Replace your HP Compaq iPAQ 3600 Series Battery or Keep an Extra Battery on hand as a backup. This is a Super High Capacity 1200 mAh, Lithium-Polymer Battery that offers up to 40% more up time than your original.  Works in your HP Compaq iPaq 3600 Series unit.  Simple, Easy and Inexpensive!  You get a New Battery AND You also get a full ONE YEAR Money Back Guarantee exclusively when you purchase from us.

• 1200 mAh External Battery for HP/Compaq iPaq 3600 Series.