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"ole"

07/01/2005 4:30 PM

Milwaukee 18v batteries

Hi:

Has anyone else had problems with short life on Milwaukee 18v 2.4amp
batteries?

I have had two go dead in less than 18 months. At $80-100 bucks apiece it
gets to be a bad economic situation.

I love my 18v Milwaukee drill but the batteries kind of suck

Ole


This topic has 13 replies

BG

Bob G.

in reply to "ole" on 07/01/2005 4:30 PM

25/01/2005 9:46 AM

On Mon, 24 Jan 2005 20:30:12 GMT, "Jeff P."
<[email protected]> wrote:

>I'm not showing the original post here but I assume that it's about
>Milwaukee batteries dieing a premature death. I've had exactly the same
>problem. I use my cordless tools on a regular basis but I'm far from a
>heavy user. My batteries are probably about 18 months old also and they
>hardly take a charge anymore. I'm looking into having them rebuilt with
>high-capacity NIMH cells. The cost is about the same as new batteries and
>they'll have a higher capacity and no memory problems. Frankly, I can't
>understand why Milwaukee doesn't use NIMH cells to begin with.

==================
My Milwaukee drill is only a 14 v ...and I am not a heavy user either.
although I did "loan" it out to my son who does construction work when
his Big Yellow drill was in the shop for a month or so...

BUT to be honest my drill has to be getting close to 10 years old and
the batteries have never given me any hint of turning "south"... .

No Clue on what type batteries it uses...

Bob G

SK

Steve Knight

in reply to "ole" on 07/01/2005 4:30 PM

07/01/2005 8:06 PM



>That sounds like a relative short life and especially for Milwaukee.
>BUT it has been documented that the larger voltage the battery pack and with
>more constant use and recharging the battery gets hot. With more cells in a
>18 volt model vs. a 12 volt model the heat tends to store longer and cool
>down slower. Heat is bad for batteries.
>
>

the problem is not heat so much as the number of cells. no matter what brand or
quality cells can go bad. the more cells per pack the bigger the change you have
of having a bad cell. so the bigger the drill the more chance of failure.

--
Knight-Toolworks & Custom Planes
Custom made wooden planes at reasonable prices
See http://www.knight-toolworks.com For prices and ordering instructions.

gG

[email protected] (Glenn O. Scott)

in reply to "ole" on 07/01/2005 4:30 PM

24/01/2005 5:24 AM

What is your usage profile? These batteries should be good for about 300-400
recharge cycles. If you are in the trades and using them daily for several
hours then 18 months is not at all unreasonable. If you are using them in your
shop a couple of times a week a weeks for an hour or two then you should be
concerned.

I have been selling Milwaukee tools/batteries for several years and frankly,
outside of Makita, I have seen fewer complaints of Milwaukee battery tools than
just about any other brand. Dewault seems to be the worst for customer
satisfaction and Milwaukee and Makita are about the best so I am a bit
surprised about you post.
G O Scott, Flyfisher

DH

Dave Hinz

in reply to "ole" on 07/01/2005 4:30 PM

07/01/2005 10:58 PM

On Fri, 7 Jan 2005 16:30:35 -0600, ole <[email protected]> wrote:
> Hi:
>
> Has anyone else had problems with short life on Milwaukee 18v 2.4amp
> batteries?

Nope, but I had problems with short life on Milwaukee 12V batteries,
so I bought an 18V Makita to replace the drill.

> I have had two go dead in less than 18 months. At $80-100 bucks apiece it
> gets to be a bad economic situation.

Exactly.

> I love my 18v Milwaukee drill but the batteries kind of suck

FWIW, the Makita is going on year #3 with no battery life problems.
Hard to say why or if it's a fair comparison, but there it is.

Dave Hinz

DB

Duane Bozarth

in reply to "ole" on 07/01/2005 4:30 PM

07/01/2005 5:13 PM

ole wrote:
>
> Hi:
>
> Has anyone else had problems with short life on Milwaukee 18v 2.4amp
> batteries?
>
> I have had two go dead in less than 18 months. At $80-100 bucks apiece it
> gets to be a bad economic situation.
>
> I love my 18v Milwaukee drill but the batteries kind of suck

I've one of the two that seems intermittent...occasionally it won't
charge at all, but then again, it seems just fine....assume there must
be an intermittent inside...

Other than that, they both hold fine and have been used heavily for
about 18 mo now...

Td

"TeamCasa"

in reply to "ole" on 07/01/2005 4:30 PM

07/01/2005 3:52 PM

I have 8 of the batteries. Two died as a direct result of overheating. I
sent them to Milwaukee and they replaced them both. I also killed one by
using the small charger supplied in the kit by running it from a generator.
I purchased the multibay charger and now I can re-charge them from the
generator with no problems.

