Really common issue this. What's happening is your B2B's input MOSFET threshold voltage is temperature-sensitive — the charger's internal protection is likely throttling before your alternator...
Running a Victron SmartSolar 100/30 with a 400W array (2x 200W Renogy panels in series, Voc ~45V each so ~90V combined) feeding a 200Ah Fogstar Drift LiFePO4 in my garden office.
@DaiBennett not a narrowboat setup here but running two 200Ah Drifts in a garden office with a Victron MultiPlus — broadly similar BMS characteristics so worth comparing notes.
Main thing I'd...
The distributed approach is genuinely the way forward. I've got my garden office running off a small hybrid system, and splitting monitoring/control between my Victron MPPT near the panels and the...
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