AA batteries are one of the most common kinds of batteries a consumer uses. Everything from remote controls to flashlights uses AA batteries. A host of different chemistries are available from standard alkalines to nickle oxy hydroxide. It is important to know your chemistries and be sure to not mix and match different chemistries in your devices so you can get the full power out of your batteries.
Here is a list of the most common chemistries for AA batteries and their main properties:
Alkaline - Standard type, non-rechargable
Lithium - For high powered devices, non-rechargeable
NiCD - Low powered, rechargable
Nickle Oxy Hydroxide - Longer lasting than alkalines, non-rechargeable
NiMH - High powered, rechargable
Ready to Use Low Self-discharge - Can be charged and left on shelf for 6 months and still keep 80% of its charge and can be used initially right out of the packaging, rechargable
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