Hello,
OK, I've been searching this list, and frankly I'm overwhelmed. So,
I'm going to state my information and hope that you folks won't be too
upset for my taking up the bandwidth.
I have a 1979 Jet ElectraVan daily driver. I have been replacing the
lead acid batteries from time to time for years and since the pack has
failed again it is now time to move to lithiums. Yes, I am a member of
the ev60...@listserv.tcu.edu mail list.
Some basic information:
Pack: 102V, 17 X 6V @ 125Ah, ~12KWh
Controller: 144V @ 500A Open Revolt
Motor: Series wound Ge 20Hp 90V
SOC: Proprietary original analog based on voltage
BMS: None. Balanced by overcharge
Charger: Original Leslie transformer based
I need to change the pack, BMS, charger, and SOC indicator. Since this
is an old unrestored car, I would like to keep the upgrade as simple
and close to original as possible. In other words, I really don't want
the car controlled by phone apps. If I have a cell failure, I don't
need to immediately know which cell, I can open the battery box and
look for it. I have electronic and microprocessor experience so I
don't mind building some things. Of course, I would be happy with
increased range, and lighter weight as well.
Probably the first thing I need to look at are the alternatives for the
pack. Reclaimed commercial EV packs, or new cells? What are the
cooling considerations?
Thanks,
Mike
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