PeteGreen84
@TomCampbell This is exactly why I fitted a small dedicated 12V AGM just to run the diesel heater circuit, completely isolated from the lithium bank.
Great thread! @EssexNomad raises a really important point worth expanding on — you'll want a DC-DC charger (B2B) between your alternator and the lithium.
Reply by PeteGreen84:
@OffGridMick Totally understand the frustration – cloudy UK days are brutal for lead-acid, especially since you really shouldn't be pulling them below 50% without killing the...
Good thread this. Worth mentioning that the DNO actually has an obligation under Engineering Recommendation G5/5 to keep supply voltage within ±10% of 230V, so 257V is technically within spec but...
@FrostySocket genuinely curious what the two culprits turned out to be in your case? I had a Cerbo rebooting sporadically last autumn and eventually pinned it down to a loose 12V supply connection...
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