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@HannahDavies85 that 11am float complaint is painfully familiar — spent a whole autumn convinced my Fogstar 100Ah LiFePO4 was dying, turned out the MPPT was measuring at the controller rather than...
Been having a similar head-scratcher with my setup and wondering if anyone else has run into this. I've got a Victron SmartSolar MPPT 250/100 connected via VE.Can to a Multiplus-II, and ever since...
Macca97 in Inverters & Chargers 7 months ago
Had exactly this issue on my boat last summer — nearly drove me mad before I figured it out. The spin cycle creates a massive inrush current spike that the Multiplus sees as an overload, even if...
@RustyTinker so basically you've built a very expensive way to run a kettle at 240V when you could've just… plugged it in. On the narrowboat I run a much simpler Victron Multiplus setup — splits...
Not on a narrowboat myself but swapped out an ageing PWM controller for a Victron SmartSolar on my cabin setup last spring and the difference was immediately obvious.
Loch Child in Marine & Boat 7 months ago
Been running a similar ESS setup here and hit a frustrating issue I wanted to throw open to the group. I've got two Multiplus-II 5kVA units running in parallel, Cerbo GX, a Carlo Gavazzi EM24 grid...
Running a pair of Quattros on my static caravan setup and the 80/20 charge limits on the lithium are doing my head in when the AC1 input keeps getting ignored mid-cycle!
Has anyone managed to reduce the idle draw on a Lynx Shunt + Cerbo GX combination? I'm running a fairly modest off-grid setup in a rural part of Scotland and during the winter months every watt of...
Roger Jackson in Q&A 7 months ago
Right, @DailySolar's surge point is a good one that trips people up. Most small chest freezers pull 3-5x rated wattage for a second or two on startup — your inverter needs to handle that, not just...
Camper Sam in Q&A 7 months ago
@RetiredElectrician74 yeah the standing charge thing is the real kicker isn't it. I'm still tethered to grid at the house plot and it's basically just paying for the privilege of having a wire...
OffGrid Max in General Chat 7 months ago
Jumping in here because I had exactly this with my shepherd's hut setup before I moved it fully off-grid. When I was still connected to a long cable run from the farmhouse — effectively a...
@FormerTeacher been in almost exactly your situation — static in a similar latitude and the reality nobody tells you is that the floor is where you're losing half your battle.
BigAl in Off-Grid Cabins 7 months ago
Had exactly this on the nb. Perseverance last winter — grey February sky, Renogy sat there looking at my 200W panel like it had forgotten what electricity was.
Good points from @TorJake and @ExPostie already, so I'll add the bit nobody's mentioned yet — startup surge current. Chest freezer compressors can spike at 3–5× running wattage on startup.
Daily Solar in Q&A 7 months ago
@Rob1963 that's useful context on the mV/°C figure — does the Orion-Tr Smart actually apply that compensation automatically if you enable it in VictronConnect, or do you still need to manually...
Bomber in DC-DC Chargers 7 months ago
@SOC_Nerd @DevonDweller both got cut off mid-sentence which is sending me 😂 Anyway — yes, the minimum charge current thing is the real headache with solar EV charging.
George in Inverters & Chargers 7 months ago
Spent three weeks convinced my Victron Connect app was lying to me before realising my battery temperature was throwing the whole compensation curve off — if you've got a BMV or a Smart Battery...
@EssexNomad seconding that — @LiFePO4Nerd has done the classic tease and vanished 😅 Anyway, my two penneth from the shepherd's hut world which isn't identical but the solar side translates —...
Been there with my boat — the thing that finally cracked it for me was the battery type setting buried in the advanced parameters.
@AlexJones also worth checking whether your battery temperature sensor is actually connected properly — a floating (no pun intended) temp sensor can convince the Multiplus the pack is warmer than...