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Author Topic: Rebuilding 18 volt batteries for cordless tools.  (Read 6265 times)

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Offline r.man

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Re: Rebuilding 18 volt batteries for cordless tools.
« Reply #20 on: November 12, 2015, 07:36:35 am »
One interesting thing I can say about older Dewalts is that the 12 volt batteries will fit in the 9.6 drill, although you have to give the battery a firm hit to make it go in.  The drill works about the same as with a 9.6. I was looking at the fit of an 18 volt battery in a 12 volt drill and I expect if a plastic shoulder was removed from the battery that it would work. My wife jump started her E-reader that wouldn't take a charge. Used a 9 volt battery and a paper clip for a brief jolt. Sounded like the charging system didn't recognize the battery because it was so dead.
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Offline LeeB

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Re: Rebuilding 18 volt batteries for cordless tools.
« Reply #21 on: November 13, 2015, 01:51:34 am »
My SIL hooks up his 18V stuff to a car battery all time. May run a little slower but runs just the same.
'98 LT40HDD/Lombardini, Case 580L, Cat D4C, Ford 851 tractor, JD 3032 tractor, Husky 346, 372 and 562XP's. Stihl MS180 and MS361, 1998 and 2006 3/4 Ton and 2005 1 ton Dodge 5.9 Cummins 4x4's, 1989 Dodge D100 w/ 318, and a 1966 Chevy C60 w/ dump bed.

Online John Mc

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Re: Rebuilding 18 volt batteries for cordless tools.
« Reply #22 on: November 15, 2015, 08:35:30 pm »
Ordinary Lithium Ion batteries shouldn't be charged in temperatures is below freezing. Doing so will cause a metallic barrier to form inside the cells, greatly decreasing the life of the battery.

That's a point I didn't know.
If the only tool you have is a hammer, you tend to see every problem as a nail.   - Abraham Maslow

Offline Brucer

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Re: Rebuilding 18 volt batteries for cordless tools.
« Reply #23 on: November 15, 2015, 10:19:39 pm »
Well most of the time we'd probably keep the charger in the house or the shop, so it wouldn't be an issue. I have been known to charge batteries in my unheated garage (but not in winter).

I did some research last year on Ni-Cad versus Lithium Ion batteries. The head of the tool department at the local building supply store was telling me stuff about Ni-Cads that I knew was complete nonsense.  :P It turns out that what he was telling me about Lithium Ion batteries was complete nonsense as well ::).
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Offline Dave Shepard

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Re: Rebuilding 18 volt batteries for cordless tools.
« Reply #24 on: November 30, 2015, 07:12:42 pm »
I haven't found a company that will rebuild my old batteries, but have been doing a lot of research into Milwaukee's Fuel line of 18 volt tools. I will only be buying Fuel tools from now on. I have a hatred for power cords, and have always wanted cordless tools that would rival the corded versions. The Fuel tools do that, from everything I've seen, which is multiple reviews and videos from different sources. I have the 1/2" Fuel impact wrench, and I believe it will completely eliminate the need for my air impact, which was no slouch. Battery technology is advancing very fast. You can already get 5.0 ah batteries, and in January, Milwaukee is introducing 6.0 and 9.0 versions as well. So the relevance to the thread is that with enough different tools in the M18 line, I plan on adding 7 1/4" circ saw and sawzall, fairly soon, I figure that having to spend a certain amount of money on batteries per year, (or every few years and spreading it out to a yearly value), is probably reasonable in comparison to the amount that I will be using these tools. Not having to have a generator, cords etc. has a petty significant value as well.
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Online John Mc

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Re: Rebuilding 18 volt batteries for cordless tools.
« Reply #25 on: November 30, 2015, 08:19:17 pm »
I've got the Milwaukee M18 Fuel Sawzall and 1/2" Hammer Drill/Driver. I have their compact impact driver on order. They are GREAT tools. The "M18 Fuel" versions of their tools are significantly better than the plain "M18" tools (without the "Fuel" in the name).
If the only tool you have is a hammer, you tend to see every problem as a nail.   - Abraham Maslow

Offline Dave Shepard

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Re: Rebuilding 18 volt batteries for cordless tools.
« Reply #26 on: November 30, 2015, 08:33:32 pm »
Did you order the new 2753 impact driver? It looks really impressive. I'll probably be getting the gen 2 hammer drill/impact set this winter.
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Online John Mc

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Re: Rebuilding 18 volt batteries for cordless tools.
« Reply #27 on: November 30, 2015, 08:44:01 pm »
Yep, the 2753. Interested to try the self tapping screw mode. Ordered the bare tool. Waiting for the higher capacity batteries to come out - I have enough of the 3 and 4.0 batteries.
If the only tool you have is a hammer, you tend to see every problem as a nail.   - Abraham Maslow

Offline Dave Shepard

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Re: Rebuilding 18 volt batteries for cordless tools.
« Reply #28 on: December 09, 2015, 05:54:59 pm »
I just picked up the 2nd gen hammer drill, impact set with two 5.0 batteries, and the 2731 7 1/4" saw. The saw will get used tomorrow. Looking forward to not tripping over a cord. ;D
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Offline Jim_Rogers

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Re: Rebuilding 18 volt batteries for cordless tools.
« Reply #29 on: December 09, 2015, 07:50:44 pm »
post some pictures of these tools. Please?

