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Do you "zap" your cordless tool batteries?

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Forum topic by b2rtch posted 08-09-2012 03:29 PM 3072 views 2 times favorited 37 replies Add to Favorites Watch
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b2rtch

4346 posts in 1743 days


08-09-2012 03:29 PM

Topic tags/keywords: question

I just read a review about Rigid cordless tools and as I was writing that I am about to replace my Milwaukee drills because the batteries no longer hold the charge or no longer take full charge, I remembered reading about “zapping ” the batteries.
I read that after “zaping’ the batteries in fact take a better charge than new.
Do you have any experience about this operation?
How do you so it?
Did it work for you?
Thanks
Bert

-- Bert


37 replies so far

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GMman

3902 posts in 2392 days


#1 posted 08-09-2012 03:35 PM

Bert I do it with a 12vdc battery charger, works fine.

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chrisstef

11183 posts in 1701 days


#2 posted 08-09-2012 03:35 PM

Ive smashed a few but cant say ive ever “zapped” any of em. Ive got an 18v dewalt thats startin to get under my skin. Id like to hear more on the zapping.

-- "there aren’t many hand tools as awe-inspiring as the #8 jointer. I mean, it just reeks of cast iron heft and hubris" - Smitty

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b2rtch

4346 posts in 1743 days


#3 posted 08-09-2012 03:51 PM

How come I received a reply from Gman in my email but it does not appear here?

-- Bert

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b2rtch

4346 posts in 1743 days


#4 posted 08-09-2012 03:53 PM

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dbhost

5386 posts in 1927 days


#5 posted 08-09-2012 04:07 PM

I steer clear of battery powered tools. Too many opportunities for them to let me down at the wrong time.

-- My workshop blog can be found at http://daves-workshop.blogspot.com

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b2rtch

4346 posts in 1743 days


#6 posted 08-09-2012 04:13 PM

True but it seems that cords are always in the way and some places have no power

-- Bert

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lumberjoe

2842 posts in 943 days


#7 posted 08-09-2012 04:36 PM

I’ve got a really nice old NiCAD cordless drill with 2 dead batteries. I think I’ll give this a shot when I get home. I also hate cordless tools, but I do see value in a cordless drill/driver.

-- www.etsy.com/shop/KandJWoodCrafts

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GMman

3902 posts in 2392 days


#8 posted 08-09-2012 05:01 PM

Bert I do it with a 12vdc battery charger, works fine.

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b2rtch

4346 posts in 1743 days


#9 posted 08-09-2012 05:09 PM

I am going to try.

-- Bert

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Loren

7742 posts in 2343 days


#10 posted 08-09-2012 05:13 PM

I’ve done it on nicad batteries that weren’t taking a charge
anymore… “Surge charging” I think is what it’s called. It’s kind
of fun to do, resurrect your batteries.

Unfortunately they are really zombies and they don’t stay
resurrected long. It varies depending on what’s going on
with the cells in the battery, but in general I’ve found
it’s a short-term fix at best.

-- http://lawoodworking.com

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Brett

633 posts in 1378 days


#11 posted 08-09-2012 05:20 PM

I have a cordless drill that doesn’t require batteries:

:)

-- More tools, fewer machines.

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hhhopks

564 posts in 1072 days


#12 posted 08-09-2012 09:02 PM

I am not famillar with this “zap” business.
Since you guys aren’t either, please take precaution.
Better be safe than sorry. Wear insulated gloves or something.

-- I'll be a woodworker when I grow up. HHHOPKS

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ajosephg

1854 posts in 2256 days


#13 posted 08-09-2012 11:45 PM

I agree with hopks especially if you put “high” voltage on them, you’re asking for an explosion.

-- Joe

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bunkie

411 posts in 1842 days


#14 posted 08-09-2012 11:51 PM

NiCd batteries have a nasty habit of exploding. I would be really careful trying to zap them, especially with 110V…

A better (safer) solution is to send the battery packs out to be rebuilt with new cells.

-- Altruism is, ultimately, self-serving

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sonnyr

89 posts in 823 days


#15 posted 08-10-2012 12:48 AM

I looked into the posibility of “rejuvenating” ni-cads a little while back and found this site:

http://www.r-charge.net/

They have changed the way they describe what their 1.2 -24vdc charger would do, but at one time it was touted to be able to bring almost any ni-cad back to life. Their products are really pricey, but I looked into it because of the large amount of cordless drills that were being used where I used to work.

http://www.r-charge.net/RC-1AU--Universal-Battery-Charger-12-24VDC_p_89.html

I also found this for the electronically inclined:

http://www.sentex.ca/~mec1995/gadgets/rejuv.html

-- I may be slow, but I'm easy to stop!!!

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