Show off your tools!

[John Young]

a 1000 Ah at 48V? Yikes, that's a battery or 2 all right....

I am trying to decide what to do about a replacment. I have one quote from a commercial place but it is a bit out of the ballpark. I see used batteries on FB but am a little worried about it. There are batteries from China but again... I've also heard that it is possible to replace individual cells. Lots to learn. Any advice would be gratefully accepted.

 

[e9999]

I tend to think that -unfortunately- batteries for high power equipment are inherently a problematic and costly approach. Especially without good electronics to protect them from overdischarge.
But, anyway, yes I would be wary of used ones unless I could test them, but that is either a lengthy process or for the rapid tests, not very accurate.
I assume yours are FLA? If so, what do you mean by "cells"?

 

[Waorani]

My standup needs a new 24v battery. Charging only gets you about 15min use. Forklift batteries are crazy expensive. Bought a damaged surplus standup just to get the battery but it turned out to be too big for mine. Still have it and seems to be good so I may try to trade it in some place. Stripped some other motors, pump, hydraulic tank, etc and scrapped the rest getting more than I paid for it.

Lucked out on the other lift and has a good 48v battery with long life. Also was able to find the odd Chinese charger it uses still in the crate.

 

[e9999]

It kind of boggles my mind that this is one of the few applications where the much heavier Lead Acid batteries' weight is actually an advantage over the lithium ones, if they are used as counterweight.

 

[Waorani]

if they are used as counterweight.

Yes

 

[e9999]

can these things be lifted out by hand, or do you need a hoist?

 

[John Young]

can these things be lifted out by hand, or do you need a hoist?

If you are Captain America, maybe. As for me, no.

The 48V 765 24-85-19 battery for the Toyota 7FBCU25 forklift weighs around 2,904 lbs.

The battery is a Motive Power Lead Acid Battery with the following dimensions:
38.41 in x 29.81 in x 22.81 in
48 volts
765 amp hours
36.72 kWh

 

[e9999]

LOL. I was picturing a bunch of batteries linked together, just one big battery seems rather awkward actually, unless it's made of separate removable modules (maybe what you meant by cells above?). I have seen racks of much smaller batteries for forklifts being charged individually in warehouses but maybe those were lithium so much lighter. Yup, shipping a new one like yours may become somewhat of a costly issue...

So, yea, maybe I'd go with propane if I had to get one of those toys (still waiting for one as a birthday present, sadly)...

 

[John Young]

LOL. I was picturing a bunch of batteries linked together, just one big battery seems rather awkward actually, unless it's made of separate removable modules (maybe what you meant by cells above?). I have seen racks of much smaller batteries for forklifts being charged individually in warehouses but maybe those were lithium so much lighter. Yup, shipping a new one like yours may become somewhat of a costly issue...

So, yea, maybe I'd go with propane if I had to get one of those toys (still waiting for one as a birthday present, sadly)...

I was just measuring individual cells to see whether I could change out one or two cells. But it looks like multiples are questionable. But I'm headed back to Dubai tomorrow so this is the problem. I will address on my next trip!

 

[WarDamnEagle]

I was just measuring individual cells to see whether I could change out one or two cells. But it looks like multiples are questionable. But I'm headed back to Dubai tomorrow so this is the problem. I will address on my next trip!

I'm sure you can find a used one in Sharjah John.

 

[John Young]

I'm sure you can find a used one in Sharjah John.

I think I might have some trouble checking it in with the airline.

I do see forklift batteries for sale on FB locally. This one for example:

This has the wrong dimensions but looks like I eventually should be able to find a deal on a battery. @cruisermatt took a leaf out of each of the rear springs of my 70 pickup but I think the old boy should handle 2900 pounds on-road (hopefully).

 

[Waorani]

LOL. I was picturing a bunch of batteries linked together, just one big battery seems rather awkward actually, unless it's made of separate removable modules (maybe what you meant by cells above?). I have seen racks of much smaller batteries for forklifts being charged individually in warehouses but maybe those were lithium so much lighter. Yup, shipping a new one like yours may become somewhat of a costly issue...

