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Thread: Eveready Alkaline power cell - AA- E91- unheard of stories

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    Default Eveready Alkaline power cell - AA- E91- unheard of stories

    This is a first for me. Over the years alkaline batteries have ruined a lot of my devices.
    I was re-organizing some tools and pulled out my old analog hand held Ω meter from the 70's.
    I haven't touched this meter in over 15 years. I was expecting to have to take it apart and clean
    an old corroded alkaline cell, and replace it with a lithium primary.

    Nope. Definitely has to be some sort of extreme record. The meter's Ω function still worked!

    While the age of the cell is not imprinted on the cell itself, research showed it was only sold and
    marketed for a six year period of time, 1974 - 1980. That makes this still functioning, but weak cell
    from at least 38 years ago.


    Pic Link

    Any other alkaline stories out there?
    Is this a one in million thing? Anything like this ever happen to You?

  2. #2

    Default Re: Eveready Alkaline power cell - AA- E91- unheard of stories

    I have 2 flashlights with 2D cells in them Energizers from 2004 that still work fine. I think the biggest thing is old cells not leaking more than having power left in them. I've tossed a lot of batteries that were not yet expired and were unused so to have a used old cell not leak after 30 years is probably more like one in 100 million than in a million as there were tons of batteries made over the years perhaps more so per the average use in the 70s/80s than today with rechargeables far superior than what was available then.
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    Default Re: Eveready Alkaline power cell - AA- E91- unheard of stories

    I too have some "industrial" C cells that are 15+ years old that still have a charge in them.
    I never had that much trouble with the larger C and D size cells as compared to the near constant leakage troubles of AAA and AA sized cells.

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    Post Re: Eveready Alkaline power cell - AA- E91- unheard of stories

    Impressive!

    I have 2 9v batteries which were in our garage door openers from around 2000 to 2010 and then left in our shed until very recently when i found them and thought hmm.. what batteries do they have in there? I opened them up to find a GP Greencell zinc carbon, one of which was completely dead (around 2v, i think the button had gotten stuck at some point.) the other one however reads 9.52 volts! and can still deliver 150 ish ma of current short circuit. These batteries expired in February 1999 so i assume they were made in 1996/7 ish?

    I also had some Energizer industrial alkalines that expired in 2008, however one of them began to leak so i chucked them both. But they were reading around 1.3v as they had been used in a tape recorder previously. Apart from that, the oldest battery i have is a zinc chloride 9v that came with one of those battery testers and "expired" in 2011, still has 9.4v though

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    Default Re: Eveready Alkaline power cell - AA- E91- unheard of stories

    Quote Originally Posted by Got Lumens? View Post
    I too have some "industrial" C cells that are 15+ years old that still have a charge in them.
    I never had that much trouble with the larger C and D size cells as compared to the near constant leakage troubles of AAA and AA sized cells.
    I've agree in that I've had less trouble with C/D cells than AA/AAA ones. It seems AA and AAA batteries of any brand (alkaline) is at great risk for leaking. I've gotten so paranoid about leaks that I've taken the batteries out of most devices that are either very expensive to replace or hard to find replacements for. I find 9V alkalines tend to leak less or perhaps the package design having 2 layers of protection has them with less visable leakage.
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    Default Re: Eveready Alkaline power cell - AA- E91- unheard of stories

    As with AA/AAA/AAAA sized cells, 9V cells come in many different chemistries. The carbon based are a stack of 6 squares, alkaline's are a bundle of 6 slightly smaller than aaaa sized cells in series, usually spot welded straps between them, and lithium come in a stack of 3 squares and some NiMh either way. Having the extra space between the 6 cell bundle usually wrapped in metal with it's two plastic ends can help hide a leaker, as there is not nearly as much that leaks out of 1/6 or 1/3 compared to all of an AAA/AA sized cell. Donno. Just an oddity. I use AA/AAA NiMh's and Lithium Primaries now in anything of value or keepsake. I eat up any free alkaline's sent in my computer mouse and keyboard, which get 's checked and cleaned frequently.

