Battery Chainsaw

Gecko

Gecko

Well-known member
Furniss said:
he said I will run cord out and you can use my drill, first Bosch (green stuff)
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Most Bosch tools range from 'ok - to - good', but not their corded drills.
They seem to be high speed armatures and high-ratio gear boxes. If you can keep the speed up, they keep working, but if you load them up and pull the revs down, the back EMF drops and the burn out very quickly.
 
S

Smiffy

Well-known member
Furniss said:
Seems a shame to have to chuck that gear for the sake of batteries.... its well made stuff - I have a couple of makita drills that have lost 2nd/3rd gear with presumably stripped plastic gears whereas the old Dewalt is metal.
Will do some digging to try find an adapter plate as people suggest.
There are other 36v format batteries I assume.
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I'm not sure about other 36v systems but two of your 18v Makita batteries would run them providing you could find an adapter
 
GazCro

GazCro

Well-known member
Ffs see how difficult it is to take a battery apart and put back together and if its workable swap the cells out for some new ones.
 
R

Russell

Well-known member
GazCro said:
Absolute worst case dismantle a battery and change the cells. You can probably get non branded batteries still but quality could be questionable
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I saw a vid where someone did that, upgraded to higher capacity cells too. I think they said you need a battery spot welder or it will bugger up the batteries.
Be interesting to know what they cost as I think some of my Makita batteries are going off a bit.
 
Furniss

Furniss

Well-known member
Russell said:
I saw a vid where someone did that, upgraded to higher capacity cells too. I think they said you need a battery spot welder or it will bugger up the batteries.
Be interesting to know what they cost as I think some of my Makita batteries are going off a bit.
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When you get it sussed i will send you mine 😉
 
V8Druid

V8Druid

do it as well as you can,but learn to do it better
Furniss said:
Seems a shame to have to chuck that gear for the sake of batteries.... its well made stuff - I have a couple of makita drills that have lost 2nd/3rd gear with presumably stripped plastic gears whereas the old Dewalt is metal.
Will do some digging to try find an adapter plate as people suggest.
There are other 36v format batteries I assume.
Click to expand...
or pull a dead one apart and source some cells to go in it? :unsure:
 
F

fred

Well-known member
Furniss said:
I have a load of old Dewalt 36v and I only have 2 batteries left working,other day I was drilling some 16mm holes 20cm deep through new oak and ran out of charge in them so asked customer to plug my charger in, don't bother he said I will run cord out and you can use my drill, first Bosch (green stuff)just made a noise and wouldn't turn thats funny he said il bring my new one and if this doesn't work they can have it back, so plugged in his new one and tried to continue the hole that was 3/4 of the way through and it just made a noise and smoked 🤣 so we charged a battery up for the Dewalt and away we went again, which leads me to believe the old gear may well be worth the expense of some new batteries, they are not easy to find and mostly out of stock , seems a shame because it's solid old kit..... any recommendations?

View attachment 32591
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Amazon.co.uk : dewalt battery adapter

www.amazon.co.uk
 
Gecko

Gecko

Well-known member
Russell said:
I saw a vid where someone did that, upgraded to higher capacity cells too. I think they said you need a battery spot welder or it will bugger up the batteries.
Be interesting to know what they cost as I think some of my Makita batteries are going off a bit.
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Spot welding puts a lot less heat into the cells than soldering so it's less likely to damage them (or explode!)

This is a 12 cell NiCd pack I converted to a 8 cell Li-Ion (2x4)
Not a bad upgrade as it went from 2Ah to 5Ah
1645897818208.png


Repacking a Li pack should be much easier.
 
Grahams

Grahams

Don't complain - suggest what's better
T

topkit

Well-known member
Here is my one and I can't fault it 58v battery giving it plenty of power, The charging unit is really good too. sorry i did'nt clean it before taking pictures!
 

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Rob65

Well-known member
I had the battery in an otherwise good off brand drill die. I could not get a replacement battery for it so thought I’d put new cells in it.

After some searching I found that I could buy a knock off Makita battery and strip the cells out of it to replace mine cheaper than I could buy the bare cells.
 
Gecko

Gecko

Well-known member
Rob65 said:
I could buy a knock off Makita battery and strip the cells out of it
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be aware many of the knock off's are loaded with 2nd hand or reject cells. Not saying you shouldn't buy them, just keep your expectations realistic.
It you don't like the capacity, you can reskin them to a number you like better!

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M

Mikey

Member
All this mention of Makita stuff, has anyone experience of the cut off saw? Been running Makita for years and can't fault them. Have a 2x18v sds, blasts through concrete and hard brick.
 
Shovelhands

Shovelhands

Well-known member
Mikey said:
All this mention of Makita stuff, has anyone experience of the cut off saw? Been running Makita for years and can't fault them. Have a 2x18v sds, blasts through concrete and hard brick.
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Do you mean the 230mm disc cutter?
D3749AD6-856C-4390-AC89-99B414D74901.jpeg
 
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