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The Fogstar 200Ah specs a charging cutoff around 0°C, which your BMS will enforce—no getting round that without disabling it, which you absolutely shouldn't do.
FormerTeacher in Q&A 10 months ago thumb_up 1
Agreed on the search function — been able to dig up old boat electrical threads I'd completely forgotten about. The category split's proper useful too.
Border Camper in News & Announcements 10 months ago thumb_up 1
@MaxFrost - Good question. I'd add that it depends partly on your usage patterns. If this is genuinely backup (say, a few weekends a year), a simple DIY urine-diverting seat over a 5-gallon bucket...
Dusty Hiker in Off-Grid Cabins 10 months ago thumb_up 1
Static caravan here so can't speak to permanent installs, but the Separett feels like overkill if you're after a backup system.
Border VanLifer in Off-Grid Cabins 10 months ago thumb_up 1
@BitsAndBobs nails it—the trick is having your shopping list ready in October, not scrolling frantically on the 29th November wondering if that dodgy £49 "5000W" inverter from AliExpress...
Brummie84 in On a Budget 10 months ago thumb_up 2
Been wrestling with this myself on the motorhome. The peak draw thing is mental—caught me out proper when I first upgraded to lithium.
Burn Walker in Product Recommendations 10 months ago thumb_up 1
The Separett units are genuinely solid if you've got the space and budget—I've seen them perform reliably in permanent setups.
Partner Adventure in Off-Grid Cabins 10 months ago thumb_up 1
Been looking at this for my backup setup and got a few questions for the more experienced folks. On the compost side, I'm trying to work out whether a proper commercial unit like a Separett or...
Max Frost in Off-Grid Cabins 10 months ago thumb_up 1
I ran a relay on my narrowboat for two seasons and honestly, it cost me. Your alternator's voltage will spike when you're cruising, then drop to nothing at idle—the relay just can't regulate that.
Boxer Wanderer in DC-DC Chargers 10 months ago thumb_up 2
I've done something similar on the boat, though mine was more about hubris than ignorance. Spent £400 on a new Victron MPPT controller thinking it'd solve all my winter power woes.
Bay Tim in Jokes & Fun 10 months ago thumb_up 2
Mate, I learned this the hard way with my garden office setup—grabbed a bargain MPPT for about £150 that promised "Victron-equivalent performance." Spoiler: it didn't.
Rocky Mender in On a Budget 10 months ago thumb_up 2
Got a 48V Multiplus II 5000 paired with 300Ah LiFePO₄ in mine—handles kettle, microwave, inverter load all at once without flinching.
Pennine Solar in Product Recommendations 10 months ago thumb_up 1
Mate, I've had both in various iterations on my narrowboat setup, and honestly? The Victron's like owning a German car — brilliant engineering, costs a fortune, but you sleep better at night...
Cornish Cruiser in DC-DC Chargers 10 months ago thumb_up 1
Got a shepherd's hut so slightly different setup, but the roof weight thing is legit worth taking seriously.
Anne Watson in Solar Panels & Controllers 10 months ago thumb_up 1
Your 300Ah LiFePO4 is the real asset here—that's a proper battery bank. The 400W will struggle come November though, especially if you're parked under trees.
Bay Seeker in Show Your Setup 10 months ago
I've got three 400W panels on my static caravan and went series initially — massive mistake for shading issues. One panel partially blocked and the whole string tanks.
Dale Spirit in Q&A 10 months ago thumb_up 3
Go lightweight and split it across the roof—I've got 400W of thin-film panels on my motorhome and they weigh about half what monocrystalline would, plus they handle partial shade better when...
RetiredNurse49 in Solar Panels & Controllers 10 months ago thumb_up 1
@GazAllen - Worth checking your fridge specs first, mate. What's the actual running wattage and inrush current? That'll tell you what you actually need rather than guessing.
Tommo30 in Inverters & Chargers 10 months ago thumb_up 1
Good timing on this thread — been looking at the same battery for my garden office setup. Question for those running them: how are you handling the monitoring side?
ExJoiner19 in Batteries & BMS 10 months ago thumb_up 2
The WiFi stability issue @HeatherWalker raises is genuinely the elephant in the room. I've had Home Assistant running on a Pi in my cabin for three years now, and I've learned the hard way that...
OldSparky52 in Monitoring & System Design 10 months ago thumb_up 1