So, yea, maybe I'd go with propane if I had to get one of those toys (still waiting for one as a birthday present, sadly)...

They're made up of individual 2 volt cells. This is a cheap Chinese battery and individual cells can actually be unhooked but most I've seen the cells are linked together by solid lead bars. I assume cells are put in the case and then the bars bonded on. I have cut bars, removed cells, threaded holes in the bars, amd attached short jumper cables to build smaller packs but that's not normally done.

I think I might have some trouble checking it in with the airline.

I do see forklift batteries for sale on FB locally. This one for example:
View attachment 3821744
This has the wrong dimensions but looks like I eventually should be able to find a deal on a battery. @cruisermatt took a leaf out of each of the rear springs of my 70 pickup but I think the old boy should handle 2900 pounds on-road (hopefully).

Didn't even think about FB but a quick check shows a forklift dealer about 50 mile from me that might have a battery for my standup lift.

 

[John Young]

The battery in my Toyota is of the molded bussbar type, but several of the cells are iffy. Thought about doing the bypass thing. Might try it on one cell just to see what happens but long term I think I want a new battery.

Yeah, FB has some strange things going on. Craigslist seems to have more or less died, and Ebay is ... well just unusable.

 

[Waorani]

How many kids these days have even seen a carpenter's saw, much less are actually able to use one? Heck, how many kid's fathers these days even have a handsaw?

 

[Waorani]

The battery in my Toyota is of the molded bussbar type, but several of the cells are iffy. Thought about doing the bypass thing. Might try it on one cell just to see what happens but long term I think I want a new battery.

Yeah, FB has some strange things going on. Craigslist seems to have more or less died, and Ebay is ... well just unusable.

I'm still able to get some stuff off ebay but they've so screwed up being able to search for something that it's almost useless. I have this vision of a bunch of foreign tech nerds that somehow think if I'm looking for a '55 Oldsmobile clock that I might just buy the '79 Camaro exhaust pipe they want to show me.

 

[KLF]

How many kids these days have even seen a carpenter's saw, much less are actually able to use one? Heck, how many kid's fathers these days even have a handsaw?

View attachment 3822132

I have an old Disston just like that, I've used it often, although it has been awhile.

 

[e9999]

I suppose the fused lead bars might give lower resistance, but dang, bolt-on leads is so much more versatile if you have a bunch of modules that can go bad individually. (Btw, there are bunches of vids on YT showing folks in Pakistan casting lead in place to replace electrodes etc on lead batteries, pretty neat and seems easy enough.)
I would think bypassing a cell or 2 would not be a big problem, like 46V instead of 48... A bunch though might tax your motors.

But one issue would be if you have some bad cells, that suggest the whole pack is on its way out. So do you want to throw money at it piecemeal? And at what point do you stop?

CL around here is alive and well, better than FB IMO.

I do use handsaws periodically myself, takes 10 secs to get it going vs minutes for the power saws.

 

[Skniper]

How many kids these days have even seen a carpenter's saw, much less are actually able to use one? Heck, how many kid's fathers these days even have a handsaw?

View attachment 3822132

I have a few of those, old ones. And an old curved tree hand saw w a broken wooden handle that absolutely rips! My old man learnt me up on those. They get used occasionally, but they really need to be de rusted and sharpened (restored).
How many would know how to make one glide through wood?

 

[knuckle47]

How many kids these days have even seen a carpenter's saw, much less are actually able to use one? Heck, how many kid's fathers these days even have a handsaw?

View attachment 3822132

At 72, I have not only seen many but used many… when the cordless saws first came out…. They were a Godsend….i have not used saws like these for over 2 decades

 

[KLF]

I remembered last night... in 1974, a bunch of us got together and built a 3-sided 12x16 Adirondak shelter up on the top of a big hill on the property owned by my church, in northern Baltimore County, MD. We built the entire thing without electricity, there were no cordless battery tools or generators back then. Ya, I got real familiar with using a hand saw, how to sharpen and set the teeth. I also learned very quickly how to swing a hammer.