All batteries, whatever their chemical composition, deteriorate over time, although recent improvements in battery technology and the introduction of lithium batteries have eradicated many of the problems associated with cell phone batteries. Here we highly recomend this 6600mAh portable backup battery case for iPhone/SAMSUNG P1000 /iPad.This cell phone battery is great for people who has busy calls, who need longer talking time, and who go without an access to an external charging alternative. This cell phone battery case has an integrated microchip which can prevent overcharging and lengthen battery life. Featured with high technology, this portable battery mobile power station conserves power while efficiently and conveniently running your phones. Packing with 9 kinds of chargeable connectors, this cell phone battery is compatible with iPhone/Samsung P1000 /iPad. Besides, the 6600mAh portable battery will last for a long time. With this charger battery, you can always talk & text as long as you need. The replacement rechargeable battery is small enough to carry anywhere, making it ideal for the mobile professional or casual users.Widely used and high quality made, this cell phone battery is great for travelling use! A great accessory you should have! Do not miss it! You will not regret!
Other Thoughts:Very satisfied, tired of looking for odd sized batteries for my phone. Now I don't have to. I bought enough to last for both mine and my husband's phone. Thanks so much for Cell Phone Battery!