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    Default Re: Eveready Alkaline power cell - AA- E91- unheard of stories

    Quote Originally Posted by Got Lumens? View Post
    As with AA/AAA/AAAA sized cells, 9V cells come in many different chemistries. The carbon based are a stack of 6 squares, alkalines are a bundle of 6 slightly smaller than aaaa sized cells in series, usually spot welded straps between them, and lithium come in a stack of 3 squares and some NiMh either way. Having the extra space between the 6 cell bundle usually wrapped in metal with it's two plastic ends can help hide a leaker, as there is not nearly as much that leaks out of 1/6 or 1/3 compared to all of an AAA/AA sized cell. Donno. Just an oddity. I use AA/AAA NiMh's and Lithium Primaries now in anything of value or keepsake. I eat up any free alkaline's sent in my computer mouse and keyboard, which get 's checked and cleaned frequently.
    Actually Alkaline 9v's come in prismatic (flat) and AAAA cells just have to know which brands have which in them. As I have devices that don't behave well with nimh and lithium primaries until recently were only available for about $2 each I still have a few devices with alkalines in them (AA and AAAs that is). Now that I can get Energizer L91 and L92s for about $120 at Sam's Club I've started replacing even more alkalines in some of the cheaper devices that rarely get used.
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    Default Re: Eveready Alkaline power cell - AA- E91- unheard of stories

    Quote Originally Posted by Lynx_Arc View Post
    Actually Alkaline 9v's come in prismatic (flat) and AAAA cells just have to know which brands have which in them.
    The number on them will often say it. I opened a large number of 9V Alkaline here: https://lygte-info.dk/info/BatteryDi...line%20UK.html
    My website with battery, charger, usb reviews, comparisons & information: https://lygte-info.dk/
    Latest addition is multimeter reviews

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    Default Re: Eveready Alkaline power cell - AA- E91- unheard of stories

    +1


    Shape codes are:

    R Round, (coin, button or cylindrical)
    P Not round
    F Flat (layer built)
    S Square (or rectangular or prismatic)


    GP Battery actually has made both configurations of flat and round Alkaline chemistry 6 cells in series configurations.

  10. #10

    Default Re: Eveready Alkaline power cell - AA- E91- unheard of stories

    I have a few of D cells that expired back in the 90's kicking around that still have some life in them including a couple of duracells that look awful because the tops have begun to oxidize/turn black, but the have not leaked and still have some usable charge left. I also had a 2 pack of radio shack D's from the 90's that looked new and still had a good amount of charge in them when I opened them up a couple years ago.

    Not sure if the two are related, but it seems to me that alkaline batteries became more likely to leak around the time they stopped using mercury in them.

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    Default Re: Eveready Alkaline power cell - AA- E91- unheard of stories

    I have a Buck multitool that has a small light in it. I donít recall the name, but I bought it back in the 80s. I tried it a few years ago and the light still worked. I donít know what kind of small battery it uses, as Iíve never tried to open it up (itís not obvious how that would be done), but anyway, it could have been 30 years or more since I bought it.
    It is better to buy a beautiful, expensive, custom flashlight than to curse the darkness.

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    Default Re: Eveready Alkaline power cell - AA- E91- unheard of stories

    Quote Originally Posted by magellan View Post
    I have a Buck multitool that has a small light in it. I donít recall the name, but I bought it back in the 80s. I tried it a few years ago and the light still worked. I donít know what kind of small battery it uses, as Iíve never tried to open it up (itís not obvious how that would be done), but anyway, it could have been 30 years or more since I bought it.
    That's awesome! That light uses tiny hearing aid style round cells. They do come in lithium primary and alkaline. The head may be loctited. Any pics?

