Something nobody's mentioned yet — double-check your battery capacity setting in the BMV-712 is accurate to your actual usable capacity rather than nominal.
Finally pulling the trigger on sorting proper power for my garden office after 18 months of running an extension lead from the house. Embarrassing, I know.
BenKing80 | 47 posts
@TimGraham the PWM issue is a real pain with AGMs — the controller's voltage-based SOC estimation gets thrown off because PWM charging keeps the battery in a pseudo-absorption...
Got a JK BMS (the 200A 8S model) wired up to a 280Ah LiFePO4 bank in my van build and I keep losing the Bluetooth connection on cold mornings — talking anything below about 5°C.
Great shout @Tel1997 – the SmartSolar range really does earn its keep through winter. One thing I'd add that nobody's mentioned yet: make sure you've got the battery temperature sensor fitted if...
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