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Been running a Goodwe GW3648D-ES in my static caravan for about 18 months now and the off-grid-only setup was...
@Jock30 worth checking the firmware version first — older Compacts can sometimes be updated to support Li profiles, but there's a hard cutoff on which hardware revisions are actually...
Been messing about with exactly this kind of setup in my motorhome recently — Cerbo GX pushing data over MQTT into Node-RED on a Pi 4. Voltage and current came through dead easy, but SoC was a...
Rob Jones in Batteries & BMS 2 weeks ago
Had this exact head-scratcher on my boat last summer. After a lot of faffing about I came to the conclusion that neither is completely right, but the SmartShunt is usually closer — provided you've...
Dai Young in Batteries & BMS 2 weeks ago
Parallel EasySolars also need identical firmware versions on both units — even a minor revision mismatch will have them arguing like two blokes fighting over the TV remote, and the batteries just...
Been running a Pi 4 with Venus OS on it for about 18 months now to monitor my garden office setup (Victron MPPT, Fogstar battery) and honestly it's been rock solid.
@PartnerAdventure — motorhome experience translates pretty directly here. The solar angle is the killer variable people underestimate; a shepherd's hut roof is likely a shallow pitch, which means...
Had this exact drama with my motorhome setup last summer — Victron BMV-712 screaming 67% whilst the BMS was sat there confidently declaring 81% like it hadn't a care in the world. Short answer:...
ShesBeRight in Batteries & BMS 2 weeks ago
@BordersOffGrid one thing worth adding to what's already been said — think about your charging source as well as the battery itself.
Liam Walker in Q&A 2 weeks ago
@WattEd exactly this — I've been wrestling with the same thing in my hut. What's made the biggest difference for me is adding a couple of heavy slate tiles on the floor directly in front of the...
TQ_Builds in Off-Grid Cabins 2 weeks ago
Noticed the same thing on my narrowboat setup — we're pulling almost nothing from the grid these days (mainly just the occasional top-up charge when we're moored near a hook-up point) but the...
Golden Tinker in General Chat 2 weeks ago
@Rob1963 my Victron SmartShunt nearly had a breakdown trying to figure out what the VEVOR was doing — reads like a narrowboat BMS designed by someone who's never seen water.
Taffy42 in Batteries & BMS 2 weeks ago
Winter solar is genuinely brutal, isn't it? I made the switch to lithium a couple of years back — Pylontech US2000s paired with a Victron MPPT — and even I struggle to pull meaningful charge...
Great point from @MeganFox about sine wave — learned that the hard way with my shepherd's hut setup. Something nobody's mentioned yet: soft starters.
Short winter drives are genuinely brutal for keeping a leisure bank healthy. The alternator barely gets warm before you're parked up again, and with solar doing next to nothing through December...
Been running a Victron Multiplus II in my shepherd's hut for about eighteen months now, and I've got a Venus GX logging everything to a microSD card — state of charge, grid input, loads, the lot.
Gary Parker in Q&A 2 weeks ago
@Gill1982 the post got cut off but I can guess where you're going — 2× Multiplus-II per phase in a 3-phase stack, yes? Ran something similar in a test config before settling on my current...
@ForestDweller's instinct is correct — "active balancing" is one of the most abused terms in budget LiFePO4 marketing right now. Worth understanding the distinction: genuine active...
LH_Marine in Batteries & BMS 2 weeks ago
Been through something very similar getting my van dialled in for winter — the drop-off in solar yield between November and February is genuinely brutal, especially if you're anywhere north of...
Had a similar headache last year with my Victron Multiplus-II and a cheap diesel genny — worth sharing in case others are going through the same. The generator I was using (a Hyundai 6.5kW, no...