Which batteries are best for wireless devices?
Specifically, a wireless mouse and a wireless XBox controller, both use AA batteries, and a whole lot of them. :/
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Li+ ion batteries are best for such applications where you burn through alkaline batteries. If the AA batteries you have been using were not alkaline that may be your problem.
I have had the best luck with NiMH batteries in those devices. Unlike alkalines, they give a fairly constant voltage throughout their cycle instead of gradually weakening, unlike cheap NiCads, they are not hurt if you throw them on the charger with half a charge remaining (no “memory effect”), and unlike LiON batteries, they don’t cost an arm and a leg.
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