Apple's 'Made for iPhone' certified Lithium-polymer battery technology lets aiPower
i616 to bring you an incredible extra battery power. With additional 300 hours of
Standby time, 7 hours of Talk time, 10 hours of Internet, 10 hours of Video and
40 hours of Audio playback time, you will enjoy your iPhone 4 more than ever!
Fully rechargeable and completely reliable, built-in intelligent Micro Controller
unit provides real safety with over-current protection, very-charge protection,
over-discharge protection, and short circuit protection, making it the safest way
to charge your iPhone.

The one and only iPhone 4 battery case featuring Integrated Mini USB Cable Design,
aiPower i616 lets you carry everything you need to charge and sync your iPhone 4
always with you everywhere you go. It is so convenient to use, you will forget where
you put your original iPhone USB cable!

Ultra strong, fire-proof non-slip protective material technology of aiPower i616
gives you the best protection you can have both for your iPhone 4 and your built-in
external battery without compromising its light-weight and ultra thin design.

You will experience your iPhone 4 in a way you have never before! While ergonomically
crafted aiPower i616 body form offers a better hand grip when surfing the web and
playing games, special bottom design helps enhancing audio quality by channeling
sounds better.

Don't be controlled by your battery power, be the master! Built-in LED battery status
indicator and battery check button keeps you updated on your battery status anytime
while charging switch gives you total control over your battery case and iPhone
4, letting you turn on and off the extra battery power. When it's on, aiPower i616
always uses the external battery power while charging the iPhone, keeping you alive
and connected all the time.

It simply takes one second to slide and connect your iPhone 4 into aiPower i616
and another to take it off. By letting you have the freedom to choose when to use
your continuous power supply and supreme protection, your cool battery case becomes
only cooler.