Top iPhone Battery Extenders

The Kensington Mini Battery Extender and Charger extends your iPhone's play time up to 30 hours for music, 6 hours for video watching or 3 hours of talk time. It has a high capacity, rechargeable Lithium-Ion polymer battery pack which also increases energy efficiency. This iPhone battery extender also serves as a charger to power up your iPhone and is small enough to keep your iPhone connected to it even while on the move. And while you're using it on the go, a LED battery meter lights up to tell you how much battery juice you still have. It's definitely very useful. (Price: $35.95)

Here's a simple iPhone battery juice extender that gets the job done and provides you with longer battery life. The Satechi iCel Battery Extender is packed with 4400 mAh watt compounded interconnection battery and has battery life indicator as well. What's good about this charger and battery extender is that you can simultaneously charge it and your iPhone. If you've got other mp3 players or PDA's you can use it as well. (Price: $59.99)

The TruePower iV Pro iPhone Backup Battery does not only give you practically a whole day of usage of your iPhone but it also serves as a power charger for your other devices. It extends your iPhone's battery juice up to equivalent 3 times of charging, so you are pretty much sure to have continuous supply of power for your iPhone. What's unique about it is the fact that you can charge other devices using its built-in USB port. So if you run out of battery for your digital camera or another mobile phone, you can use it to give your other devices some more extended power. The TruePower iV Pro has a 3100 mAh of power and even comes with a built-in flash light. (Price: $99.95)

If you want extra 8 hours of battery juice for your iPhone, the MiLi Power-Pack Case and extended rechargeable battery pack can very well answer that need. And I mean 8 hours of talk time because if you don't use your iPhone for voice calls that much, this battery pack and case can give you additional 30 hours of music playback time. It also let you charge and sync your iPhone the need to remove it from the Power Pack. The battery pack employs smart battery technology which let the Battery Pack drains its power first before it switches to your iPhone's battery juice. (Price: $47.45)

I certainly saved the best for last for our list of iPhone battery extenders - the Mophie Juice Pack Air - Case and Rechargeable Battery. I never took my iPhone out of this case since I got it. The Mophie Juice Pack Air not only gives my iPhone a solid protection from bumps and bruises but it also effectively gives me additional battery juice. It's practically having two iPhone batteries in one as it doubles your iPhone's battery life. And that's enough to give me a full 24 hours of usage for my iPhone before I need to charge it up. If you don't mind giving your iPhone an extra bulk, the Mophie Juice Pack Air is the best battery extender you can possibly have. And did I mentioned that you'd love its glossy and stylish look? It even comes in black, white and red color varieties. (Price: $79.95)