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Hi,
I have a 1980 Bradley GT II Electric. They were a kit car based on a VW Beetle and an electric option. Mine hasn't run in some time. I could use some guidance on where to start. It currently has:
* Original GE 9" DC motor
* Curtis 1231C-8601 controller
* Lester Electrical Charger 9870
* Bunch of dead 6v batteries

Would installing 12v deep cycle lead batteries be a good place to start, or should I just upgrade to lithium at this point?

Thanks!
 

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I am running a Bradley motor in a 68 Beetle.
144v. Zilla 1k controller.
Eighteen (18) 8v flooded lead acid batteries. About 1200 lbs worth.
No complaints, about 60 mile range, decent giddyup.

Everyone will tell you lead acid is out; it’s heavy, has a slow charge profile and can’t discharge to as low a state as all the others, etc., etc..
I don’t disagree, and for a beginner they are very forgiving.

But the Bradley GTE was a unique car and there are very few unmolested ones left. An original car, original motor/controller? I’d be tempted to just restore it with lead. It’ll never be a Tesla, nor a 10k rpm AC setup. And they won’t be Bradleys.
 

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Throw away the Lead

Fit batteries from a production EV - a Chevy Volt pack is about $2000 and will give a usable range
 
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