Extended Battery for Palm M550, TUNGSTEN T1, TUNGSTEN T2, TUNGSTEN T3, Zire 31, Zire 71, Zire 72, Z

• Capacity: 1100mAh
• Brand New
• Replacement Battery

works fine in my zire 31 palm thingy. of course you have to carefully take the thing apart and do some soldering to get it in there, but at least it works now that it's in