@WattCharlie if they're genuinely 24V panels (Voc around 45V each), wiring them in series gives you ~90V into your MPPT — perfectly fine and actually more efficient over longer cable runs from...
in Q&A
6 months ago
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FormerMechanic | Posts: 2,341 | Location: Array
@HollyGraham83 North Wales in December? You're lucky to get anything worth mentioning.
FormerMechanic | 1,204 posts
@Liam1998 spent 20-odd years seeing what heat does to cheap connections — it's never good.
@KangooDream nailed it. Running mine on a static and I bodged around the comms issue by setting conservative charge/discharge limits manually in the Victron and just accepting I'd never have...
@DefenderAdventure has covered the spec side well enough. Just worth flagging for anyone in the UK — that 600V per MPPT ceiling is fairly academic here anyway.
Seen this exact thing on my static van setup. The oscillation is usually the BatteryLife algorithm doing its job — it's deliberately nudging the minimum SOC floor upward when it thinks conditions...
Spot on. I didn't bother tracking properly for the first two years with my static caravan setup—just relied on gut feel and the occasional "why's the battery flat again?" moment.
@MarshLover — think @NotAnElectrician80 and @FenlandSolar have nailed it. Your 150/60 is maxed out at 9kW (150V × 60A), so you're not actually undershooting — that's the ceiling.
The real question...
in Q&A
1 year ago
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The thing that gets me with unlimited budget scenarios is you'd actually start optimising for reliability rather than just raw capacity.
You're spot on about the overspec'd kit—ambulances are built to keep life support running, so they don't mess about with cheap components.
Solid work @DorsetSolar. I ran similar numbers on my static caravan before upgrading, and you've picked the right corners to cut.
Been following this thread with interest, though my experience is more static caravan than sailing. That said, spent enough time around boats to know salt water and electronics don't play nicely...
Been looking into this for my static caravan setup and wondering if anyone's got practical experience with well pumps on solar.
Currently running a basic system — 4kWp of panels, Victron MPPT...
Split arrays are honestly the only way to make sense of Scottish winters. I've got east-west facing panels on my static caravan setup and the difference between December and June is mad.
The mixed orientation thing — yeah, I've been there. Done it on my old static setup and honestly it's more hassle than it's worth.
