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Old 07-22-2010, 02:39 PM   #1
plinker
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Default Cleaning battery acid corrosion in a Maglite

Hav a 4-D cell Maglite that had a battery leak near the tail end. Whats the best way to clean it out?

They were Rayovac batterys, FWIW.
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Old 07-22-2010, 02:57 PM   #2
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Default Re: Cleaning battery acid corrosion in a Maglite

Lemon juice and some scotchbrite. You'll need an acid to remove the alkaline leakage from the batteries.

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Old 07-22-2010, 03:03 PM   #3
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Default Re: Cleaning battery acid corrosion in a Maglite

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Originally Posted by plinker View Post
Hav a 4-D cell Maglite that had a battery leak near the tail end. Whats the best way to clean it out?

They were Rayovac batterys, FWIW.
I thought battery companies would replace the flashlight if their batteries runied it. If so, send it to Rayovac.
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Old 07-22-2010, 03:07 PM   #4
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Default Re: Cleaning battery acid corrosion in a Maglite

Go down the auto store and get some corrosion cleaner. Comes in a little squirt sprayer and works amazingly well. Corrosion just dissolves to a point that you simply wipe it off with a paper towel.
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Old 07-22-2010, 03:16 PM   #5
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Default Re: Cleaning battery acid corrosion in a Maglite

Baking soda and water
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Old 07-22-2010, 03:22 PM   #6
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Default Re: Cleaning battery acid corrosion in a Maglite

I had the same thing happen to me,contacted the people that made the batteries and they sent me numerous coupons towards new products. I can't remember at this time who made the batteries. If I remember correctly they offered to replace the Maglite if I wanted. I was able to clean up the mess myself, so I just accepted the coupons. I would recommend contacting Rayovac.JMO
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Old 07-22-2010, 04:31 PM   #7
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Default Re: Cleaning battery acid corrosion in a Maglite

Same exact thing happened to me two weeks ago. It is a 3 AA Maglite. The end battery came out but the second one is stuck due to all the corrosion. Rayovac batteries also.

Looks like I'll need a combination of lemon juice, baking soda, water, corrosion cleaner and scotchbrite and I'll be good to go!
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Old 07-22-2010, 06:49 PM   #8
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Default Re: Cleaning battery acid corrosion in a Maglite

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Originally Posted by Rockford514 View Post
Baking soda and water
This is what I used when mine needed it.
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Old 07-22-2010, 07:13 PM   #9
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Default Re: Cleaning battery acid corrosion in a Maglite

Contact Maglite. Although slow to process (3-4 weeks), and poor with communication, I sent mine to them and got a new one in return.

I was told that the major battery manufacturers all have warranties against the leakage of acid. Maglite, in turn, has agreements with all of the battery manufacturers, to act as the administer of their warranties.
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Old 07-22-2010, 07:48 PM   #10
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Default Re: Cleaning battery acid corrosion in a Maglite

I throw them out and buy a new one, lol Life is short, maglights are cheap now (compared to 1975). I can remember when the mini maglite came out it was 30 dollars off a tool truck.
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Old 07-22-2010, 09:28 PM   #11
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Default Re: Cleaning battery acid corrosion in a Maglite

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I throw them out and buy a new one, lol Life is short, maglights are cheap now (compared to 1975). I can remember when the mini maglite came out it was 30 dollars off a tool truck.
I had a 4 cell Mag with Alkaline Energizers that bulged and leaked due to being in a hot van all day. Never could get the corrosion out enough to get it to work. My own fault, but I've switched to old vintage metal flashlights converted to LED bulbs. They are plenty bright without needing alkaline batteries - and carbon zinc cells don't leak bad stuff!
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Old 07-22-2010, 09:50 PM   #12
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Default Re: Cleaning battery acid corrosion in a Maglite

Mag flash lights are prone to this ozzing of batteries and being near impossible to get cleaned out and working again. I think it has to do with the electro-galvanizing effect between the alloy aluminum and the steel of the batteries (???).

I have gone thru at least a half dozen of them (around 35 bucks a piece). Now I use the super lightweight plastic ones from sears, home depot, HP, even the dollar store!!

All with LEDs and the problem of the exploding batteries is gone.

If you need to have a head basher size MAG flash light for protection take the batteries out daily (yes you will get used to the hassle).
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Old 07-22-2010, 10:06 PM   #13
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Default Re: Cleaning battery acid corrosion in a Maglite

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Baking soda and water
x2

asdfgfhujl
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Old 07-22-2010, 10:25 PM   #14
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Default Re: Cleaning battery acid corrosion in a Maglite

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I had a 4 cell Mag with Alkaline Energizers that bulged and leaked due to being in a hot van all day. Never could get the corrosion out enough to get it to work. My own fault, but I've switched to old vintage metal flashlights converted to LED bulbs. They are plenty bright without needing alkaline batteries - and carbon zinc cells don't leak bad stuff!
How about some pics/details of the vintage flashlights? I'm planning a retry teardrop trailer build and it'd be cool to have a few of these.
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Old 07-22-2010, 11:41 PM   #15
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Default Re: Cleaning battery acid corrosion in a Maglite

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If you need to have a head basher size MAG flash light for protection take the batteries out daily (yes you will get used to the hassle).
Uhhh daily?
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Old 07-23-2010, 12:08 AM   #16
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Default Re: Cleaning battery acid corrosion in a Maglite

I had that happen to 2 maglites, 3 times total, twice to the same one. I couldn't get the batteries out, Threw them out, stopped buying maglite and now I don't have that problem.
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Old 07-23-2010, 10:58 PM   #17
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Default Re: Cleaning battery acid corrosion in a Maglite

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Uhhh daily?
Uh --Yea, for rats and such (not to mention guard dogs!!).
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