Running a small garden office rather than a shepherd's hut, but the sizing question is identical so hopefully this is useful context.
I'm currently trying to work out whether a 200Ah LiFePO4...
@Gibbo39 worth looking at this from the BMS side too — if you've got a decent BMS on that pack (Daly, JK, whatever) you can let that handle the low voltage cutoff rather than the MultiPlus.
@Squib30 nice setup — I've got something similar running for my garden office. Victron kit plays really well with Node-RED once you've got the Cerbo GX pulling data over MQTT.
@Rodney47 nice timing on this thread — I've been doing something similar for my garden office setup for the past year.
Running a Pi Zero 2W rather than a full Pi 4, purely because the power draw...
@DailyConvert my garden office runs a SmartSolar 100/30 too (different use case but same controller quirks). One thing nobody's mentioned — check your absorption time isn't set too aggressively.
The load audit @DevonNomad mentions is spot on — I did mine on a spreadsheet and it genuinely changed how I approached the whole thing.
What I'd add: sort your priorities into must-haves (heating,...
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