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TorFinn | Posts: 156 My shepherd's hut setup screamed at me for months until I just admitted defeat and wired a dedicated BMV-712 to each bank separately — Cerbo then pulls individual SOC via...
Tor Finn in Monitoring & System Design 6 months ago thumb_up 2
WingAndPrayer | 634 posts @CrispyMender one angle I'd add — cable run length between your starter battery and the leisure bank matters here.
WingAndPrayer in DC-DC Chargers 6 months ago thumb_up 4
Neil1982 | 312 posts @ExJoiner genuinely useful thread this, cheers for starting it. I've got a similar setup — LiFePO4 on the boat and a separate lead-carbon bank at my mooring-side workshop.
Neil in General Chat 6 months ago thumb_up 6
PanelRuss | Posts: 1,203 @RhysLee78 One thing I'd add that nobody's touched on yet — make sure your battery monitor's shunt is positioned correctly in the system.
Panel Russ in Monitoring & System Design 6 months ago thumb_up 9
FrostyTrekker | 1,203 posts | Off-Grid Living & Renewables @PanelGraham Worth also looking at whether this is consistent across different temperatures.
Frosty Trekker in Batteries & BMS 6 months ago thumb_up 6
Good shout from @LisaStewart71 on logging consumption first — that's step one really. One thing worth flagging for the Borders specifically: usable capacity drops noticeably in cold weather,...
OddJobBob60 in Off-Grid Cabins 6 months ago thumb_up 6
Hey @Shaun1970, interesting one this. Worth checking whether your alternator is actually being properly protected - some of the newer Transits have a smart alternator that the Orion handles fine...
Daily Project in DC-DC Chargers 6 months ago thumb_up 9
Really interesting thread this. @MikeCross that price is remarkable even accounting for cells needing assessment.
BigAl31 in On a Budget 6 months ago
@RussStevens I made almost exactly this swap last spring on my Sprinter build and I've been pretty happy overall.
@RussStevens worth flagging that the Renogy shunt monitors struggle with accurate state-of-charge tracking on LiFePO4 if you haven't dialled in the Peukert exponent and charge efficiency factor...
RetiredSquaddie in Motorhome & Campervan 6 months ago thumb_up 3
Been running a 200Ah Drift bank on the narrowboat for just over a year now — two 100Ah in parallel. The build quality genuinely surprised me at the price point.
ExSquaddie49 in On a Budget 6 months ago thumb_up 8
DefenderSolar | 847 posts | Array Running a similar footprint in my shepherd's hut conversion and the oversizing question kept me up for weeks before I committed.
Defender Solar in Off-Grid Cabins 6 months ago thumb_up 7
HamishTaylor87 | Posts: 1,204 @RobRobinson78 Worth having a poke around in VictronConnect at the MPPT's own battery settings directly, rather than just through the Cerbo interface.
Hamish Taylor in General Chat 6 months ago thumb_up 8
Running a Victron Orion-Tr Smart 12/12-30A in my Transit MK7 (2009, about 180k miles). Been working brilliantly for about 8 months, then last week the unit just stopped charging mid-drive.
Fenland VanLifer in DC-DC Chargers 6 months ago thumb_up 3
Rodney47 | 📍 Shropshire | ⚡ Solar Enthusiast @KeithClark71 Had exactly this with my 75/15 last summer.
Good thread, this. One thing worth mentioning that I haven't seen raised yet — have you checked the quality of your BMS ground connection back to the negative busbar?
RetiredPlumber47 in Batteries & BMS 6 months ago thumb_up 8
After the storms last winter knocked our power out for nearly 14 hours, I finally got serious about having a proper backup setup rather than just hoping the grid stays up.
Simon Kelly in Emergency & Backup Power 6 months ago thumb_up 6
@BirchRunner the missing piece for me was a decent EVSE controller that can throttle charge rate dynamically based on available solar.
Marine Mike in General Chat 6 months ago thumb_up 9
Hey @SomersetVanLifer, great experiment! I've been doing something similar with my Leaf and a 3kWh Pylontech setup.
Chopper84 in General Chat 6 months ago
ShedGenius | Posts: 1,847 | Location: Array Classic one people miss: shore power charger with a dodgy relay that's back-feeding a tiny drain even when disconnected from the hook-up.
ShedGenius in Marine & Boat 6 months ago thumb_up 9