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HelicopterOff Topics › Why do my mower battery terminals corrode?
12-01-2007 03:59 PM  9 years agoPost 1
scatbass

rrNovice

Hiram, GA

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OK...someone here has to be able to offer constructive advise for this one. Why do my lawn mower battery terminals (and the wires if left attached) corrode over the course of the season? What can I do to prevent this? I do not currently use a charger...would this help?



Mike

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12-01-2007 04:21 PM  9 years agoPost 2
playfair

rrKey Veteran

Rochester, NY

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From autotechrepair:
Battery corrosion is caused by one or more the following:

* Dirty or wet battery tops normally caused from expansion of electrolyte from overfilled cells or weeping form faulty battery terminal seals
* Acid fumes leaking through the vent caps, which could be a sign of overcharging
* Electrolysis due to the mismatch of metal alloys used in the battery posts and terminals
Most place recommend neutralizing the external acid with baking soda/water, the thoroughly clean the terminals back to bare metal, then coat with silicone grease.


The sky is our canvas

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12-01-2007 05:05 PM  9 years agoPost 3
Ruff

rrVeteran

Queen Creek, AZ

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Get a can of terminal protector from your auto supply. It sprays on and it is usually red in color. Simple fix...

Ruff

http://srcha.com

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12-01-2007 06:54 PM  9 years agoPost 4
jds2000

rrApprentice

The GIANT side of Texas

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Clean it really good and get some Whip at a auto parts store. It is black and kinda messy but after coating the terminals and battery post really good the corrosion will not happen again for a long time.

One Truth

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12-02-2007 12:33 AM  9 years agoPost 5
lil_Buddy

rrApprentice

Scott LA. US

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Clean the post an terminals real good. Then glue a penny next to each
one. The corrosion will go to the penny not the post or terminals.
Try it. It realy works.
I have done it to car batteries before.

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12-02-2007 12:47 AM  9 years agoPost 6
gian

rrVeteran

AZ

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Yup- like zinc electrodes on the hull of a boat.

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12-02-2007 12:49 AM  9 years agoPost 7
helicoop

rrApprentice

North West Ohio

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Get sealed AGM type batterys.
No corosion and thety last.
We get used ones from a Harly shop FREE

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12-02-2007 12:58 AM  9 years agoPost 8
JEEPWORLD2002

rrKey Veteran

BLUEBELL PA USA

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I use permatex blue treminal seler looks purple in color and seals nice and dry. my trminals look like they did from day1. First clean them with baking soda and water careful not to get all over they rinse off with hose. dry and apply sealer it works great. some places sell felt washer to go between terminal and batt post on bottom but I dont use them.

Trex600n Trex500 Mikado LoGo5003d// Hacker, CastleCreations,Ys 50, JR 7703d/8900, Radix

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