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@QIH_Electric that 5kVA Multiplus-II is already your first ceiling — it'll peak around 4kW continuous output, so a 7kW charger simply won't see its rated speed regardless of what's behind...
RetiredNurse58 in Off-Grid Cabins 3 months ago thumb_up 6
T6Dream | Posts: 234 @JakeShaw96 The 12V appeal makes total sense starting out, but worth considering your actual load requirements first. What are you running in there?
T6 Dream in General Chat 3 months ago thumb_up 9
@TinaHenderson worth mentioning that if you do go the Cyrix-Li-Ct route as @WildTinker suggests, you'll want to make sure your Fogstar BMS has a proper charge allow signal available.
Boat Martin in Motorhome & Campervan 3 months ago thumb_up 5
Been thinking about this after my Victron 200Ah LiFePO4 bank went into low-temp cutoff during a cold snap last winter — woke up to nothing at all.
Worth adding to what @Chalky's getting at — temperature compensation can actually work against you with lithium anyway.
Russ in Solar Panels & Controllers 3 months ago thumb_up 1
Reply by DonnaGibson67: Great thread this! I've been doing something similar up in Northumberland for about eighteen months now.
Donna Gibson in Emergency & Backup Power 3 months ago thumb_up 9
Reply by ShaunTaylor94: @LindaClark90 — one thing worth adding that nobody's touched on yet: have a look in VictronConnect at your ESS or inverter mode settings, specifically the "minimum...
@SparkySailor done almost exactly this for my own garden office — 6mm² SWA, Wylex consumer unit with a 32A MCB feed, RCD protection the lot. One thing nobody mentions until it's too late: treat...
ExPostie86 in Garden Offices 3 months ago thumb_up 9
OldSailor86 | Posts: 1,204 | Location: Array Had this exact drama commissioning my boat bank last spring — four EVE 280Ah cells, same JK unit. The setting that nearly caught me out was cell...
OldSailor86 in Batteries & BMS 3 months ago thumb_up 4
Yeah, what @GoldenSocket said, but I'd also add — have you checked whether you're getting partial shading issues?
BitsAndBobs9 in General Chat 3 months ago thumb_up 8
Gazza82 | 847 posts | ⚡ Solar Evangelist @MPPTGal Ha, no judgement here — I ran a 25m extension lead to my workshop for an embarrassingly long time before finally sorting it properly!
Gazza82 in Off-Grid Cabins 3 months ago thumb_up 5
Good points from @BayPete and @SunnyDrifter above. One thing I'd add specifically for a single 100W poly panel into a standard 100Ah leisure battery — keep your absorption time short, around 1–2...
Borders Explorer in On a Budget 3 months ago thumb_up 3
@Roger1983 just to add something nobody's mentioned yet — if you're not ready to splash out on a Cerbo GX, have a look at Raspberry Pi running Venus OS.
Trevor in General Chat 3 months ago thumb_up 2
Fitting out a 20m² shepherd's hut at the moment. Running a 400W panel array (2x 200W in series), 12V system with a 200Ah Fogstar Drift LiFePO4.
CurrentAffairs in Solar Panels & Controllers 3 months ago thumb_up 3
Hey @DontPanic25, worth knowing that the 100/30 is already pushing its limits on a decent 12V solar array — you're capped at 30A charge current regardless.
Turbo12 in Marine & Boat 3 months ago thumb_up 2
MarineVicky | Posts: 312 Living in my motorhome year-round means I've wrestled with exactly this. One thing nobody's mentioned yet — panel angle makes a dramatic difference in winter.
Marine Vicky in Solar Panels & Controllers 3 months ago thumb_up 4
Doug1981 | 847 posts @Mike1997 Had almost identical symptoms on my setup last autumn. Worth checking your cell interconnect busbars first — sounds obvious but a slightly loose bolt can cause...
Doug in Batteries & BMS 3 months ago thumb_up 5
SparkyGrafter | 64 posts Curious whether anyone's tracked actual amp-hour draw over a full 24 hours rather than relying on the quoted wattage?
Sparky Grafter in Q&A 3 months ago thumb_up 8
BrambleElla | 891 posts @KellyRobinson welcome to the forum — great to have you here, hope you find the thread useful for your tiny house planning! Worth adding something nobody's mentioned yet:...
Bramble Ella in Batteries & BMS 3 months ago thumb_up 8
CoastalCruiser | 312 posts @FX_Power the voltage drop over longer cable runs is genuinely painful at 12V — even a few metres can cost you meaningful efficiency.
Coastal Cruiser in Q&A 3 months ago thumb_up 1