There is a definite difference between some of the batteries and their
ability to hold a charge. I am going to send two more back to Milwaukee for
replacement.

Overall, the benefits of a quality tool overcomes the pain of shipping a few
batteries back now and then.

Dave

Note: The tools are abused a great deal by novices regularly. They don't
know when to stop and change batteries when they become hot to the touch!


"ole" <[email protected]> wrote in message news:[email protected]...
> Hi:
>
> Has anyone else had problems with short life on Milwaukee 18v 2.4amp
> batteries?
>
> I have had two go dead in less than 18 months. At $80-100 bucks apiece it
> gets to be a bad economic situation.
>
> I love my 18v Milwaukee drill but the batteries kind of suck
>
> Ole
>

Lr

"Leon"

in reply to "ole" on 07/01/2005 4:30 PM

07/01/2005 11:00 PM


"ole" <[email protected]> wrote in message news:[email protected]...
> Hi:
>
> Has anyone else had problems with short life on Milwaukee 18v 2.4amp
> batteries?
>
> I have had two go dead in less than 18 months. At $80-100 bucks apiece it
> gets to be a bad economic situation.
>
> I love my 18v Milwaukee drill but the batteries kind of suck
>
> Ole

That sounds like a relative short life and especially for Milwaukee.
BUT it has been documented that the larger voltage the battery pack and with
more constant use and recharging the battery gets hot. With more cells in a
18 volt model vs. a 12 volt model the heat tends to store longer and cool
down slower. Heat is bad for batteries.


JP

"Jeff P."

in reply to "ole" on 07/01/2005 4:30 PM

26/01/2005 7:25 AM


http://www.primecell.com/

Navigate your way down to the "Cordless Power Tools - Upgrades" and check it
out. I can get an 18v battery rebuilt with 3300mAh NIMH batteries for
$76.50. Amazon is selling standard 18v NiCads for $79.99.

--
Jeff P.

"A ship carrying blue paint collided with a ship carrying red paint. The
crew are believed to be marooned."

Check out my woodshop at: www.sawdustcentral.com


"Jim Bailey" <[email protected]> wrote in message
news:[email protected]...
> Jeff - where do you get that done ?
>
>
> > hardly take a charge anymore. I'm looking into having them rebuilt with
> > high-capacity NIMH cells. The cost is about the same as new batteries
and
> > they'll have a higher capacity and no memory problems. Frankly, I can't
>
>

RT

"Rick"

in reply to "ole" on 07/01/2005 4:30 PM

07/01/2005 11:07 PM

Here's a little note on Milwaukee batteries.

===================================================
DISCLAIMER

If you don't know what you are doing ... stop here. Do NOT continue.

Assume full responsibility for your actions.

===================================================

There ... that's out of the way.

About a month ago my boss and I were at a customer's facility and when he
pulled the drill out of the bag of tools, the battery was flat. No big deal,
swap batteries, and pop the discharged on the charger.

(right about now some wise ass is going to say " duh ... is THAT what you
have to do? " ... don't bother )

The discharged battery would not take a charge. Mind you, we used these
batteries HARD ... but I didn't think they'd up and quit like that. I expect
a loss of capacity over the life of a battery pack ... not an abrupt
failure.

We opened the battery up to check for a blown fuse (no fuse). Here's where
the knowing what you are doing part comes in.

The battery was REALLY discharged, and the charger depends on having SOME
voltage to detect a battery ready to accept a charge. Run your battery below
this point and you have to charge it a little differently.

I had my lab power supply (it doesn't power the lab ... it is USED in the
lab) ... it provides 0-20 volts at 0-2 amps, and is both voltage AND current
regulated. I set the supply for 20 volts and limited the current to around
0.5 amps (500 mA for those who REALLY know what's up). I gave the battery a
slow charge for about 30 minutes, then popped it onto the Milwaukee charger.

The Milwaukee charger was now able to detect the battery and quickly
recharged the battery. No great loss of capacity (that we can observe
without test equipment), and no further issues.

If you don't have a regulated power supply, you might try jumping this
battery with a good one (be sure to get the polarity correct). Be sure to
current limit (such as with a pair of 12 volt light bulbs in series with the
lead). You DON'T want to dump all the good battery can deliver into the bad
battery ... that's not a good thing.

*****

Oh, and before I forget ... always take the battery off the tool before
storing. The drill trigger lock on our drill has worn, and the trigger got
pressed traveling from site to site.

HTH

Rick


( and here's hoping that there is something in the charger manual about this
... but since the tools are 600 miles away right now I can't read the thing
and tell you.)



