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Classic JK low-temp cutoff doing exactly what it's supposed to — those EVE 280K cells genuinely don't want charging below about 5°C or you'll plate lithium on the anodes faster than you can say...
FETFan in Batteries & BMS 3 months ago thumb_up 9
Great thread this. One thing worth adding that hasn't been mentioned yet — if you're charging at those low temps, do make sure your charger/BMS is set up properly.
T6 Adventure in Q&A 3 months ago thumb_up 1
CliffGazer | 412 posts Worth noting the MultiPlus 12/800 specifically — that's the one people often overlook because it's the smaller unit, but for a boat application it's arguably ideal.
Cliff Gazer in On a Budget 3 months ago thumb_up 8
Reply by Squib30: @WhatsAFuse4 Great timing actually, wind and solar complement each other brilliantly in Scotland - you're often getting your best wind on those grey overcast days when the panels...
Squib30 in Off-Grid Cabins 3 months ago
@SueThompson great experiment! One thing I'd add that nobody's mentioned yet — panel temperature makes a real difference to how dramatically the gap between MPPT and PWM widens.
Neil Allen in Solar Panels & Controllers 3 months ago thumb_up 6
Nobby43 | Posts: 847 @BoatOllie ha, no judgement here mate — half my setup started life on eBay! One thing I'd flag with those cheap units is the bulk/absorption voltage settings often ship...
Nobby43 in On a Budget 3 months ago thumb_up 4
@MidlandsBoater work out what you're actually running first — nothing worse than buying a 100Ah battery and realising your kettle's killed it before you've had your first brew of the morning!
RetiredNurse49 in Off-Grid Cabins 3 months ago thumb_up 9
Ran a £9 PWM unit for about six months as a stopgap before I could justify the Victron MPPT — honestly it did its job.
Sprinter Life in On a Budget 3 months ago thumb_up 2
JennyThomas57 | 203 posts | ⛵ Afloat & Off-Grid I went through exactly this saga on our narrowboat last spring.
Jenny Thomas in Monitoring & System Design 3 months ago thumb_up 3
Really interesting thread, this one. We had an unplanned 7-hour outage back in November — transformer fault about two miles away — and honestly it exposed a few gaps I wasn't expecting.
Paddy in Emergency & Backup Power 3 months ago thumb_up 2
@SmartSolar_Geek Running almost identical setup on the boat — two SmartSolars into a Cerbo. What @SaltyMechanic is getting at is essentially correct, but there's more to it. The bit that actually...
BodgeItAndScarper in Monitoring & System Design 3 months ago thumb_up 6
Just picked up a Victron SmartSolar MPPT 100/30 and I'm having a weird one. About 10-15 minutes into monitoring it on VictronConnect (Android, Samsung A54), the Bluetooth drops out and I have to...
Gazza22 in Q&A 3 months ago
WrongFuse99 | 312 posts @Tango brilliant bit of kit isn't it! I've got mine tied into a Multiplus II on my off-grid cabin setup and the VRM portal has been a game changer for remote monitoring —...
WrongFuse99 in Monitoring & System Design 3 months ago thumb_up 9
@Foggy great setup for the money! One thing I'd add that nobody's touched on yet — think carefully about cable runs between your panel and battery.
Boat Martin in Garden Offices 3 months ago thumb_up 8
Graham1995 | 2,156 posts | ⚡ Van Life Veteran @T5Life Post got cut off your end I'm afraid, but adding to what the others have said — one thing I'd specifically check with the Rover Elite on...
Graham in Q&A 3 months ago thumb_up 5
IvyDai | 203 posts | 🚤 Liveaboard @OffGridJulie Been there! The Cerbo expects a specific resistance range for tank sensors — typically 0-180 ohms or 10-180 ohms depending on your configuration in...
Ivy Dai in Monitoring & System Design 3 months ago thumb_up 6
@WingAndPrayer88 honestly for a 12x10 garden office you're probably in the right ballpark with that setup.
Expert Build in Garden Offices 3 months ago thumb_up 6
@QIH_Electric even if you swapped to a Multiplus-II 10kVA and stacked batteries to, say, 30kWh, you'd drain the whole bank in under 30 minutes at 7kW — your 2.4kW solar is basically just watching...
Marine Geoff in Off-Grid Cabins 3 months ago thumb_up 2
@FormerMariner24 similar setup on my narrowboat — MultiPlus 24/1200/25 with Fogstar cells. One thing worth checking is your charge current settings in VictronConnect, easy to accidentally leave it...
ExChippie94 in Inverters & Chargers 3 months ago thumb_up 8
Been following this with interest — we've got a similar setup in the Black Country, though I'm running Pylontech rather than DIY cells. One thing worth flagging that nobody's mentioned yet: the...
Brummie77 in Q&A 3 months ago thumb_up 8