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You are currently reading a thread in /diy/ - Do It yourself

Thread replies: 24
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Hey have 66 lead acid batteries to play with, I'm thinking of making a shitty electric car. What would you do wit too many 12 volt battery.
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They were used as a backup power supply for a casino, maintained well enough. I
don't really know what I would do with so many
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>>920603
Bomb proof home backup system?
You probably use 5kw/day at most and assuming I lowball the batteries (50 usable batteries * 70 Ah * 12 V * .80 % efficency) you'd have around 35 kw of energy to use and I'm really lowballing this. You could use the rest to make a kickass car or a really strong welding setup. I'd talk to someone who does home backup/solar stuff.
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>>920601
I'd use it as part of an off the grid electrical system for my house (48v 1283.7aH in series-parallel ), until they died in around the 5 year old mark.

How old are they? They might be worth more just as scrap. If so you can make a DC stick welder out of them or a furnace. Make an electrical car or a few electrical gokarts. They'd be great for one of those solar-powered Elf vehicles/bicycle hybrid things. There's lots of plans online for similar vehicles.

https://www.youtube.com/watch?v=pQQzLMIXOJ0
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>>920613
>surviving five years with 66 12V batteries
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>>920601
Sell them. They work as car batteries.
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>>920601
Railgun.
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>>920628
Yes!! It'll launch I beams.
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>>920601
MaaaƦan. I have a5,5kW UPS with dead batteries. Been hunting for "new" ones. You are a lucky guy in my book!
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>>920601
>I'm thinking of making a shitty electric car

It will be. How much does each battery weigh?
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>>920732
About 60lbs I have a hella beat up Mazda 6 with a blown head gasket in my driveway I'll pull apart. I'm sure weight and steering will suck ass
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>>920616
>surviving five years with 66 12V batteries

What? Most car batteries only last about 5 years before a cell goes bad and they won't hold a proper charge. It is the #1 reason I don't have a battery bank. The cost of better non-lead acid batteries is so prohibitive that it'd take 20 years for them to pay for themselves in energy savings. And lead acid batteries just suck for longevity so they end up costing as much or more in the long run to replace frequently.
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>>920849
Fortunately for me they can be rebuilt if bad and are totally free. As far as I know they are only a couple of years old at most, the casino swaps these out at a pretty ridiculous pace... I think the buses they have get there batteries replaced two or three times a year and the golf cars have there lithium batteries swapped annually.
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>>920601
Make a bunch of electric go-karts instead.
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>>920897
Sound like fun :)
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>>920893

>rebuilt

The other cells are usually not that far behind foot the time and effort to make any sense.

That is why they dump them so frequently because it is not operationally feasible.

Scrap them
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>>920601
Make a high voltage hot wire around your property.
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>>920897
>>920910
Are you kidding? It'd be awesome.
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>>920601
More useful sold as scrap for lead.
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>>920601
>What would you do wit too many 12 volt battery.
bust the cases open, dump the acid down the sewer, and turn the lead in to a metal recycler
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>>920817
It would be infinitely cheaper and easier to replace the Head gasket on that car. Hell, you could then sale the mazda to pay for your project.
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>800 volt arc maker
>5100 amp hour stuff melter
>backup house power
>extraordinarily heavy electric car
>use them to make the ultimate retarded high output hydrogen generator kingofrandom style then make a hydrogen powered car
>free ~$660 if you sell them
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>>921204
>infinitely
i don't think that word means what you think it means.jpg
Thread replies: 24
Thread images: 6

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