Stay powered up with this slimline rechargeable, removable battery that works with your iPAQ Pocket PC and the Compact Flash Expansion Pack Plus (FA121A#AC3) or PC Card Expansion Pack Plus (FA120A#AC3) products. This removable battery lets you keep your Compaq iPAQ Pocket PC running longer so you don't have to hurry back to your desk to charge. Easy to install and remove, this battery can be recharged with the iPAQ Pocket PC in your desktop cradle or with the optional battery charger.
Features

Handy rechargeable, removable power
Works with your iPAQ Pocket PC and the CompactFlash Expansion Pack Plus or PC Card Expansion Pack Plus products
Easy to install and remove
Recharge with your iPAQ Pocket PC desktop cradle (not included, please purchase separately) or with the battery charger (not included, please purchase separately)
Increase your iPAQ Pocket PC battery life by 135% to 150% using this battery on your PC Card or CF Card Expansion Pack Plus
Compatibility: iPAQ 3600, 3700, 3800, 3900, 5400, and 5500 series