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I have two digital cameras that use AA batteries, a small point and shoot that uses two and a larger one that uses four. I found that alkaline batteries just did not last very long so I started using NiMH batteries. When they no longer held enough charge to power the cameras I used them in maglights and the battery powered fluorescent lights I have in my tool shed, when they could no longer hold enough charge to run the lights I started to use them in portable radios and TV remotes. I have had the oldest batteries for almost ten years and have not bought an alkaline AA battery in years.
I never had much luck with NiCd batteries but the NiMH batteries are much better. Some brands are better than others be sure to check the mAh ratings which can range from 1300mAh to 2650mAh.
All rechargeable batteries eventually will not hold a charge. It's just a chemical reality. NiCd batteries are essentially outlawed in most countries (not in the US -- yet) due to the fact that cadmium is a potent toxin and environmentally hazardous. They're also some pretty crappy rechargeable batteries by today's standards. NiMH and, especially, Li-Ion are far better. They are both readily available in your average home improvement and electronics stores. My personal preference is to just order them from Amazon.
Growing up we had some rechargeable aa's, probably made in the late 80's. I didn't pay much attention to the specs but they sucked, wouldn't hold a charge very long.
Lately I've found you can get them shipped from China dirt cheap on ebay, I just got 8 ni-mh 1800mAh aaa's for I $2.79 shipped, they don't have a brand name but the quality seems to be good so far. I wouldn't be surprised if they came from the same factory as some name brand with different stickers on them.
To the OP, why would a rational person suggest a decline in rechargeable batteries. Their applications are growing exponentially.
Agreed. And just look at this thread, about plans to build a huge rechargeable battery factory with more capacity than all the existing factories combined. That's how big an increase is anticipated!
I use a rechargeable AAA for my razor, once you've tried it you won't go back...!
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