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Overview of AA Lithium-Ion Rechargeable Batteries AA lithium-ion (Li-ion) rechargeable batteries are an innovative option that combines the convenience of rechargeable technology with the advantages of lithium chemistry. Though less common than traditional AA battery types, they are becoming increasingly popular due to their high energy density, lightweight design, and environmental benefits. Characteristics

These batteries are rated with 1.6 volt, energy (not capacity) is marked on the cell and is around 2500mWh (The reason for using mWh instead of mAh is probably because the mAh is rather low). These batteries have been around for some time, but are not very popular, this may have to do with their … Read more

These batteries are rated with 1.2 volt, capacity is marked on the cell and is usual in the 2000mAh to 2700mAh range. According to Sanyo the battery will work down to 0°C, but with reduced capacity.The shelf life it not rated for rechargeable, but depending on type they can retain charge from a few weeks … Read more

These batteries are rated 1.5 volt, their actual capacity is seldom specified, because it varies with load.Energizer has a datasheet with specifications and their AA has about 2900mAh at 25mA load, but only about 1400mA at 500mA load.According to Energizer the Alkaline battery will work down to -18°C, but with reduced capacity.The shelf life can … Read more

These batteries are rated with 1.5 volt and has around 3000mAh.According to Energizer the battery will work down to -40°C, but with reduced capacity.The shelf life can be up to 15 years.Unloaded voltage will be around 1.8 volt.The battery weights about 15 gram. The lithium batteries compared here is lithium-iron (Li-FeS2) batteries, there does also … Read more