Which batteries are best for wireless devices?

MissAnthrope recently asked a question about rechargeable batteries, and there were some great responses there. You might want to check out the brand she was talking about.

For our Xbox controllers, we use a Nyko charger base with the rechargeable battery packs. We’ve had it since Christmas and so far it’s done really well.

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.