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Eneloop Rechargeable Battery Gone Bad
Old 12-25-2017, 08:51 PM   #1
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Eneloop Rechargeable Battery Gone Bad

I know here eneloop rechargeable batteries are pretty much considered the gold standard for rechargeable AAA batteries.

But I have one that my Panasonic BQ-CC17 Ni-MH charger spots as bad with a blinking green led light. Just wondering if that's a common thing or not with eneloop batteries going bad in time.

I also have a La Crosse charger that can check the battery capacity. Ran a test and charger showed about 680mAh. Battery listed as min 750mAh, so I don't think the battery is that bad.

I'm going us the La Crosse to try a battery refresh anyhow to see if I can get the mAh any closer to 750mAh.
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Old 12-25-2017, 10:53 PM   #2
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They are the gold standard as they are the best at this time for holding a charge... that does not mean it is not a real battery and can go bad...

I opened up a flashlight the other day and had an Energizer that was leaking badly... it was not that old, and it was not stored outside... just something that happens to batteries...

As for me, I have never had an eneloop go bad... but a refresh might fix the problem...
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Old 12-25-2017, 11:06 PM   #3
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They are the gold standard as they are the best at this time for holding a charge... that does not mean it is not a real battery and can go bad...

I opened up a flashlight the other day and had an Energizer that was leaking badly... it was not that old, and it was not stored outside... just something that happens to batteries...

As for me, I have never had an eneloop go bad... but a refresh might fix the problem...
I'm trying a refresh. May not finish refreshing until a few days. Was the Energizer a rechargeable?

At least if the Panasonic charger rejects the battery, I can always pop the battery in the La Crosse and recharge that way.
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Old 12-25-2017, 11:36 PM   #4
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Originally Posted by easysurfer View Post
I know here eneloop rechargeable batteries are pretty much considered the gold standard for rechargeable AAA batteries.
But I have one that my Panasonic BQ-CC17 Ni-MH charger spots as bad with a blinking green led light. Just wondering if that's a common thing or not with eneloop batteries going bad in time.
I have had one or two Eneloop rechargeable batteries fail the same way. The charger blinked and it would not take a charge. Not a bad record considering how many times I've recharged the couple dozen eneloops I have. Still better than an alkaline you just throw away when it's discharged.
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Old 12-26-2017, 04:55 AM   #5
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I have had one or two Eneloop rechargeable batteries fail the same way. The charger blinked and it would not take a charge. Not a bad record considering how many times I've recharged the couple dozen eneloops I have. Still better than an alkaline you just throw away when it's discharged.
I just bought a bunch of AC Delco AAA and AA alkaline batteries at Menards a few days ago. Six 30-packs each, 360 batteries total. 1.99 a 30-pack. That's about 0.06 each.

When the alkaline batteries get bad, I toss them in the regular trash, just like the Eco cops recommend.

I also have some rechargeable that seem to discharge just sitting in my battery box after about 6-months.

Do rechargeable batteries really make sense? I have seen some alkaline battery re-chargers too.
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Old 12-26-2017, 04:58 AM   #6
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Iíve had 4 aaa eneloop batteries go bad. All were less than a year old. Strangely, I canít find any information on warranty.
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Old 12-26-2017, 05:22 AM   #7
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i had one fail out of 16 in a 5 or year period. i actually had those little white eneloop chargers go bad quite a few times . i use a much better charger for them now .
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Old 12-26-2017, 05:29 AM   #8
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I just bought a bunch of AC Delco AAA and AA alkaline batteries at Menards a few days ago. Six 30-packs each, 360 batteries total. 1.99 a 30-pack. That's about 0.06 each.

When the alkaline batteries get bad, I toss them in the regular trash, just like the Eco cops recommend.

I also have some rechargeable that seem to discharge just sitting in my battery box after about 6-months.

Do rechargeable batteries really make sense? I have seen some alkaline battery re-chargers too.
When I saw this thread I went online an read a couple of articles comparing cost. (Otherwise, I know nothing about this topic.) From the articles I read, it seems that high use devices, the example used was the kids WII controllers, appear to make sense for rechargeables. But for devices that have low usage, the standard batteries are more cost effective. From the articles, it looks like the cost threshold is somewhere around 3-6 months battery life is where the rechargeables can be cost effective. If your device does not need batteries replaced that frequently, stick with standard. But, the articles mentioned that many use rechargeables to reduce waste and not solely for cost.

The articles did not use your sale price for standard batteries. IMHO, it would be hard to beat .06 per battery.
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Old 12-26-2017, 06:43 AM   #9
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I use eneloops in everything except the grandkids toys and our smoke detectors,(use Duracell procell in the detectors).

Use the little white eneloop charger and haven't experienced any failures to date. Probably going on about 7-8 years now. Half were Gen 3 and half are Gen 4 versions. That's only about 18 eneloops total however.
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Old 12-26-2017, 08:25 AM   #10
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i had one fail out of 16 in a 5 or year period. i actually had those little white eneloop chargers go bad quite a few times . i use a much better charger for them now .
When the little white eneloop chargers went bad, what were the symptoms? False positives identifying defective batteries?

I'm wondering now if the problem I'm having is with the batteries or the white eneloop charger.

Recently the charger identified a battery (non eneloop) as bad with the blinking green LED but not during the end of the charging instead of the beginning. I tested the battery at it was charged.

I can still charge a battery that's spotted by the eneloop charger as defective. But don't want to fiddle around with the eneloop charger if there are too many false positives.
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Old 12-26-2017, 08:28 AM   #11
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they smelled burned and no longer charged .
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Old 12-26-2017, 08:33 AM   #12
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Originally Posted by easysurfer View Post
I'm trying a refresh. May not finish refreshing until a few days. Was the Energizer a rechargeable?

