Ryland,
I'm impressed with a 33 year old EV. That is great. I'm glad to hear you've had good luck with the Lithium cells too. I wanted to convert my midget 10 years ago, but the reports about lithium cells were bad then. I've heard that it wasn't true, just people who didn't realize how to charge them properly speaking up. My garage is insulated and never drops below 40 degrees at night so I haven't had issues charging in the winter. If you're in a cold environment, insulated battery packs and heaters are probably required. I only run into issues when I'm at work all day and the temperature is below 25 degF when I leave. I've now learned to be careful when accelerating under those conditions. The BMS throws a fault, and to clear it I need to turn off the car and then turn it back on all while coasting.
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