If you own the HTC Thunderbolt you may be one of those that is experiencing battery life problems, some of you are only getting around 3 to 4 hours life after a full charge. The obvious answer is to get a new Seidio Innocell 1600mAh slim extended battery, which also fits the myTouch 4G.

The Seidio Innocell 1600mAh slim extended battery is for those that wishes to have more battery life, the good thing about this HTC Thunderbolt battery is that it will still keep the smartphone in the slim category.

This extended battery does NOT need a replacement door and this is why it is perfect as a replacement, main features include: Fits in existing space so no replacement door is needed, More capacity in the same form factor, Perfect replacement for your original battery and works with both HTC Thunderbolt and myTouch 4G.

If you visit the Android Central Store you can buy the “Seidio Innocell 1600mAh Slim Extended Battery” for only $44.95, the list price is normally $49.95, which is a nice saving of $5.00. You may also want to check out the HTC Thunderbolt 2750mAh Extended Battery & Cover here.