+ The Mac Observer Editors' Choice Awards 2010 Winner +
+ Macworld Awards 2010 Best Hardware Nominee +

Professional High Capacity External Battery for Apple iPad/iPhone/iPod/USB
- Power your USB devices for long extended periods away from the grid!



Features
- Use your MacBook for up to 20 hours1
- Compatible with all models of Apple MacBook / MacBook Pro / MacBook Air
- Additional high power 10W (5V/2.1A max) USB port charges any USB device (e.g. iPad/iPhone/iPod) simultaneously
- High capacity 60-Watt-hour lithium ion battery (compared to MacBook Air 37Wh battery)
- Extend iPad battery life by up to additional 24 hours
- Fully recharge the iPhone up to 14 times
- Military grade lithium ion cells, rechargeable up to 1,000 times
- Built-in short circuit, overcharging and temperature protection
- Beautiful aluminum housing, color matched to complement the MacBook
- Laser engraved logo and all-white accessories
- 1 year limited warranty

What's in the box

HyperMac External Battery
12-15V DC auto/airline adapter (for connecting HyperMac to the Apple MagSafe Airline Adapter)
AC power supply 100-240V (for charging HyperMac)
Printed documentation
Based on using MacBook/MacBook Pro 13" with 63.5-watt-hour (10 hours) rated internal battery, rounded to the nearest hour. Requires MagSafe Airline Adapter (sold separately by Apple).

HyperMac External 60Wh Battery for Apple MacBook, iPad, iPhone, iPod, USB

This appears to be a better choice for those who don't need to also connect to their MacBooks:



The Mophie Juice Pack Power Station offers an extended battery for iPads, iPhones, and iPod touches.

*******This 3600mAh external battery will charge a wide range of usb based mobile devices including the iPhone and iPad as well as*most usb based smartphones out there. With completely reengineered battery and electronics, the powerstation can charge your device. $99

mophie juice pack™ powerstation - travel battery charger for iPod, iPhone, iPad and other smart phones