At least if the Panasonic charger rejects the battery, I can always pop the battery in the La Crosse and recharge that way.
Nope, alkaline...

I do not have a Panasonic charger... have a couple of good ones, one being a La Crosse that does the refresh..


We now do not use that many rechargeables as they are mostly for lights etc. when we (meaning DW and kids) go camping or we rent a cabin at the lake... I use alkaline in most items.... OH, one that I do not is the camera... seems alkalines do not last long at all... but we have a big SLR and it has its own battery and DW uses her Iphone....
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Old 12-26-2017, 08:52 AM   #13
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I have 50-75 Eneloop batteries and had 1 or 2 go bad in 8-10 years .

Have experienced a few not charging in selected chargers, but swapping out for a different charger has worked.
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Old 12-26-2017, 09:27 AM   #14
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I just bought a bunch of AC Delco AAA and AA alkaline batteries at Menards a few days ago. Six 30-packs each, 360 batteries total. 1.99 a 30-pack. That's about 0.06 each.

When the alkaline batteries get bad, I toss them in the regular trash, just like the Eco cops recommend.

I also have some rechargeable that seem to discharge just sitting in my battery box after about 6-months.

Do rechargeable batteries really make sense? I have seen some alkaline battery re-chargers too.
Over the last 50 years I have had dozens of remotes and other devices ruined by leaking batteries. I just found a leaking battery in my Sears Multi-timer. I think I saved it after cleaning it for 15 minutes. Have you considered what happens to your batteries after they have been in the land fill for a few years?
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Old 12-26-2017, 09:35 AM   #15
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I have seen some alkaline battery re-chargers too.
My engineer BIL spent 25+ years working for Eveready. He says alkaline battery rechargers are at best a waste of money and at worst a disaster waiting to happen.
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Old 12-26-2017, 09:35 AM   #16
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they smelled burned and no longer charged .
Those are good enough symptoms .
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Old 12-26-2017, 09:50 AM   #17
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I just bought a bunch of AC Delco AAA and AA alkaline batteries at Menards a few days ago. Six 30-packs each, 360 batteries total. 1.99 a 30-pack. That's about 0.06 each.

When the alkaline batteries get bad, I toss them in the regular trash, just like the Eco cops recommend.

I also have some rechargeable that seem to discharge just sitting in my battery box after about 6-months.

Do rechargeable batteries really make sense? I have seen some alkaline battery re-chargers too.
I originally switched to rechargeables because I didn't like the idea of throwing away so many batteries. Especially in high use devices like our remote controls, that seemed very wasteful and not good for the environment.

I started out with the old NiCad style batteries, but they would lose power just sitting in the drawer. They were often dead by the time I needed them. I switched to Eneloop rechargeables and the batteries are usually still charged up even after a year sitting in my drawer. I'm sure they loose a bit of power over time too, but it's not enough to matter.

Another bonus is storage. A dozen or so Eneloops will last me many years. Most are in use in devices, then I keep 4 AA and 4 AAA's charged up in my drawer that I can swap out when batteries die in a device. Then I recharge those and put them in the drawer for next time. Storing 8 batteries in the drawer is a lot easier than storing 360 batteries that will just get thrown out.

I still use standard alkaline C and D cell batteries since they aren't available in Eneloop format (they make adapters to use AA's, but they don't have the same power output as the larger batteries). I also use standard 9V batteries in the smoke alarms, stud finder, and metal detector. I would gladly switch to Eneloop rechargeables if they were available in C, D, and 9V formats.
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Old 12-26-2017, 09:56 AM   #18
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Nope, alkaline...

I do not have a Panasonic charger... have a couple of good ones, one being a La Crosse that does the refresh..


We now do not use that many rechargeables as they are mostly for lights etc. when we (meaning DW and kids) go camping or we rent a cabin at the lake... I use alkaline in most items.... OH, one that I do not is the camera... seems alkalines do not last long at all... but we have a big SLR and it has its own battery and DW uses her Iphone....
I've gone the opposite route and around a couple years ago, went on an eneloop AA and AAA batteries buying binge and almost everything I use has low discharge rechargeables.

I have a fever thermometer that requires 1.5v AA size batteries. Regular rechargeables don't work as they are about 1.2v. But I got some lithium AA sized USB rechargeables, so no need for alkaline.

Quote:
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Over the last 50 years I have had dozens of remotes and other devices ruined by leaking batteries. I just found a leaking battery in my Sears Multi-timer. I think I saved it after cleaning it for 15 minutes. Have you considered what happens to your batteries after they have been in the land fill for a few years?
Leaking is one reason I switched mostly away from alkalines and gone to low discharge rechargables. Pay now or pay later philosophy. I might use an alkaline in a cheap clock as I don't think there's much chance of leaking as that is constantly used. But something rarely used, I don't want to take the chance.
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Old 12-26-2017, 10:01 AM   #19
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Over the last 50 years I have had dozens of remotes and other devices ruined by leaking batteries. I just found a leaking battery in my Sears Multi-timer. I think I saved it after cleaning it for 15 minutes.

Have you considered what happens to your batteries after they have been in the land fill for a few years?
I do not worry about the landfills, that is the place to throw alkaline batteries according to the recycle people.

I never threw any baby diapers in any landfill, the number one thing in the landfills, and I know many people have thrown thousands. So I get a free pass on a few items, even some prohibited items, is the way I figure...
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Old 12-26-2017, 10:06 AM   #20
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I never threw any baby diapers in any landfill, the number one thing in the landfills...
I'm far more concerned about baby diapers and the number two thing in the landfills.
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