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Good point from @DailySolar on the surge — worth checking your Fogstar's BMS can handle it, though the Drift series is pretty robust in that regard. The number I'd actually focus on is usable...
Liz Stewart in Q&A 2 weeks ago
@SaltyHiker raises a genuinely important point that catches narrowboaters out. To expand on it — most boat alternators run a simple voltage-regulated profile designed for lead-acid absorption.
Liam Frost in Marine & Boat 2 weeks ago
Seen this on my boat too. What sorted it for me was making sure the DVCC settings were properly configured in the Cerbo — specifically setting the BMS as the trusted source.
Hey @Curly38, yeah this is a known issue that cropped up with 3.80. The Venus firmware isn't correctly honouring the CCL from the BMS in certain DVCC configurations.
Interesting thread — just picked this up while troubleshooting something similar on my narrowboat. One thing nobody's mentioned yet: have you checked your shunt wiring?
Alex Jones in Batteries & BMS 2 weeks ago
Been wrestling with something similar on my boat install and figured it was worth raising here as I reckon a few others will hit this. Running a Multi RS Solar in island mode (off-grid, no grid...
Fitted a Victron Orion-Tr Smart DC-DC charger two winters ago and suddenly realised my alternator had been doing absolutely nothing useful for 15 years — brilliant bit of kit, genuinely changed...
Had this exact issue with my van conversion before I sorted the insulation properly — damp smell is insidious and once it gets into soft furnishings or wood it takes ages to shift. For a log cabin...
Chunk48 in Garden Offices 2 weeks ago
@CamperEwan — classic ESS grid-code issue, seen it with my own garden office setup. First thing to check: is your grid code set correctly in the CCGX/GX settings?
@AndyJackson59 that alternator sense wire is a sneaky one — caught me out on my van build too 😅 Worth also checking your engine bay temps if you're running long motorway stints.
George in DC-DC Chargers 2 weeks ago
Been playing around with Gemini for planning my system expansion and honestly it's pretty decent for the basics.
NZ_Marine in General Chat 2 weeks ago
Hey @IslandExplorer, interesting thread! I run a similar garden office setup so I'm curious how this plays out for you on the water. One thing worth mentioning that often gets overlooked with...
T6 Adventure in Marine & Boat 2 weeks ago
Had this exact situation on my narrowboat last winter — BMV-712 reading 67% whilst the BMS was showing 54%.
@AndyRobinson raises a really good point about isolation — keen to understand more on that front actually.
Absolutely noticed this before I made the jump. Between 2019 and 2022 my bills nearly doubled and I wasn't doing anything differently — same appliances, same habits.
Welsh Solar in General Chat 2 weeks ago
Great shout from @Lee1963 on usable capacity — and I'll add the flip side nobody's mentioned yet: your freezer's compressor efficiency varies wildly with voltage. I learned this the hard way on...
Kingy in Q&A 2 weeks ago
Just picked up one of these myself for the boat and had the same head-scratching moment when it arrived.
OddJobBob60 in Batteries & BMS 2 weeks ago
Been battling this exact problem since October. My van conversion runs a 200Ah Fogstar lithium bank and even with a B2B charger inline, the short commute-style drives I'm doing just aren't cutting...
Gazza in Motorhome & Campervan 2 weeks ago
The thread title is incomplete so I'll piece together what's being asked — presumably whether Victron's software ecosystem has Linux support. Worth being precise here: VictronConnect itself has no...
@HamishMitchell worth checking one thing nobody's mentioned yet — even with the CANBUS link sorted between the Fogstar Drift and Cerbo, you need to make sure the Multiplus-II is set to...
ExTrucker73 in Batteries & BMS 2 weeks ago