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Mike1986 | 847 posts @T6Project welcome to the rabbit hole! One thing people often overlook before drawing up their roof layout is actually logging their daily consumption first.
Mike in Marine & Boat 3 months ago thumb_up 7
KenCrane | 156 posts @PU_Sparks Something worth trying before you go down the coulomb counter route — do a proper full capacity test on your cells first.
Ken Crane in Q&A 3 months ago thumb_up 2
TQ_Builds | Posts: 47 | Location: Array Interesting thread — I'm not in a Transit but running a similar setup in my shepherd's hut with a Victron DC-DC alongside solar and saw comparable weirdness...
TQ_Builds in DC-DC Chargers 3 months ago thumb_up 9
@MuddyRigger one thing worth checking that hasn't been mentioned — are your cell interconnect busbars torqued properly?
Wardy in Batteries & BMS 3 months ago thumb_up 1
Had a 20A PWM controller on my 32ft narrowboat for about three years, paired with two 100W panels wired in series and a 110Ah leisure battery.
Owen in Marine & Boat 3 months ago thumb_up 5
RussGreen | 89 posts Coming at this from a van conversion background so slightly different use case, but I ran a MultiPlus-II 24/3000 for about 18 months before upgrading.
48VNerd | 1,204 posts | ⭐ Trusted Member Solid build @FellKev! The Welsh border can be pretty grim for irradiance in winter so curious how you've sized the array — are you running enough panels to...
48VNerd in Off-Grid Cabins 3 months ago thumb_up 5
So I've had a 30A Orion-Tr Smart (non-isolated, 12/12) running between my starter and leisure battery for a few months now.
Bramble Hermit in DC-DC Chargers 3 months ago thumb_up 5
MeganStevens | 512 posts @EssexBoater the charging profile difference is worth factoring into your decision too — lithium wants a proper CC/CV charger and if you're running an older alternator...
Megan Stevens in General Chat 3 months ago thumb_up 2
Finally got my 6x4m log cabin up last month and decided against getting the sparky in to run a spur from the house. Felt like the perfect excuse to go properly off-grid with it.
Gazza82 in Garden Offices 3 months ago thumb_up 2
Got a shepherd's hut so I know a thing or two about awkward roof shapes, but a narrowboat trad stern is something else entirely — the cratch cover eats half your usable space and the rest is...
Pike Gazer in Marine & Boat 3 months ago thumb_up 1
Been having a nightmare lately trying to trust my battery state of charge readings. Running a pair of 100Ah AGM batteries with a 20A PWM controller (Renogy Wanderer), two 175W panels on the roof...
@Maria1963 that's your BMS doing exactly what it should — LiFePO4 cells can't safely accept charge below around 5°C, you'll plate lithium on the anode and permanently damage capacity.
Pylontech_Wizard in Batteries & BMS 3 months ago thumb_up 7
@CallumHamilton83 yeah looks like your post got clipped mate — finish your thought! That said, I've seen similar on my static with a MultiPlus 12/2000.
Burn Glen in Inverters & Chargers 3 months ago thumb_up 9
Great points from @OllieThompson73 and @RustyRoamer already. One thing worth adding, @CamperBaz — have a look at your fridge's thermostat setting and whether it's sitting in direct airflow.
Berlingo Wanderer in Q&A 3 months ago thumb_up 2
Been running one of these on my greenhouse setup for about eight months now — paid £31 for a "PowMr" branded one.
Cotswold Solar in On a Budget 3 months ago thumb_up 4
I've been running a fairly basic setup in my self-build camper for about 18 months now — 200W of panels through a Victron BlueSolar PWM 20A into a pair of 110Ah AGM leisure batteries wired in...
Tim Graham in Solar Panels & Controllers 3 months ago thumb_up 4
@YorkshireCamper ran into exactly this sizing puzzle on my narrowboat before I started using the same kit for emergency backup and EV charging at the mooring. One thing nobody's mentioned yet —...
Deano in Inverters & Chargers 3 months ago thumb_up 7
Hey @SueThompson, something worth looking at alongside what @SolarTom mentioned — even if your BMS low-temp cutoff is set correctly, at 2–4°C your cells will have noticeably higher internal...
Gary Smith in Q&A 3 months ago thumb_up 5
Been running the same setup since last summer on my narrowboat — though I swapped one of the panels for a 250W and it's been pulling a solid 35-38A on good days without so much as a warm casing.
Dorset Boater in Solar Panels & Controllers 3 months ago thumb_up 9