Battery Chainsaw

[fred]

errr ...
32A from a 56V 54V battery gives you 1792W 1728W to play with.
If the saw runs two batteries in series, that'd be 32A at 112V 108V giving 3584W 3456W
16A 13A from 240V outlet provides 3840W 3120W

How much power can you pull from a 110V transformer?
(we don't use 110V downunder)

not accounting for peak. ask a chippy who uses one for cut roofing they will tell you same. More power at blade than the mains.

 

[Lancs Lad]

I'm not disputing a modern battery chopsaws performance. The simple fact is no mains powered power tool has seen any development for about 15 years now since manufacturers decided cordless was the way to go. In just trying to point out batteries aren't mini nuclear power plants that some on here seem to think they are. Like you say on a high load application run time is still an issue.

Welcome to the nuclear family

 

[Grahams]

I didn’t know nuclear batteries were even real, but turns out they are. They have made pacemakers with nuclear power back in the 70’s to stop having to operate to change the batteries and the Russians powered remote light houses in the arctic with them. Looks an ideal off grid power source. I’d happily have one in my garage and tell the utility companies where to go.

 

[JD450A]

I’d happily have one in my garage and tell the utility companies where to go.

We best go on a trip to Serbia, loads of "thermal batteries" are abandoned in Former Stalin Land.

 

[Furniss]

Arrived today
With 35cm blade 2 x 6ah batteries and double charger = £290

Cheers for recommendations... will see how it performs shortly.

 

[sandy2210]

Good price where was that from furniss look

 

[Furniss]

Good price where was that from furniss look

Might not work for you

It was from racetools.fr
Pro account and 350€ + vat

 

[Shovelhands]

Might not work for you

It was from racetools.fr
Pro account and 350€ + vat

You pay over half that (£290) for a pair of 6Ah batteries. The double charger is 65-75 too. I’d say you’ve done very well indeed!

 

[V8Druid]

You pay over half that (£290) for a pair of 6Ah batteries. The double charger is 65-75 too. I’d say you’ve done very well indeed!

I should smile

 

[Shovelhands]

I should smile

Go for it, it doesn’t hurt a bit….

 

[V8Druid]

Go for it, it doesn’t hurt a bit….

as you know, I'm not a huge fan of battery stuff, but have to admit to being seriously tempted at that sort of price for the full caboodle .... shame about the other 60 quid in VAT

 

[Furniss]

Had an hour tonight with chainsaw and it's very decent .... run time would be an issue if you went off down the fields but when you've just bits and pieces to do nice and quietly its spot on and as long as it lasts, I find the no tools chain tension dead handy.

 

[GazCro]

Had an hour tonight with chainsaw and it's very decent .... run time would be an issue if you went off down the fields but when you've just bits and pieces to do nice and quietly its spot on and as long as it lasts, I find the no tools chain tension dead handy.

Handy you've posted this, been using mine today and I've left it outside better go get it

 

[V8Druid]

Had an hour tonight with chainsaw and it's very decent .... run time would be an issue if you went off down the fields but when you've just bits and pieces to do nice and quietly its spot on and as long as it lasts, I find the no tools chain tension dead handy.

Ive had a corded one years and yeh .. very convenient

 

[Furniss]

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?

 

[V8Druid]

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

and therein lies the problem with battery powered gear .... battery supply ... the gear may last but the power sources don't
@doobin ???

 

[Smiffy]

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

I'm sure you will find a battery adapter somewhere to convert to a more readily battery platform

 

[GazCro]

Absolute worst case dismantle a battery and change the cells. You can probably get non branded batteries still but quality could be questionable

 

[doobin]

and therein lies the problem with battery powered gear .... battery supply ... the gear may last but the power sources don't
@doobin ???

Can't find any knock off batteries for that system on eBay I'm afraid. Looks like it's a battery system that's become obsolete- a bit like VHS!

How old are those tools? The Makita 18v system is much more popular and has been around for probably two decades now, they give 36v simply by pairing two batteries which is a neat way to do it for power hungry gear. Can't see the supply of knock off batteries for those drying up any time soon. GOing by the prices being asked for second hand genuine Dewalt 36v batteries, if I had a 3d printer and the skills I'd be looking to manufacture and sell an adaptor plate as someone else mentioned.

As an aside, battery drills generally give much more torque (but less speed) than their mains powered equivalents. So you can't just say your ancient drill is still way better than a modern mains drill. Either a modern cordless or a mains high torque drill will most likely be much better. You could just as easily say that your Dewalt is crap for drilling 4mm holes in steel plate as 'it's so slow'.

Probably time to upgrade?

 

[Furniss]

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.