable 1000 mAh lithium-ion battery with LED arrow indicator for battery power level.
Battery Type: Lithium-ion battery
Charge time: Around 2 hours
iPhone 3G(s) 8GB/16GB
iPhone 4GB 8GB 16GB
Simply press the Arrow Button to check the Remaining Power of the Battery