"ole" <[email protected]> wrote in message news:[email protected]...
> Hi:
>
> Has anyone else had problems with short life on Milwaukee 18v 2.4amp
> batteries?
>
> I have had two go dead in less than 18 months. At $80-100 bucks apiece it
> gets to be a bad economic situation.
>
> I love my 18v Milwaukee drill but the batteries kind of suck
>
> Ole
>
>

MJ

Mark & Juanita

in reply to "ole" on 07/01/2005 4:30 PM

07/01/2005 9:18 PM

On Fri, 7 Jan 2005 16:30:35 -0600, "ole" <[email protected]> wrote:

>Hi:
>
>Has anyone else had problems with short life on Milwaukee 18v 2.4amp
>batteries?
>
>I have had two go dead in less than 18 months. At $80-100 bucks apiece it
>gets to be a bad economic situation.
>
>I love my 18v Milwaukee drill but the batteries kind of suck
>
>Ole
>

Can't comment on 18 volts, but I've got a 14.4 V Milwaukee whose
batteries seem to have fairly short duty times before re-charging is
needed. I hope this is not a sign of a soon-to-come failure. Drill is
only a little over 1 year old (August 03).

Like you, I really like the drill, it is much more solid than the PC that
it replaced (that had dead batteries which would have cost as much as a new
drill).


+--------------------------------------------------------------------------------+

Now we'll just use some glue to hold things in place until the brads dry

+--------------------------------------------------------------------------------+

MP

"Mike Pio"

in reply to "ole" on 07/01/2005 4:30 PM

25/01/2005 8:29 PM


"Bob G." <[email protected]> wrote in message
news:[email protected]...
> On Mon, 24 Jan 2005 20:30:12 GMT, "Jeff P."
> <[email protected]> wrote:
>
>>I'm not showing the original post here but I assume that it's about
>>Milwaukee batteries dieing a premature death. I've had exactly the same
>>problem. I use my cordless tools on a regular basis but I'm far from a
>>heavy user. My batteries are probably about 18 months old also and they
>>hardly take a charge anymore. I'm looking into having them rebuilt with
>>high-capacity NIMH cells. The cost is about the same as new batteries and
>>they'll have a higher capacity and no memory problems. Frankly, I can't
>>understand why Milwaukee doesn't use NIMH cells to begin with.
>
> ==================
> My Milwaukee drill is only a 14 v ...and I am not a heavy user either.
> although I did "loan" it out to my son who does construction work when
> his Big Yellow drill was in the shop for a month or so...
>
> BUT to be honest my drill has to be getting close to 10 years old and
> the batteries have never given me any hint of turning "south"... .
>
> No Clue on what type batteries it uses...
>
> Bob G


Milwaukee is coming out with a 28 V lithium ion battery and several new
tools which will take advantage of the higher voltage. Their web site says
the tools are about a month away from being available.

JB

"Jim Bailey"

in reply to "ole" on 07/01/2005 4:30 PM

26/01/2005 12:50 AM

Jeff - where do you get that done ?


> hardly take a charge anymore. I'm looking into having them rebuilt with
> high-capacity NIMH cells. The cost is about the same as new batteries and
> they'll have a higher capacity and no memory problems. Frankly, I can't

JP

"Jeff P."

in reply to "ole" on 07/01/2005 4:30 PM

24/01/2005 8:30 PM

I'm not showing the original post here but I assume that it's about
Milwaukee batteries dieing a premature death. I've had exactly the same
problem. I use my cordless tools on a regular basis but I'm far from a
heavy user. My batteries are probably about 18 months old also and they
hardly take a charge anymore. I'm looking into having them rebuilt with
high-capacity NIMH cells. The cost is about the same as new batteries and
they'll have a higher capacity and no memory problems. Frankly, I can't
understand why Milwaukee doesn't use NIMH cells to begin with.

--
Jeff P.

"A ship carrying blue paint collided with a ship carrying red paint. The
crew are believed to be marooned."

Check out my woodshop at: www.sawdustcentral.com


"Glenn O. Scott" <[email protected]> wrote in message
news:[email protected]...
> What is your usage profile? These batteries should be good for about
300-400
> recharge cycles. If you are in the trades and using them daily for
several
> hours then 18 months is not at all unreasonable. If you are using them in
your
> shop a couple of times a week a weeks for an hour or two then you should
be
> concerned.
>
> I have been selling Milwaukee tools/batteries for several years and
frankly,
> outside of Makita, I have seen fewer complaints of Milwaukee battery tools
than
> just about any other brand. Dewault seems to be the worst for customer
> satisfaction and Milwaukee and Makita are about the best so I am a bit
> surprised about you post.
> G O Scott, Flyfisher


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