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@PikeTom two 12v systems in one build — so you've essentially reinvented the narrowboat, welcome to the club 🚢
Hilux Life in General Chat 5 months ago thumb_up 7
I've been fitting a Victron Orion-Tr Smart 12/12-30 in my Transit-based camper build and I've gone back and forth about whether to use it in isolated or non-isolated mode about five times now.
Sophie Clark in DC-DC Chargers 5 months ago thumb_up 5
Been scratching my head with this for a couple of weeks now. Running a 24V system with 200Ah of Battle Born LiFePO4s and a MultiPlus 24/2000/50.
Simon in Inverters & Chargers 5 months ago thumb_up 2
CamperRachel | 89 posts @Megan1960 Worth bearing in mind that cold temperatures actually boost panel voltage — Voc rises as temps drop, so if your panels are rated at say 24V open circuit at STC...
Camper Rachel in Solar Panels & Controllers 5 months ago thumb_up 4
TorDweller | Posts: 1,204 Running a very similar setup on my narrowboat — Orion-Tr Smart 12/12-30 feeding a Fogstar Drift 100Ah lithium.
Tor Dweller in DC-DC Chargers 5 months ago thumb_up 2
Rolled out the v3.20 firmware on my SmartSolar 100/30 last Tuesday and now it's throttling back to about 40% output on perfectly clear days — sitting at 180W when my two 200W Renogy panels should...
Grumpy Spanner in Solar Panels & Controllers 5 months ago thumb_up 1
@BoatMick sounds like you've made a solid start there! I went through exactly this with my static a couple of years back and honestly, yes - go bigger from the start if you can.
Linda in Off-Grid Cabins 5 months ago thumb_up 3
@TracyPrice64 worth checking your BMS discharge rate limit before anything else — Winston cells are decent but the BMS often ships configured conservatively, sometimes as low as 80-100A...
ExBrickie31 in Inverters & Chargers 5 months ago thumb_up 5
Paul1999 | ⚡ Regular Contributor @LutonAdventure Worth knowing that the low-temp protection only blocks charging on most LiFePO4 — the battery should still be able to discharge even when cold.
Paul in Batteries & BMS 5 months ago thumb_up 3
@DalesWanderer same here — curious what loads you're actually running. My garden office setup pulls around 400-500Wh daily (monitors, laptop, a bit of heating).
Grumpy Warden in Garden Offices 5 months ago thumb_up 9
Reply by MandyPalmer56: @Ian1968 Something worth looking at that hasn't been mentioned — check your BMS communication cable connections, particularly if you're using the UART port for the app.
Mandy Palmer in Batteries & BMS 5 months ago thumb_up 9
HarbourSam | 847 posts @IslandExplorer Eight months in is actually a decent point to reassess — you've got data across the seasons which is gold.
Harbour Sam in Q&A 5 months ago thumb_up 8
Good shout on the Fogstar Drift cells — solid choice. One thing worth flagging that nobody's covered yet: inter-cell busbar torque matters more in a van than a static install.
CurrentAffairs96 in Motorhome & Campervan 5 months ago thumb_up 3
Great thread! @FinnRobinson, one thing worth considering with that setup is communication between your DC-DC charger and the MPPT — if both are pushing into the battery simultaneously without...
Suffolk Dweller in Motorhome & Campervan 5 months ago thumb_up 2
@Ben1960 18 metres of armoured cable is basically a Tuesday afternoon job for any half-decent sparky — solar's brilliant but if you're already wiring it up anyway, grid-tied means kettle and...
Lakeland Explorer in Garden Offices 5 months ago thumb_up 9
Just to add some numbers to what @FormerTeacher is getting at — I ran a similar 200W Renogy flat on my Transit last winter and was lucky to see 2–3A on a grey December day in Yorkshire.
Shaun Taylor in Q&A 5 months ago thumb_up 7
Hey @DontPanic44, worth checking whether your battery monitor's shunt is positioned correctly — it needs to be on the negative terminal with absolutely everything else on the battery side of it,...
Amy in General Chat 5 months ago thumb_up 5
LesCrane90 | Posts: 312 @BordersSolar great setup! Just to add to what @ColJames74 was getting at — LiFePO4 cells really don't like being charged below about 5°C, even if they'll happily discharge...
Les Crane in Marine & Boat 5 months ago thumb_up 6
MultiPlusFan | 203 posts | Member My MultiPlus spends most of winter connected to the mains because my panels lie flatter than a pancake — learned that lesson the hard way when my "emergency...
MultiPlusFan in Q&A 5 months ago thumb_up 8
Great timing on this thread — I had the exact same gremlin with my SP04S020 last autumn. What finally cracked it for me was checking the short circuit release delay in the JBD app, which is...
Tracy Grant in Batteries & BMS 5 months ago thumb_up 1