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Dewalt battery life?

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Forum topic by Vrtigo1 posted 02-05-2011 03:44 AM 8124 views 0 times favorited 12 replies Add to Favorites Watch
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Vrtigo1

432 posts in 1677 days


02-05-2011 03:44 AM

Just threw one of my batteries on the charger and got the rapid blink that says the battery pack has gone bad. This has happened before, but I usually just remove it and put it back to charge and it works fine. Not this time.

I went back and looked through my records and saw that I purchased this particular battery with my drill in June of 2009. Is the expected life really so short? I have a set of 14.4v batteries from my older drill, and one’s kicked the bucket but the other is still good. Those guys must be 7 or 8 years old.

Dewalt says they warranty their batteries for 3 years. Has anyone ever sent one back for replacement? If so, do you recall how long the turnaround on it was?


12 replies so far

View richgreer's profile

richgreer

4524 posts in 1760 days


#1 posted 02-05-2011 05:04 AM

I own a complete set of DeWalt 18 volt cordless tools and 6 batteries (2 chargers). Some of these batteries are over 5 years old. I’ve never had a battery failure problem yet.

-- Rich, Cedar Rapids, IA - I'm a woodworker. I don't create beauty, I reveal it.

View William's profile

William

9149 posts in 1528 days


#2 posted 02-05-2011 05:22 AM

Battery replacement has made me swear off cordless tools. I have an old B&D 18V (and I mean OLD) that still has the original batteries. It’s been great. In the meantime, I’ve had three other 18V drills. All of them are sitting now, unused, because I’m sick of replacing batteries every year. Two of those are Craftsmans and one is a Ryobi. I have spent so much on batterys for them it’s ridiculous.
I thought about buying another B&D. A buddy bought one a couple of years ago though, and has had the same one a year battery replacement luck that I’ve had out of the others.

-- http://wddsrfinewoodworks.blogspot.com/

View wseand's profile

wseand

2415 posts in 1727 days


#3 posted 02-05-2011 06:31 AM

Try cleaning the contacts before you give up on the batteries, I had to do that on one of mine, it worked but isn’t a sure thing. Otherwise I haven’t any of my batteries die, 18v DeWalt.

-- Bill - "Freedom flies in your heart like an Eagle" Audie Murphy

View cabmaker's profile

cabmaker

1311 posts in 1495 days


#4 posted 02-05-2011 06:48 AM

`I dont know if it means anything but I have had problems with the 14.4 not meeting their expected life (whatever that is). I never had trouble with the 12 or 18 s. Good luck with it. BTW I still use corded drills when I can.

View childress's profile

childress

841 posts in 2227 days


#5 posted 02-05-2011 07:18 AM

If it’s NiCad you can always try to ZAP it…

be careful though

-- Childress Woodworks

View Dan's profile

Dan

3543 posts in 1566 days


#6 posted 02-05-2011 07:59 AM

Cant speak for Dewalt but I have some 18v Ryobi tools and I have gone through 4 batteries in as many years. The last two that I bought lasted maybe a year. One thing I think may have cut the life is that my shop is in my garage and they were kept in there over winter. I heard that the cold temp can hurt them.

I told myself I was not going to buy another set of batteries BUT Ryobi now offers a 2 year warranty on there regular batteries as well as the option to buy another 2 year extended warranty. I decided to buy another set and the extra 2 year warranty was less then 15 dollars. So as long as its a good warranty I should be good for at least 4 years…

-- Dan - "Collector of Hand Planes"

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Vrtigo1

432 posts in 1677 days


#7 posted 02-18-2011 08:31 PM

Well, I sent my problematic battery in to Dewalt earlier this week, and they just told me that they can’t find anything wrong with it so they’re sending it back. They checked it in three chargers and it worked fine in all three, charging to and holding over 19V. I’ve got about 6 months of battery warranty left, so I’m just going to use this battery as much as possible during that time to try and get it to fault again within the warranty period.

View Paul Pomerleau's profile

Paul Pomerleau

283 posts in 1379 days


#8 posted 02-18-2011 09:24 PM

I live in Ottawa Ontario Canada and there is a company here that specializes in batteries.
They will actually take your battery pack, open it up and change the cells.
They say that their cells are superior to the original and it is 1/4 the cost of a replacement pack.
Perhaps there is a battery place near you.

-- Close to Ottawa Ontario Canada

View David Craig's profile

David Craig

2135 posts in 1794 days


#9 posted 02-18-2011 09:45 PM

Based on Dewalt’s findings, could it be the charger? Not sure about the dust quantity in your shop, but you might want to clean the charger’s contacts and see if it blinks on any other batteries you use on it.

David

-- There is little that is simple when it comes to making a simple box.

View Vrtigo1's profile

Vrtigo1

432 posts in 1677 days


#10 posted 02-18-2011 10:15 PM

The charger works fine with the other battery that came in the set with the problematic one. I have another charger that I’ll try when I get the battery back.

View paulpablo's profile

paulpablo

1 post in 704 days


#11 posted 11-15-2012 06:12 AM

I am replying to this question a couple of years after you posted it, vrtigo1, but i am getting disgusted with battery life and charge life, on my dewalt 18 volt batteries. They last, like someone said, about a year, one they replaced that was just barely within warranty. Others just dead. Give me Milwaukee or give me electric.

View MonteCristo's profile

MonteCristo

2097 posts in 874 days


#12 posted 11-15-2012 08:48 PM

I think a lot of these battery powered tools are really vehicles to sell batteries. I don’t trust the chargers either – had one blow up and that was the end of that drill/batteries. Now I always buy two of the same thing so that I have 2 chargers and lots of batteries – as the old Who song says “won’t get fooled again !”.

-- Dwight - "Free legal advice available - contact Dewey, Cheetam & Howe""

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