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Online John Mc

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Re: Rebuilding 18 volt batteries for cordless tools.
« Reply #30 on: December 09, 2015, 08:59:59 pm »
Jim -

You can find some info on the tools on Milwaukee's web site Milwaukee M18 cordless tools
If the only tool you have is a hammer, you tend to see every problem as a nail.   - Abraham Maslow

Offline Brucer

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Re: Rebuilding 18 volt batteries for cordless tools.
« Reply #31 on: December 09, 2015, 10:50:33 pm »
I'm really curious to see how the cordless circular saw works out. My boss owned one when I worked for him 11 years ago. It would give us a dozen or so cuts in 1x8 lumber before the battery would die. Would barely get started in a piece of 2" lumber before it would stall out :(.

Higher voltage and better battery technology may make a circular saw feasible.
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Online John Mc

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Re: Rebuilding 18 volt batteries for cordless tools.
« Reply #32 on: December 09, 2015, 10:56:56 pm »
I read a tool review a while back, and the Milwaukee 6 1/2" circular saw got very good reviews. The only complaint was that it was not a 7 1/4" saw - which they've now come out with.

I owned one of their 6 1/2" circular saws with the older NiCad batteries. It cut fairly well when the batteries were in good condition. The new lithium batteries last much longer, and they have higher capacity batteries out now.

For the best performance and battery life, you want the "M18 Fuel" tools. The plain "M18" tools are pretty good, but the "Fuel" version is noticeably better.
If the only tool you have is a hammer, you tend to see every problem as a nail.   - Abraham Maslow

Offline Kbeitz

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Re: Rebuilding 18 volt batteries for cordless tools.
« Reply #33 on: December 10, 2015, 12:12:07 am »
A little off topic but last week I was in an Amish store and was looking at
air powered saws and drills. They even had air powered sawsalls.
Collector and builder of many things.
I have a
machine shop
Wood work shop
And a Weld shop
And now a saw mill
and a bunch of new forum friends.

Offline Dave Shepard

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Re: Rebuilding 18 volt batteries for cordless tools.
« Reply #34 on: December 10, 2015, 08:01:31 am »
The reviews I've seen for the M18 7 1/4" saw show that it will cut well over 200 2x4s or almost 300 feet of osb with a 4.0 battery. I have two 5.0 batteries with the drill kit, so I don't think I will run out of juice working alone. With a spare battery on the charger, should be able to work continuously. I tried it with a 3.0 last night, and it cut great, but you could get it to overload and shut off if you really pushed it. I think a bigger battery may provide more juice, and keep it from shutting off.
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Re: Rebuilding 18 volt batteries for cordless tools.
« Reply #35 on: December 11, 2015, 01:43:44 pm »
Experimented a little last night with the saw. 25 cuts in white pine full 2x8 got the battery gauge to drop down to three bulbs. That's 400 square inches on about a quarter battery (5.0ah). Reviews say 230 to 260 cut in 2x4 (1,300"2, roughly with 3.0ah). That's pretty impressive.

Just tried the 2753 impact. It's really fast. You have to push down just so the screw doesn't drive itself off the bit. :D
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Re: Rebuilding 18 volt batteries for cordless tools.
« Reply #36 on: December 11, 2015, 02:31:14 pm »
My 2753 impact was delayed when they shipped me the wrong tool. It may be a while before I get to test it, since it's a Christmas present from my wife (surprise!)
If the only tool you have is a hammer, you tend to see every problem as a nail.   - Abraham Maslow

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Re: Rebuilding 18 volt batteries for cordless tools.
« Reply #37 on: December 14, 2015, 11:02:10 am »
I've been using the 2704 drill from the kit today to bore peg holes. I'm blown away at the power. It will run a 7/8" ship auger through larch on high like butter. My older M18 drills just don't run a ship auger.
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Offline Dave Shepard

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Re: Rebuilding 18 volt batteries for cordless tools.
« Reply #38 on: May 21, 2016, 08:00:14 am »
I've had half a year using my Fuel tools, and I am very impressed. We end trimmed all of the roofing before installing, trimmed all the boards on the roof after installation, cut all of the bracing boards, and a few other miscellaneous things, and still have some charge left on one 5.0 battery. I'd say cordless saws have come a long way. My friend has been using his original M18 drill to screw the roof down, and it's slow, and eats up batteries like John Pinette at a Chinese buffet. :D

 

 
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Offline LeeB

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Re: Rebuilding 18 volt batteries for cordless tools.
« Reply #39 on: May 21, 2016, 08:37:17 am »
Use the 1/4" impact for driving screws. You'll never use a drill again.
'98 LT40HDD/Lombardini, Case 580L, Cat D4C, Ford 851 tractor, JD 3032 tractor, Husky 346, 372 and 562XP's. Stihl MS180 and MS361, 1998 and 2006 3/4 Ton and 2005 1 ton Dodge 5.9 Cummins 4x4's, 1989 Dodge D100 w/ 318, and a 1966 Chevy C60 w/ dump bed.