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    Default Re: Eveready Alkaline power cell - AA- E91- unheard of stories

    Quote Originally Posted by Got Lumens? View Post
    That's awesome! That light uses tiny hearing aid style round cells. They do come in lithium primary and alkaline. The head may be loctited. Any pics?
    I know of no interchangeable lithium and alkaline button or coin cells as lithium varieties of these are 3v not 1.5v.
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    Default Re: Eveready Alkaline power cell - AA- E91- unheard of stories

    Quote Originally Posted by Got Lumens? View Post
    That's awesome! That light uses tiny hearing aid style round cells. They do come in lithium primary and alkaline. The head may be loctited. Any pics?
    The tool sits in a drawer somewhere in the house. If I can find it Iíll post a photo. The tool was only in production for a short time and differed from other multitools. There was no pliers, for example, but it had this little light.
    It is better to buy a beautiful, expensive, custom flashlight than to curse the darkness.

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    Default Re: Eveready Alkaline power cell - AA- E91- unheard of stories

    I found it! Here are some photos, with one showing the light. Also, itís a Gerber, not a Buck as I originally thought (I have another Buck multitool but itís different. At one point I had a collection of several dozen of these multitools from different makers, including a very interesting one from knifemaker Al Mar, but I sold most of them years ago, but this is one that I kept).

    http://imgbox.com/oWxIvxEf

    http://imgbox.com/ROc4IxXZ

    http://imgbox.com/r4bV3Xj1
    Last edited by magellan; 10-04-2018 at 05:16 AM.
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    Default Re: Eveready Alkaline power cell - AA- E91- unheard of stories

    A Gerber Multi-Lite Tool. Yup the're ~20 years old.
    They used a CR2016 coin cell, not the light I had thought of at first.

    I don't have one. There are some decent colored 5mm leds now if You wanted to mod it .


    pic link


    pic link



    pic link



    pic link
    Last edited by Got Lumens?; 10-04-2018 at 02:18 PM. Reason: Pictures from Wiki Multi-Tool

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    Default Re: Eveready Alkaline power cell - AA- E91- unheard of stories

    Right you are. I figured out how to take out the battery, and itís at 60% according to my ZTS battery tester.
    It is better to buy a beautiful, expensive, custom flashlight than to curse the darkness.

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    Default Re: Eveready Alkaline power cell - AA- E91- unheard of stories

    I have the opposite situation. Last week, I noticed a problem with 4 AA powered motion detector LED light in the kitchen hallway closet of a client's house. It turns on every time the door is opened, and shines into the dark closet for 30 seconds after movement is no longer detected. He bought this thing last year, and I installed it soon after(assuming that it either wouldn't work 90% of the time, or that it would malfunction within a few weeks). I was pleasantly surprised, as most of the many, many cheap devices he buys online either don't work at all, or are largely ineffective. To be fair, out of the 2 or 3 of these lights he purchased in an online 'package deal', 1 of them WAS broken from the get-go(par for the usual course).

    So it's 4 initial brand name alkaline batteries lasted like 6-7 months. I installed 4 new alkalines and recorded the date once again. Roughly 2 months later, it became dim. I tested the batteries, using a tester that gives you 'bars' that show you how much charge it has left, and noticed 1 battery was much lower than all others. I installed new ones, but about 6 weeks later it became dim, and one battery measured significantly different than the other 3 again.

    Now I decided to label each battery slot with a number(1-4). Sure enough it became dim about 2 months later, so I began testing the batteries. Battery #1 was at 75%, Battery #2 at 75%, Battery #3 nearly dead, with light corrosion and oily moisture in spots, Battery #4 was completely dead, with quite a lot of oily moisture covering it.

    I looked for the date on these batteries, and they were dated "2026"!! I have absolutely NO idea what's going on here!
    Last edited by HighlanderNorth; 10-07-2018 at 02:56 AM.
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    Default Re: Eveready Alkaline power cell - AA- E91- unheard of stories

    HighlanderNorth,

    I have seen some devices where the manufacturer does a very dirty trick to get seperate power rails in the device.

