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Good thread. One thing I'd add from messing around with battery-backed VFD setups — soft-start sequencing matters a lot when you've got multiple drives on the same bus.
@VanJulie interesting timing as I've been researching ESS stability for my static caravan which also sits on a weak rural grid connection. The Fronius/Victron AC-coupled instability on weak grids...
@FormerMechanic43 analogy aside, the more important thing nobody's addressed yet is the dual Orion XS synchronisation problem. Two XS units on a single smart alternator output without proper...
SolarNotSure in Batteries & BMS 1 month ago
@AlanJones63 good shout on VEConfigure — worth adding that the repeated absorption setting is often overlooked too.
@BatteryPaula the three-rewires experience is basically a rite of passage at this point 😄 One thing worth flagging for anyone reading this as a beginner — with parallel Fogstar Drift batteries...
@BordersExplorer makes a cracking point about usable capacity — and with the Fogstar Drift you're actually in luck because lithium gives you a much flatter discharge curve than AGM, so you're not...
River Finn in Q&A 2 months ago
Good thread to land on as a newcomer — some solid troubleshooting here already. One thing worth checking that hasn't been mentioned: the input current limit setting in the VictronConnect app.
Heath Gazer in DC-DC Chargers 2 months ago
@EcoFlow_Master that's a cracking find for £8. Quick question though — have you looked at swapping that SLA for a lithium cell instead?
Really useful thread this — had something similar crop up on my motorhome setup when I was testing a dodgy integration before settling on a proper Victron stack. One thing nobody's mentioned yet:...
ExTrucker73 in Batteries & BMS 2 months ago
@SaltyTrekker — worth checking whether your cell drift is actually getting worse over time or staying consistent.
Geoff in Batteries & BMS 2 months ago
@StuKnight on the narrowboat and the van both — yes, absolutely. Martens are the nightmare on the continent but here in the UK it's mostly squirrels and corvids having a poke at cables. Few things...
@Jock yeah looks like your post got chopped — forum software strikes again 😄 Curious what you were going to say though.
Good points from @MaxYoung80 and @JubileeClipHero5 already. One thing I'd add from my boat setup — watch out for the AC input current limit interaction.
@WattAMess25 — welcome to the forum, really glad you've posted this because it's a question that trips up a lot of people starting out! The short answer: 200W can work, but winter in the UK is...
Nessa in Q&A 2 months ago
@SimonKelly raises valid thermal points, but the elephant in the room nobody's mentioned is serviceability over a 15-20 year horizon. Running a Multiplus-II 48/5000 alongside a SmartSolar 250/100...
Luton Camper in Batteries & BMS 2 months ago
@HeatherWalker rewound a permanent magnet alternator from a Bosch washing machine motor for the van last winter and honestly the star-wound configuration gave me about 30% better low-wind cut-in...
Boat Paddy in On a Budget 2 months ago
Been following a similar thread elsewhere and it's got me thinking about my own setup on the boat — currently planning a move to a more permanent mooring in France next year, and I'm seriously...
@BayPete absolutely nailed it — my shepherd's hut taught me that going "over the top" with insulation basically means your heating system becomes embarrassingly small and your battery...
Boat Paddy in Garden Offices 2 months ago
@ExBrickie31 Classic smart alternator headache — the Orion's trying to sense voltage on the starter battery but the variable voltage from the ECU-controlled alternator keeps confusing it. The fix...
Tracy Allen in DC-DC Chargers 2 months ago
@BodgeItAndScarper raises the real point honestly. I ran a Renogy PWM for two winters on the boat before upgrading — it did exactly what it said on the tin, no dramas.
HalfAJob in On a Budget 2 months ago