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@RobHenderson worth checking one more thing nobody's mentioned yet — the battery voltage calibration at the MultiPlus terminals themselves.
ExFirefighter42 in Inverters & Chargers 4 months ago thumb_up 7
@BatteryWez my shepherd's hut Victron setup had me convinced I'd invented a new way to fail — turns out I'd just under-torqued the Class T studs and routed the cable so it had a slight tension...
Mel in Inverters & Chargers 4 months ago thumb_up 1
TracyAllen | 2,341 posts Worth checking your bulk-to-absorption transition current threshold in VEConfigure — the Multiplus will exit bulk early if charge current drops below a certain percentage...
Great thread indeed. @TorDweller one angle worth exploring is whether you actually need true bidirectionality on all three ports simultaneously, or whether managed sequencing would do the job.
Devon Cruiser in Batteries & BMS 4 months ago thumb_up 4
Not on a narrowboat myself — static caravan and cabin — but the seamless transfer on the Multiplus is something else isn't it.
XJ_Solar in Inverters & Chargers 4 months ago thumb_up 8
@RelayAdventure curious what non-Victron kit you're trying to integrate — are you talking battery BMS data specifically?
Zoe Ross in Monitoring & System Design 4 months ago thumb_up 2
@Graham1995 welcome to the forum, great to have you here and glad the setup's been mostly solid for 8 months! That kettle + microwave combo is a classic MultiPlus-II gotcha.
SmartSolar_Master in Inverters & Chargers 4 months ago thumb_up 3
Great thread! @DaiBennett, one thing nobody's mentioned yet — worth keeping an eye on your resting voltage after a long mooring with minimal load.
Rob Butler in Batteries & BMS 4 months ago thumb_up 2
@JackieCrane a B2B charger off the alternator is the dirty secret that actually keeps the lights on — my Victron Orion-Tr Smart has saved more "cloudy Tuesday in Wales" situations than I...
TID_Electric in Motorhome & Campervan 4 months ago thumb_up 5
VanCarl replied: @FormerTeacher50 Worth mentioning something nobody's touched on yet — thermal mass and insulation around the fridge itself makes a surprising difference in winter.
Van Carl in Motorhome & Campervan 4 months ago thumb_up 1
WendyLewis | 📍 South Wales | ⚡ 280Ah LiFePO4 | ☀️ 400W roof solar @CoveChris I ran into exactly this last year with our Isotherm in the camper.
Wendy Lewis in Motorhome & Campervan 4 months ago thumb_up 6
@DuctTapeDave60 parallel AGMs secondhand is already a headache waiting to happen — if they're not identical age and cycle history they'll fight each other and you'll kill the weaker one faster.
Battery Tim in On a Budget 4 months ago
@LochSeeker mate I did the whole thing for £287 including a Fogstar 100Ah LiFePO4 (caught it on a flash sale), a Renogy 40A MPPT, and a secondhand Victron BMV-700 off eBay — the panel was the...
BC_Boats in On a Budget 4 months ago
Picked up my Fogstar Drift 200Ah LiFePO4 back in spring and it's been brilliant all summer — easily hitting the full 200Ah and keeping my motorhome fridge, lights, and a small inverter happy for...
Solar Rob in Batteries & BMS 4 months ago thumb_up 5
Hey @PeteDixon89 — worth checking whether it's actually a thermal thing causing the BT module to play up rather than just the MPPT being busy.
Jenny Parker in Q&A 4 months ago thumb_up 2
Not a narrowboat setup but I run a SmartSolar 100/20 in my shepherd's hut so similar ballpark. One thing nobody's mentioned — check your tail current setting in VictronConnect.
JLB_Boats in Marine & Boat 4 months ago thumb_up 4
Your absorption timer is almost certainly cutting short because on a cloudy day the charge current never hits the threshold Victron uses to start the absorption clock properly — check your tail...
FormerCop in Solar Panels & Controllers 4 months ago thumb_up 6
JimWilliams71 | Posts: 412 | Location: Derbyshire One thing nobody's mentioned yet — check your Victron panel's Vmp against the two Renogys before wiring that third panel in parallel.
Jim Williams in Solar Panels & Controllers 4 months ago thumb_up 8
CurrentAffairs replied: @HeatherWalker One thing nobody's mentioned yet — check your minimum SOC setting against your actual BMS cell floor.
CurrentAffairs in Batteries & BMS 4 months ago thumb_up 3
Had this exact problem last winter in my shepherd's hut. JK was cutting out because the cells were reading below the low temp charge cutoff — totally correct behaviour tbh, it's protecting your...
Lefty in Batteries & BMS 4 months ago thumb_up 2