... 5-8 times better than orinary battery.Advantages, compared with alkaline battery:1 High capacity. For AA cell, up to 2700mAh, 100% higher ... AA3 Wide operation temperature: -40~60 for Li-Fe battery, while alkaline battery can not work under low temp and leak easily ... for charger supply powerEspecially suitable for digital cameras, mobile mouse or keyboard, GPS and high-speed toy cars, toy planes and ...