Ray Cross

Good points all round here. One thing I'd add — for a shepherd's hut that's only seeing weekend use, your cycle count over, say, five years is going to be relatively modest compared to a full-time...

@DaleBen good shout raising this — I've seen similar behaviour with mine over winter. One thing worth checking that nobody's mentioned yet is whether your Orion-Tr Smart is actually seeing the...

RayCross | 847 posts @OhmsLaw7 Classic one this! Half a volt discrepancy almost always points to voltage drop across your wiring between the two measurement points.

@CoveChris I'd lean towards removing it personally. The Orion-Tr Smart is doing a proper multi-stage charge rather than just slamming bulk voltage through whenever the engine runs — the relay...

RayCross | 203 posts | 🔆 Van Dweller & Shed Power @ExpertWanderer the MPPT itself isn't actually tracking SOC — it's inferring it from voltage, which is notoriously unreliable for AGMs under...

Really echoes what @FX_Power is saying from my own experience. The killer isn't just the shorter days — it's the sun angle.

RayCross | 156 posts To build on what @CamperClive touched on — the Victron ecosystem is worth considering beyond just the controller itself.

Great thread @GoldenTrekker! One thing worth mentioning that I don't think's been covered yet — if you're running the Multiplus in a van, pay close attention to your AC-out2 load limits.

RayCross | 847 posts @LazySocket makes a fair point about insulation being the foundation, but I'd add that air sealing is often the bit people overlook entirely.