    For example, with a 4xAA device they might connect the LEDs across all 4 batteries, but the sense circuit for the PIR across only 2 of them to give a 3V rail.

    This is very bad design but seen in some cheap horrible devices. If you are curious, open the device and see if there are additional wires running from the middle of the battery holder.

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    Default Re: Eveready Alkaline power cell - AA- E91- unheard of stories

    My digital camera does this. Now it only has two AA cells in series.
    Sometimes the camera will just go completely dead after a few minutes of use.
    One cell will have ~90% charge and the other dead. I have had this happen with
    different brands of lithium primaries and alkaline's. Fresh cells from new
    packages, well within thier date, purchased within 3 months of opening
    packaging where only one cell fails . I've dismissed these as defective cells
    from the factory. I've had it happen three times over two years.

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    Default Re: Eveready Alkaline power cell - AA- E91- unheard of stories

    Quote Originally Posted by HighlanderNorth View Post
    I have the opposite situation. Last week, I noticed a problem with 4 AA powered motion detector LED light in the kitchen hallway closet of a client's house. It turns on every time the door is opened, and shines into the dark closet for 30 seconds after movement is no longer detected. He bought this thing last year, and I installed it soon after(assuming that it either wouldn't work 90% of the time, or that it would malfunction within a few weeks). I was pleasantly surprised, as most of the many, many cheap devices he buys online either don't work at all, or are largely ineffective. To be fair, out of the 2 or 3 of these lights he purchased in an online 'package deal', 1 of them WAS broken from the get-go(par for the usual course).

    So it's 4 initial brand name alkaline batteries lasted like 6-7 months. I installed 4 new alkalines and recorded the date once again. Roughly 2 months later, it became dim. I tested the batteries, using a tester that gives you 'bars' that show you how much charge it has left, and noticed 1 battery was much lower than all others. I installed new ones, but about 6 weeks later it became dim, and one battery measured significantly different than the other 3 again.

    Now I decided to label each battery slot with a number(1-4). Sure enough it became dim about 2 months later, so I began testing the batteries. Battery #1 was at 75%, Battery #2 at 75%, Battery #3 nearly dead, with light corrosion and oily moisture in spots, Battery #4 was completely dead, with quite a lot of oily moisture covering it.

    I looked for the date on these batteries, and they were dated "2026"!! I have absolutely NO idea what's going on here!
    You could try and replace just the two cells once every 45 days? Treat them as two banks of batteries instead of one.
    Personally I would suggest having him switch these lights cells over to NiMh rechargeable's.
    Then You don't need to keep replacing the cells constantly, and You need not worry about
    alkaline leakage.

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    Default Re: Eveready Alkaline power cell - AA- E91- unheard of stories

    Another option is to mark the 2 spaces that hold the cells that drain more quickly. Rotate the cells between the holders every 2 weeks or so.

  23. #23

    Default Re: Eveready Alkaline power cell - AA- E91- unheard of stories

    The best option would be to take the wire off 2 cells and hook it across 4 cells with a dropping resistor to make up for increased voltage that way all 4 batteries would deplete the same.
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    Default Re: Eveready Alkaline power cell - AA- E91- unheard of stories

    Quote Originally Posted by Lynx_Arc View Post
    The best option would be to take the wire off 2 cells and hook it across 4 cells with a dropping resistor to make up for increased voltage that way all 4 batteries would deplete the same.
    IF This is the case. No. The best modification would be to install an additional two cell carrier external and connect the midtap wires. A resistor is only going to kill all the cells more quickly. It sounds like there is a mid tap on the four cells, and a constant draw sensing. This could benefit from a larger external two cell C or D sized power source. It may last 6 months or more with that modification.
    Last edited by Got Lumens?; 10-09-2018 at 11:23 AM.

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