How do I choose rechargeable batteries- what does 2300 mAh NIMH mean?

Answer mAh is a rating of how much energy the batteries can hold (how big the gas tank is, to use a car analogy).mAh stands for milliamp hours. If the rating is 2700 mAh, then you can draw 100 milliamps ... Read More »

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Are nimh rechargeable batteries interchangeable with nicd rechargeable batteries?

Yes, NiMH and NiCd batteries are generally interchangeable, and are interchangeable with traditional alkaline batteries. Simply replace the battery with the appropriate size, AAA, AA, and so on. N... Read More »

How long do you charge AA batteries on a Duracell NiMh charger AA batteries?

Is it possible to replace rechargeable stinger flashlight batteries with regular batteries?

According to Streamlight, the manufacturer of Stinger flashlights, you cannot put regular batteries in a Stinger flashlight. Each flashlight comes with a specific type of rechargeable batteries tha... Read More »

Are rechargeable Li-ion batteries *greener* than disposable alkaline batteries?

Neither battery has any really bad stuff in it. The Li-Ion is greener because you need fewer batteries over time and thus use less resources. The only rechargeable battery that's nasty is the NiC... Read More »