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Old Jan 27th, 2015, 02:57 PM   #21
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Interesting. I've been using Duracell from Costco and they dont hold well charge. I replaced them with Energizers and have been running great in my Logitech mx900 bluetooth mouse for over a year now
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Old Jan 27th, 2015, 05:22 PM   #22
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These are the pre-charged variety and after five years of mostly light use they continue to hold their charge extremely well. As I said depending on use 2-4 months between charges.

The regular Energizer NiMH-AAs that I started out using were pretty much toast after a year and even after 6 months would only hold their charge for about a week, even if I did not use the camera at all.
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Old Jan 27th, 2015, 06:08 PM   #23
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Sanyo pioneered the pre-charged NiMH several years ago with their Eneloop branded version of rechargeable batteries. These had a lower 2,000mAh rating for AA batteries, but this allowed them to hold the charge for a year or more, and also be free of the "memory effect". These were a godsend, since you could leave the batteries in your device for a long time without worrying they'd be dead after a couple of weeks.

The only disadvantage was the lower mAh rating. Some of the other rechargeables would get up to 2,600mAh, or more, so they'd last longer if they were constantly under load. An example would be a video camera where you were shooting for long stretches, and an extra 10 or 20 minutes before changing batteries would be a big advantage.

Nowadays, just about every manufacturer makes pre-charged versions. They all work the same way. You get a lower mAh rating, but long storage life. Keep an eye on the mAh rating though. I've seen some cheapy pre-charged batteries at dollar store type places, but the mAh rating is really low. Some are less than 1,000mAh for an AA battery. That's less than half the mAh rating of the better pre-charged versions. They'll last a long time in storage, but not very long in use. As always, you get what you pay for.
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Old Jan 27th, 2015, 06:33 PM   #24
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Good to know Rob, thanks.
We been using the Eneloop at the office for two years now; so far so good...

I just bought a LOT of the Eneloop from DELL (very inexpensive if you have a lot of children's toys :-) )
Dell

edit: they were $21.99 per 8 in December

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Old Jan 27th, 2015, 07:18 PM   #25
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I was surprised to see the Panasonic name on the Eneloop pic you linked to, Dave.

It turns out that Panasonic bought Sanyo in 2013.

Here's a history of Eneloop batteries from Wikipedia Eneloop - Wikipedia, the free encyclopedia

I only buy pre-charged type rechargeables now. It's the only way to go. I've bought Eneloop, Duracell, President's Choice, Rayovac, and Energizer pre-charged NiMH batteries, and they're all good. Shop on price, but make sure you check the mAh rating. If the mAh rating isn't marked, then it's probably poor.
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Old Jan 27th, 2015, 07:42 PM   #26
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The better pre-charged NiMH batteries are rated at about 2,000mAh (or more) for "AA", or about 800mAh (or more) for "AAA".

If you can find a pack of 4 for $10 or less, you've got a really good deal. Costco.ca shows a pack of 16 "AA" for $54 (about $13.5 for 4). This should give you some idea of pricing at the low end.

I tend to wait to find a good deal, and then buy a bunch.
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Old Jan 28th, 2015, 12:34 PM   #27
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Quote:
Originally Posted by SINC View Post
I can unplug the charger unit and use them until they run down. My problem now is the replacement set I have, lose their charge by the time I need them to swap into the grinder. My hope is that the Ray-O-Vacs will hold from your experience.
My two sets are still going strong, a great buy and good batteries.
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Old Mar 26th, 2017, 06:33 PM   #28
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The original 4 are still going strong, at least 2 months per charge, and that is on 6 or 7 year old batteries.

I believe they were 1350 MAH variety but that is quite adequate with the Kodak camera.

Thankfully they are still available at Lowe's for sure. Have not seen them at Walmart in the last year or two, probably because they hold up so well.
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Old Mar 26th, 2017, 09:29 PM   #29
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I still have my bucket of apple batteries - which are AAs - 4 years later and still charing .. i hear they are actually eneloop rebranded as Apple..
BTW - ikea has rechargeable batteries as well
LADDA Rechargeable battery - IKEA
they usually have in store deals on multi packs..
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