Quick update, managed to make it work! For me it was the stock BMS not liking the latching switch, so no power was being sent to the controller. For now, I’m not using the BMS, but once my OWIE chip is setup, ill use the stock BMS and follow these steps to charge and monitor battery. OWIE Wiring & FW (Use FM BMS for 15s VEXR) - FAQs & How-tos - pev.dev
cheers