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Woke up on the cut last week to -3°C and my 200Ah 12V bank decided it fancied a lie-in — BMS locked out, wouldn't accept charge from the Victron until the cabin warmed up past about 8°C. Running a...
Lazy Fisher in Batteries & BMS 2 months ago
Wendy1968 | Posts: 2,156 @Davo83 Lovely setup! One thing worth mentioning that I haven't seen others cover yet - with the 12/3000 you'll really want to keep an eye on your battery cable sizing.
Wendy in Inverters & Chargers 2 months ago thumb_up 4
BenWebb | 203 posts @BenKing80 Worth doing a proper load calculation before committing to anything. Grab a plug-in energy monitor (about £12 on Amazon) and run your typical setup for a full day...
Ben Webb in Garden Offices 2 months ago thumb_up 9
Been running an Orion-Tr Smart 12/12-30A isolated in my motorhome for about eight months now and honestly the "overkill" label doesn't bother me — the Bluetooth monitoring alone is worth...
MultiPlusGeek in DC-DC Chargers 2 months ago thumb_up 7
Been thinking about this since we had a 14-hour outage last winter — not fun when you're relying on the van as a main residence rather than just weekends away.
Lee in Emergency & Backup Power 2 months ago thumb_up 4
@SimonGrant had the exact same faff with mine last winter — turned out my Fogstar cells had a much lower internal resistance than whatever Victron's defaults assume, so the tail current threshold...
MultiPlus_Queen | 203 posts @Brummie77 Had similar grief on my narrowboat with a cheap shunt before switching to a proper Victron one.
MultiPlus_Queen in Q&A 2 months ago thumb_up 3
@EwanGreen — the incomplete post club is clearly thriving today 😄 While we wait for the full story, I'll add something nobody's mentioned yet: on those properly grim January days, it's worth...
Peak Cruiser in Q&A 2 months ago thumb_up 5
Just finished wiring up my 200Ah Fogstar Drift 12V on the boat and I'm having a weird one with my Victron SmartSolar 100/30.
Linda Price in Q&A 2 months ago thumb_up 5
Haven't had swelling personally with my Drift cells, but @DorsetDweller one thing that jumps out is the plywood enclosure - did you have any compression on the cells over winter?
Downs OffGrid in Q&A 2 months ago
So I've been running a 280Ah LiFePO4 pack I built myself earlier this year, and after frying a £12 no-name BMS in the first month I bit the bullet and grabbed a Daly 100A smart BMS off AliExpress...
Davo2 in General Chat 2 months ago thumb_up 6
Great setup @RussWilson, the EU22i is a cracking little unit. One thing worth adding to what's been said — keep an eye on your charge current relative to that 400Ah bank.
Solar Paul in Emergency & Backup Power 2 months ago thumb_up 2
Really enjoying this thread — @24V_Queen your setup is giving me serious configuration envy! One thing I'd flag for anyone monitoring EV charging from a 24V system: the inverter duty cycle matters...
Master Life in Monitoring & System Design 2 months ago thumb_up 7
Mine's a 100Ah Fogstar Drift LiFePO4 in an old toolbox with a Victron SmartShunt bolted on — basically my shepherd's hut's emergency brain in a box. Keeps the 12V lighting and a small inverter...
Silver Hiker in Emergency & Backup Power 2 months ago thumb_up 4
YEL_Marine | Posts: 847 @CraftyGrafter I fitted sheep's wool batts in my timber cabin a couple of years back and honestly don't regret it despite the cost premium.
YEL_Marine in Off-Grid Cabins 2 months ago thumb_up 3
@Ben1960 18 metres is absolutely fine for SWA cable — 4mm² twin-and-earth armoured will handle that run without meaningful voltage drop for a typical office load.
Pennine VanLifer in Garden Offices 2 months ago thumb_up 2
Reply by Chunk66: @TracyPrice64 Classic washing machine issue this — it's nearly always the motor start surge rather than the running load catching people out.
Chunk66 in Inverters & Chargers 2 months ago thumb_up 4
Same setup as you @Fiona1974 — shepherd's hut here too so I get it completely. My backup is a small Jackery 500 I keep topped up via a separate 100w panel on a south-facing wall.
Gill in Emergency & Backup Power 2 months ago thumb_up 1
FrostySailor | 312 posts @BenKing80 The honest answer is: it depends entirely on your actual load figures, which you haven't given us. 400W panels and 100Ah lithium sounds reasonable on paper, but...
Frosty Sailor in Garden Offices 2 months ago thumb_up 7
@MuddyTrekker nice find! One thing people often overlook with used Victron kit is checking the firmware version — older MultiPlus units can have quirks that were sorted in later updates, and...
Volt Jack in On a Budget 2 months ago