Portable Charger

[Westifire]

Just ordered this and was wondering if people have any experience with it.

Amazon.com: Energizer XP2000 Universal Rechargeable Power Pack: Cell Phones & Service

I'm hoping it can help my Droid X and my brother's 3GS last during an 9hr flight.

 

[vor]

Looks like it's only 2000mAh, you might be better off with one of the New Trent ones that sport 5000 or more

Amazon.com: New Trent super-pack IMP500 5000mAh External Battery pack for Apple iPad, iPhone 4G 4, iPhone 3G 3GS, iPod Touch (1G 2G 3G), Motorola Droid X Eris, HTC Android Phones (Evo, Incredible, G1, Nexus One), Blackberry (9630, 9700, 9550, 9800) b