... start and run, such as digital camera, CD, MP3, 4wd cars, etc. In these fields, LiFe battery can perform 5-8 times ... better than orinary battery.Advantages, compared with alkaline battery:1 High capacity. For AA cell, up to 2700mAh, 100 ... AA3 Wide operation temperature: -40~60 for Li-Fe battery, while alkaline battery can not work under low temp and leak easily ...