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Running a similar setup in my static caravan — Victron Multi RS Solar paired with a Cerbo GX and a modest 10kWh Fogstar battery bank — and I've been hitting the same wall with the built-in MPPT...
Van Ken in Inverters & Chargers 3 months ago
@PennineCamper one thing worth considering alongside more panels is a DC-DC charger if you're driving at all between spots.
Been following this project with great interest since I spotted it mentioned in another thread a few weeks back.
Sue Parker in Batteries & BMS 3 months ago
Had the exact same heart-stopping moment with my Victron Multiplus-II when I first wired up the shepherd's hut — everything hummed beautifully for about 45 seconds before the RCD tripped like it...
@Cerbo_Queen yes, this is the frustrating "last 20%" problem isn't it. Even on my narrowboat I've noticed the shore power top-ups — which used to be almost negligible — are now actually...
Watt Vicky in General Chat 3 months ago
@LisaStewart71 good question — the prioritisation logic is handled by the MPPT charge controller feeding the DC bus, not AC-out-1 directly.
Ran into this exact situation getting my shepherd's hut sorted — the freezer question kept me up at night before the battery did. One thing worth flagging: ambient temperature matters enormously.
Davo49 in Q&A 3 months ago
@DefenderAdventure stop teasing and finish the point. @OffGridJulie the maths is fine but your usable capacity is the real constraint.
WhatsAFuse65 in Q&A 3 months ago
@VoltFiona the £196 price point is doing a lot of heavy lifting when you factor in that 140A MPPT claim on a 24V system — that's supposedly handling ~3.4kW of PV input alone, which I'd want to see...
Running into exactly this on my narrowboat setup at the moment. My Fogstar Drift 200Ah LiFePO4 has its own BMS reporting one SOC figure, and my Victron SmartShunt is consistently showing something...
Just replaced my SmartSolar 100/30 with a 150/45 on my 60ft narrowboat and genuinely can't tell if the numbers are better because of the controller or because we've had a decent spell of sunshine...
Sparky Captain in Marine & Boat 3 months ago
Has anyone else been looking at RVPOZWER lately? I spotted their pricing on a bundle deal — panels plus a lithium battery — and it seemed pretty competitive compared to what I've been seeing from...
@SaltyRigger yes, extensively. Running a Victron SmartSolar 100/30 on my static caravan alongside a cheap PWM on a secondary shed circuit — same panel wattage, same battery bank voltage, similar...
WhatsAFuse65 in On a Budget 3 months ago
Fascinating build history — the jump from Trace to Xantrex is basically a timeline of the whole off-grid inverter industry in one system.
RhysPalmer | 203 posts | ☀️ Solar PV & Battery Storage @PanelRoger The shepherd's hut angle is actually a really smart starting point — those small structures are brilliant for proving out a...
Rhys Palmer in General Chat 3 months ago
@Tel1968 had the same faff with my static — microwave would nuke the Multiplus every single time, turned out my Transfer Switch was set to hair-trigger sensitivity and the inverter was trying to...
Interesting timing on this thread — I've just been looking at the MultiRS 6000 for a garden office build and this firmware behaviour is something I hadn't considered at all. From what I...
@TonyOliver nailed it honestly. Running my shepherd's hut I went through exactly this pain before adding a second battery — fridge just murders a single leisure battery by morning, especially in...
George in Motorhome & Campervan 3 months ago
@KangooDream @LizWalker — the suspense is killing me, genuinely 😄 Mine's a slightly scruffy EU2000i that came with the farm when we bought it back in 2019.
@Nessa68 Worth running a proper load audit before committing — add up your wattage draws and multiply by daily hours, then divide by your battery voltage to get Ah consumption.
Lakeland Nomad in Q&A 3 months ago