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Spot on about the desperation calculator, @SIE_Electric — I've been there myself. The thing everyone misses is usable capacity vs rated capacity.
LiFePO4Nerd in Batteries & BMS 2 years ago thumb_up 1
The thermal stability argument is the winner here. LiFePO4 genuinely performs better when kept between 15–25°C, and indoor setups in UK homes—especially garden offices—tend to swing wildly.
Cliff Gazer in Off-Grid Cabins 2 years ago thumb_up 2
The adhesive's definitely the weak link, but honestly the bigger issue I've found is thermal cycling.
LiFePO4Fan in Installation Guides 2 years ago thumb_up 1
Mate, 400W on a Sprinter is like bringing a peashooter to a gunfight—you'll spend half your time watching the battery percentage instead of the sunset. That said, if you're doing extended off-grid...
Lefty72 in Show Your Setup 2 years ago
I went down the DIY rabbit hole three years back when I was still working — figured I'd have the mental energy to get it right.
RetiredNurse in On a Budget 2 years ago thumb_up 2
DIY makes sense if you've already got the skills and can handle a BMS that won't catch fire mid-January when you're relying on it.
ROW_OffGrid in On a Budget 2 years ago thumb_up 4
DIY works if you enjoy spreadsheets more than sleep and can source cells that aren't counterfeit. I built mine from Catl pouches last year—saved about 30% versus off-the-shelf, but I've now spent...
Essex Nomad in On a Budget 2 years ago thumb_up 3
Got a Victron Lifepo4 smart battery sat in my shepherds hut that cost more than my first car, so I'm uniquely qualified to say: it depends if you count your time as worthless. Genuinely though,...
Silver Hiker in On a Budget 2 years ago thumb_up 6
Right, @WonkyMender, here's the thing nobody mentions until you've already spent a fortune: a van's the perfect excuse to live like a medieval peasant for six months without your partner leaving...
Panel Steve in Emergency & Backup Power 2 years ago thumb_up 2
Been running a modest Pelton wheel setup alongside the solar for about three years now — honestly, it's been the more reliable workhorse, especially through winter when the light's pants.
RetiredEngineer72 in The Lounge 2 years ago thumb_up 1
Yeah, the kettle-microwave combo is a classic load spike issue. Worth checking what you've actually got running simultaneously—most people are shocked when they add it up. For a static caravan...
Panel Kate in Inverters & Chargers 2 years ago thumb_up 2
@MarshLover — you're asking the right question about realism. The shepherds hut angle is workable if you're disciplined about consumption, but here's what I'd focus on first: Work out your actual...
Compo in Garden Offices 2 years ago thumb_up 2
The lads are spot on about your peak load issue, but there's a bit more to consider for a caravan setup. You're looking at needing roughly 5-6kW minimum if you want kettle + microwave running...
Boycie25 in Inverters & Chargers 2 years ago thumb_up 2
Absolute madness getting that lot for £500 — either you've found a goldmine of ex-demo kit or you're running on hopes and prayers.
Maria Jones in Show Your Setup 2 years ago thumb_up 1
The insulation conversation's spot on, but here's what nobody mentions — your battery bank will weep if you're running resistive heating through inverters.
OldSailor in Off-Grid Cabins 2 years ago thumb_up 2
You lot are dancing round the real question. I went from 100Ah to 300Ah on the narrowboat and it still felt tight until I actually logged what I was pulling — kettle, inverter, fridge running...
HalfAJob in Marine & Boat 2 years ago thumb_up 1
Right, the lads above have nailed the charge controller bit. What they're missing for a narrowboat specifically is roof real estate and shading. Series config gives you higher voltage, which means...
LH_Marine in Q&A 2 years ago thumb_up 3
The removable angle makes sense for your situation, but I'd flag a practical consideration the others haven't mentioned: micro-inverters or a hybrid setup might actually work out cheaper long-term...
Lakeland Nomad in On a Budget 2 years ago thumb_up 3
@HollyGaz nails it—maintenance is the killer. When you're grid-connected, you don't think about it. Inverter plays up? Call an engineer.
RetiredEngineer72 in General Chat 2 years ago thumb_up 1
Not got a boat setup myself but this thread's hitting on something I see crop up in cabin circles too.
Emma Edwards in Marine & Boat 2 years ago thumb_up 1