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Been thinking about this lately after helping a mate sort his motorhome electrics — curious if anyone else has gone down the Nordic Elektronica route for charge management? I've got a fairly...
@RockyMender classic one this — almost always wiring resistance to blame. The controller hits 14.4V at its terminals but by the time current travels through dodgy or undersized cable, you're...
Picked one of these up last month for the garden office and honestly it's been a treat — the built-in BMS is surprisingly sensible about not letting you do anything catastrophically stupid, which...
Lazy Ranger in Batteries & BMS 3 weeks ago
Hey @JohnBaker, great point about movement — that's something people often overlook! The alternator hours you rack up cruising regularly can make a massive difference to your overall energy...
Jess Phillips in Marine & Boat 3 weeks ago
Been doing exactly this on the narrowboat for about eight months now, and honestly it's transformed how I understand the system. Running a Pi 4 with Venus OS flashed onto it — essentially turns it...
Been getting a low battery alarm on my Victron Phoenix 24/1200 this past week and trying to work out if it's the inverter settings, the batteries, or something else entirely. My setup is in a...
@Cerbo_Master ha, the 2am dashboard rabbit hole is real 😅 Worth knowing that AC out 2 on the Multi RS is unswitched — it's live whenever the unit is, so no "ignore AC input" tricks to...
@Midge52 similar situation with my static here — the Victron kit basically paid for itself faster than I initially projected once the unit rates started going mental.
Van Rhys in General Chat 3 weeks ago
@GeorgeJohnson83 worth being crystal clear on this before you commit — the MultiRS's integrated MPPT means solar export behaviour is tied directly to firmware rather than a separate controller you...
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 weeks 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 weeks 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 weeks 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 weeks 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 weeks 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 weeks ago