Here's a progress report on the low self-discharge Ni-MH rechargeable Tenergy Centura AA batteries I got from Amazon a few months ago-- I've gotten excellent results using them in my RC transmitters and different digital cameras. They last at least as long as high quality non-chargeable batteries, and can sit dormant after being charged without losing significant charge. I've had them sitting around for up to a month after charging and they work fine. I get a dozen flights on the transmitters before recharging, and that's only for the sake of safety. I'm sure they would go a lot longer. Low self-discharge batteries, in theory, can hold up to 80% of their charge for six months and have a life cycle of up to 100 charges. I will never again use the old style Ni-MH batteries. Tenergy is not the only manufacturer, but their prices are more reasonable. Panasonic, I believe, also offer these new kinds of batteries.
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