Everyone would love to have their mobile phone battery last a bit longer, and well if you are an owner of the Palm Pre smartphone, you may well be getting more battery life as prethinking takes a look at the Amzer extended life batteries for the Palm Pre.

Amzer has just announced two new batteries for the Palm Pre, the 2800mAh and the 3800mAh and will deliver a lot more juice than the Palm Pre 1150mAh battery, but will also bulk you Palm Pre out a fair bit.

But if you don’t mind having a Palm Pre that looks like a plastic brick the Amzer 2800mAh will cost you $89.95 while the bulkier 3800mAh will set you back $129.95.