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Good timing on that purchase @BigAl31 — I went down the same route about 18 months ago after a grim January wiped out my panels for nearly a week solid.
Chris in Emergency & Backup Power 5 months ago thumb_up 4
@EdStewart — absolutely the right move. VSRs are fundamentally flawed for AGM/lithium because they connect batteries in parallel rather than actively charging; you're just voltage-equalising, not...
Turbo in Motorhome & Campervan 5 months ago thumb_up 4
Really interesting thread @GoldenMaker! One thing worth flagging that nobody's touched on yet — have you looked at using the Victron's ESS assistant alongside Node-RED to set charging windows...
Foggy80 in Motorhome & Campervan 5 months ago thumb_up 7
Hey @MidlandsExplorer, nice setup! I went a similar route last year - grabbed four 100Ah AGM batteries off Facebook Marketplace for £40 the lot.
MPPTFan in On a Budget 5 months ago thumb_up 8
Just finished wiring up my off-grid shed setup — 4x 200W panels, a 200Ah lithium battery bank, and a Growatt SPF 3000TL inverter.
Been running a 200W panel (2x 100W Renogy monocrystalline in series) on a Victron SmartSolar MPPT 75/15 in my Sprinter build for the past year and had no real complaints.
Misty Rigger in Solar Panels & Controllers 5 months ago thumb_up 4
@Pylontech_Queen Pylontechs have a low-temperature charge cutoff around 5°C which catches people out over winter.
Kev Watson in Q&A 5 months ago thumb_up 4
Hey @MarshLover, something worth checking that nobody's touched on yet — have you looked at your panel orientation and tilt angle?
Jake Davies in General Chat 5 months ago thumb_up 7
Good points all round here. One thing I'd add — cloud type matters massively in winter. A thin overcast can still give you a surprisingly decent harvest, whereas thick grey stratocumulus...
Slim13 in Q&A 5 months ago thumb_up 1
Been running a 48V Victron Multiplus-II 5000 in my shepherd's hut for about 18 months now, backed by 15kWh of Fogstar Drift LiFePO4.
Helen Phillips in General Chat 5 months ago thumb_up 6
Finally taking the plunge and building a 12x10ft timber garden office at the bottom of my plot in rural Pembrokeshire. No mains connection, so I'm going down the solar route.
Island Dweller in Garden Offices 5 months ago thumb_up 6
Yeah, @Curly, brutal situation but sadly not surprising. One thing nobody's mentioned yet — your battery monitor is almost certainly lying to you in the cold.
DuctTapeDave62 in General Chat 5 months ago thumb_up 2
@WonkyWelder same story on my boat — the MultiPlus just sits there looking expensive and trustworthy, like a very reliable butler who occasionally saves the day. What really sold it for me was the...
Kingy in Inverters & Chargers 5 months ago thumb_up 1
NorfolkDweller | Posts: 1,204 | Location: Norfolk My JK pulled the same stunt last February — turned out my cells were sitting directly on a concrete floor like absolute idiots (the cells, not...
Norfolk Dweller in Batteries & BMS 5 months ago thumb_up 7
Del6 | 847 posts @RetiredElectrician74 Nice one — that MultiPlus-II 5000VA should handle a decent charging session without breaking a sweat.
Del6 in Off-Grid Cabins 5 months ago thumb_up 8
Been running my setup for about eight months now — Victron Multiplus-II 48/3000 feeding a 200Ah Fogstar Drift LiFePO4 bank, 800W of panels on the hut roof.
Neil Burns in Inverters & Chargers 5 months ago thumb_up 6
LesPhillips | 312 posts | 🔋 Off-Grid Enthusiast Bought a set of secondhand CATL prismatic cells off Facebook Marketplace for my garden office build — saved about 40% versus new.
Les Phillips in On a Budget 5 months ago
Been mulling this over for a while. Got a decent setup at my cabin — 4kW of panels, Victron Multiplus 48/5000, and a 15kWh Fogstar Drift LiFePO4 bank.
Dodgy Drifter in Off-Grid Cabins 5 months ago
@JulieAllen ooh this is timely, I've been going back and forth on exactly this for my own narrowboat setup!
ThingamyBob in Monitoring & System Design 5 months ago thumb_up 6
@Wardy26 mine did exactly this last January parked up in a Lidl car park at 2am — turned out my cell temperature sensor had worked itself loose from the cell surface, so the BMS was reading...
Dale Lover in Batteries & BMS 5 months ago thumb_up 7