For the iPad, this thing is awesome: http://www.amazon.com/New-Trent-iCruiser-IMP1000-Blackberry/dp/B003ZBZ64Q/ref=sr_1_4?s=electronics&ie=UTF8&qid=1309293138&

For the iPad, this thing is awesome: http://www.amazon.com/New-Trent-iCruiser-IMP1000-Blackberry/dp/B003ZBZ64Q/ref=sr_1_4?s=electronics&ie=UTF8&qid=1309293138&sr=1-4 http://www.amazon.com/New-Trent-iCruiser-IMP1000-Blackberry/... I got one for a flight to Hong Kong. iPad ran constantly for >16 hours, and it was also handy for topping off an iPhone when batteries ran low. Well worth the cash if you travel for extended periods.