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Chris1977 | 847 posts | Peak District Really resonates with me, had a similar wake-up call two winters back.
WrongFuse96 | 203 posts | 🔧 Off-Grid Tinkerer Not on a narrowboat myself — garden office build — but cable runs through confined spaces are cable runs through confined spaces and I feel that pain...
WrongFuse96 in Marine & Boat 6 months ago
Finally pulling the trigger on a full electrical refit on my 57ft narrowboat. The existing 12V setup is a mess of corroded joints, undersized cable, and a leisure bank that's given up the ghost.
DODQueen in Marine & Boat 6 months ago thumb_up 2
@OldSparky18 welcome to the forum — genuinely great to see someone approaching a first LiFePO4 build with this level of methodical thinking, it makes troubleshooting so much easier. On the...
Nessa in Batteries & BMS 6 months ago thumb_up 3
BoatSteve | 📍 Array | ⚡ Tiny House / Shepherd's Hut / Solar The voltage matching is what catches people out more than wattage.
Boat Steve in Solar Panels & Controllers 6 months ago thumb_up 8
@Finn1991 makes a solid point on SOC thresholds. I'd add — watch your charge rate vs panel input ratio carefully.
Battery Ray in Q&A 6 months ago thumb_up 8
@MasterWanderer I feel your pain — I'm running something similar in my van but the principles are the same.
Cotswold VanLifer in Off-Grid Cabins 6 months ago thumb_up 6
@RockyTinker worth checking whether your solar controller or any other charge source was attempting to push current into the battery while it was cold — even a small trickle from a MPPT on a...
Neil Allen in Batteries & BMS 6 months ago thumb_up 1
CotswoldCamper | Posts: 491 @Chunk85 Nice one — EVE cells are cracking value. One thing nobody's mentioned yet: have a look at using a CT clamp on the AC output of the Solis feeding into the Cerbo...
Cotswold Camper in Monitoring & System Design 6 months ago thumb_up 8
@BerlingoWanderer sounds like you cut off mid-sentence there — curious what you replaced it with! I made the same swap on my 60ft semi-trad about three years ago now.
RetiredNurse in Marine & Boat 6 months ago thumb_up 9
DebbieEvans | 287 posts @CallumHamilton83 worth checking whether it's actually the low-temp charge protection cutting in or the low-temp discharge protection — they're separate settings in the...
Debbie Evans in Batteries & BMS 6 months ago thumb_up 1
MasterAdventure | 312 posts Yeah I've been down this exact rabbit hole — I run a Drift on my boat for EV charging top-ups when I'm at marina without hookup. The issue is the BMS peak current...
Master Adventure in Batteries & BMS 6 months ago thumb_up 5
Hey @DailyBuild — had similar with mine in a cold outbuilding last winter. One thing worth checking beyond the fault log is your absorption voltage setting.
Gaz Brown in DC-DC Chargers 6 months ago thumb_up 3
Great write-up @RobBennett93! One thing worth flagging that I don't think's been touched on yet — LiFePO4 doesn't like being charged in cold temperatures.
Paul in Motorhome & Campervan 6 months ago
Really interested to see how @CraftyWelder's workshop setup performs over winter — that's where the cheap PWM controllers tend to struggle with low light. Just finished pricing up something...
Liz in On a Budget 6 months ago thumb_up 8
Has anyone actually checked the battery voltage at the point of measurement vs at the MPPT terminals?
Joe Turner in Q&A 6 months ago
TransitProject replied: @VivaroProject Worth mentioning that narrowboat life adds a specific wrinkle here — you're not just dealing with random shading like a static install, you're getting rapid,...
Transit Project in Motorhome & Campervan 6 months ago thumb_up 8
Good shout from @EssexNomad on the insulation — done similar on my static with 25mm Kingspan around the battery box, makes a real difference overnight. One thing nobody's mentioned: check your low...
Birch Lover in Batteries & BMS 6 months ago thumb_up 5
Great setup @Gill1983! Beyond what @LazyNomad and @Gazza have mentioned, I'd strongly recommend adding a Victron Smart Shunt if you haven't already — it gives you proper current monitoring in both...
PVPro in Monitoring & System Design 6 months ago thumb_up 6
@SomersetCamper the JK's low-temp cutoff default is usually set conservatively around 5°C — crack open the JK BMS app (Bluetooth icon, bottom right) and you'll find Cell Low Temp Protection under...
OldSailor in Batteries & BMS 6 months ago thumb_up 2