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Single AA leaked. I guess it didn't like-30 for a couple of weeks. Can it be resurrected?
Posted By: kingston Re: Salvaging a flashlight - 02/27/17
No, I've never been able to reverse this. The batteries swell. I've tried everything but drilling them out. Soaked in penetrating oil for months on end.
Posted By: 12344mag Re: Salvaging a flashlight - 02/27/17
If the batteries are stuck in it drill a small hole in the end to put a self tapper in. Once you get the batteries out fill with hot water and baking soda, let it set overnight to neutralize the acid.

Dyr and try to get a piece of steel wool down inside to polish the battery contact.

Keep in mind this may ruin the switch if it's not in the tailcap but at this point you don't have much to lose.
Posted By: Ranger99 Re: Salvaging a flashlight - 02/27/17
i have a mini mag right here that's locked up tight
with good batteries that spewed. i've tried before
to get a battery company to warranty a corroded flashlight
with no luck. there's another in the next room that's in
an envelope ready to take to the post office, but i'm in
a quandary as to whether to risk the $7.00 or so on postage
when the single AAA maglight is like $9.00 new to replace
on my own or let them replace it or maybe they won't and
i'll be out the $7.00 even though the light itself is bad
and the battery did not spew or fail.
fwiw, i do have maybe 10 or so of the free harbor freight
lights here and at the outpost that when they quit they
just get tossed and replaced with another free one.

it's sad that when i was young all we had was the chrome
plated d cell light and i don't ever remember one getting
messed up because of batteries. you did have to shake the
hooey out 'em sometimes and buy a new bulb every 4 or 5
years
Posted By: FlaRick Re: Salvaging a flashlight - 02/27/17
Originally Posted by Snake River Marksman
Single AA leaked. I guess it didn't like-30 for a couple of weeks. Can it be resurrected?


White vinegar.

I was able to pry the battery out.

Vinegar is acid. Acid on acid?
Posted By: Hogwild7 Re: Salvaging a flashlight - 02/27/17
Alkaline batteries
I feel stupid for not thinking of that.
Posted By: CraigD Re: Salvaging a flashlight - 02/27/17
SRM - I got the following from https://maglite.com/support/faq - " If my flashlight is damaged by a battery leak, what should I do? The battery manufacture covers the leakage...

They give the following contact info:
Duracell® –

www.duracell.com/en-us/technology/battery-care-use-and-disposal

Support Team 1-800-551-2355


Energizer® –

www.energizer.com/about-batteries/battery-leakage

Customer Service 1-800-383-7323


Ray-O-Vac® –

www.rayovac.com/contact/warranty-and-guarantee.aspx

Customer Service 1-800-891-6091 or 1-800-237-7000
Posted By: GunReader Re: Salvaging a flashlight - 02/27/17
Where's the number for Harbor Freight batteries?
Posted By: kingston Re: Salvaging a flashlight - 02/27/17
Originally Posted by CraigD
SRM - I got the following from https://maglite.com/support/faq - " If my flashlight is damaged by a battery leak, what should I do? The battery manufacture covers the leakage...

They give the following contact info:
Duracell® –

www.duracell.com/en-us/technology/battery-care-use-and-disposal

Support Team 1-800-551-2355


Energizer® –

www.energizer.com/about-batteries/battery-leakage

Customer Service 1-800-383-7323


Ray-O-Vac® –

www.rayovac.com/contact/warranty-and-guarantee.aspx

Customer Service 1-800-891-6091 or 1-800-237-7000


That's what I got. Duracell replaced it. It was a 3x AA LED Maglite. There was no getting them out.
Posted By: 1minute Re: Salvaging a flashlight - 02/27/17
Wife's 3 x AA LED Maglite went to crap when we were doing some subzero camping. Battery leak toasted the bulb assembly. Maglite does not even warehouse replacement bulbs. Really pissed me off.
Posted By: 5sdad Re: Salvaging a flashlight - 02/27/17
Originally Posted by Ranger99
... it's sad that when i was young all we had was the chrome
plated d cell light and i don't ever remember one getting
messed up because of batteries. you did have to shake the
hooey out 'em sometimes and buy a new bulb every 4 or 5
years


Back when I was very young and stupid (I'm old now), I was headed down the basement steps when a flashlight on the overshoe shelf caught my eye. Not wishing to cause an investigation that would result in sanctions due to behaving in an unkid-like manner, I unscrewed the flashlight, intending to leave it in pieces after disassembly. I was struck by the odd, brown ooze coming from the top-most D-cell. With the inventive curiosity of youth, I followed my instinct to do the most logical action possible. (I licked the battery.) This resulted in an instant sensation inside my mouth that was, in a word, unpleasant. I rushed up the steps into the kitchen, where Mom was doing dishes. She was apparently having a bad day as she seemed a bit irked by my hipping her aside, sticking my mouth under the faucet, filling said mouth with water, and spitting it into her dish water. My declining to respond to her unreasonable request as to just what in hell was going on did not seem to improve her mood, so I took my still-burning mouth to the living room. Curling up in a chair, I could see the kitchen clock. Noting the time, I, employing the insight of the young, came to the conclusion that if this was going to kill me, it would do so in either 10 minutes or 24 hours. After an agonizing 11 minutes (had to be sure), I found myself still among the living and breathed a great sigh of relief, only to be drawn up short by the realization that I had only passed the first hurdle in my bid for survival. Little sleep was achieved that night, and my performance at school the next day was not up to my usual robust standard. Supper was largely ignored on my part and I retired to my chair of potential doom to await 6:45 and the passage of the magic 24 hours. This harrowing experience did not dim my enthusiasm for stupidity and shortly thereafter I manage do trip with a plastic pea-shooter in my mouth while running through the house, fall on said pea-shooter, and drive it into the back of my throat. (But that is another story.)
Posted By: ironbender Re: Salvaging a flashlight - 02/28/17
A lot of battery makers warranty any leakage ruining a product. Check with the battery maker.

Eveready replaced a headlamp leaking batteries ruined.
Posted By: Snyper Re: Salvaging a flashlight - 02/28/17
Originally Posted by GunReader
Where's the number for Harbor Freight batteries?


BR-549
Nebo branded battery and lite. Not a big deal if I have to pitch it. If I can save it, so much the better. Thanks all!
Posted By: poboy Re: Salvaging a flashlight - 02/28/17
tag
Posted By: hanco Re: Salvaging a flashlight - 02/28/17
Get a new one
Washed it out with warm water and vinegar, dried it with a paper towel, dropped in a new battery and good to go
Posted By: g5m Re: Salvaging a flashlight - 02/28/17
Originally Posted by GunReader
Where's the number for Harbor Freight batteries?


Uhh, right.
Posted By: FlaRick Re: Salvaging a flashlight - 02/28/17
Originally Posted by Snake River Marksman
Washed it out with warm water and vinegar, dried it with a paper towel, dropped in a new battery and good to go


You're welcome.
Posted By: Boogaloo Re: Salvaging a flashlight - 02/28/17
All alkaline batteries are at risk of leaking over time if left in a device.

They are designed to release pressure rather than explode, but I have still seen a few explode. They are not as pyrotechnic as rechargable Lithium batteries.

At this point I won't leave an alkaline battery in any device overnight, and I store them separately.

I use NiMh batteries in any long term installation.
Posted By: las Re: Salvaging a flashlight - 02/28/17
5sdad - LOL. amazing some of us kids lived to be old nuts, eh?
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