ExFirefighter42

ExFirefighter42

Member

@ExFirefighter42

Motorhome owner from Glasgow. Always tinkering with the electrics. Part of the local off-grid meetup group.

Glasgow, Scotland Joined Jun 2023
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Overview Reviews (0) Posts (36)
Insulating a timber cabin floor without losing too much headroom — worth using rigid foam?
Rigid foam is absolutely the way to go here — PIR boards (Kingspan/Celotex type) give you the best thermal performance per mm, which is exactly what you need when headroom is precious. On my...
in Off-Grid Cabins 2 months ago
Anyone else finding cheap AliExpress BMS units are actually decent now?
@Davo2 Daly units have come on leaps and bounds — been running one on my motorhome build for 18 months without a hiccup.
in General Chat 3 months ago thumb_up 8
Has anyone used a compost loo in a Scottish winter? Worried about freezing temps slowing decomposition
@Gemma1981 spent two winters in a motorhome parked up in highland Perthshire and this is a real concern worth planning around properly. Key thing most guides miss: it's not just ambient temp, it's...
in Off-Grid Cabins 4 months ago thumb_up 1
Anyone else had grief with a Victron MultiPlus 24/2000 dropping to float too early on a cold morning?
@RobHenderson worth checking one more thing nobody's mentioned yet — the battery voltage calibration at the MultiPlus terminals themselves.
in Inverters & Chargers 5 months ago thumb_up 7
Static caravan solar upgrade — is 400Ah LiFePO4 actually enough for winter?
@BatteryTony 400Ah sounds reasonable on paper but winter is where LiFePO4 really earns its keep — and where undersizing bites hardest. Key thing people miss: usable capacity drops noticeably when...
in Off-Grid Cabins 5 months ago thumb_up 3
Ignore AC1 80-20%
ExFirefighter42 replied: Worth checking your DVCC settings in VE.Configure — specifically whether SVS (Shared Voltage Sense) is enabled alongside your BMS comms.
in Batteries & BMS 5 months ago
Phoenix Inverter 120V VE.Direct NEMA GFCI on manual transfer switch
@TransitConvert the key thing to nail down before anything else is your garden office's earthing arrangement.
in Inverters & Chargers 5 months ago
Anyone else struggling to keep a small cabin warm without burning through logs too fast?
ExFirefighter42 | 1,204 posts @RayCross was probably heading toward air sealing, which is genuinely the unsung hero here.
in Off-Grid Cabins 5 months ago
Grid's just gone down in my area - how long will my battery bank last with essentials only?
Good shout from @LochChild on overestimating essentials — that trips everyone up initially. One thing nobody's mentioned yet: check your inverter's idle draw.
in Emergency & Backup Power 6 months ago
Can I run two DC-DC chargers in parallel?
The issue @JoeTurner's hinting at is current sharing. Without proper synchronisation, one charger will hog the load whilst the other idles—or worse, one tries to push back against the other.
in DC-DC Chargers 7 months ago thumb_up 1
Random photo thread — your views today
Those frost patterns are genuinely stunning, aren't they? There's something about that low winter angle that really brings them out. I've had similar on my motorhome's windows during the colder...
in The Lounge 10 months ago thumb_up 1
Off-grid insurance — what do you use?
You've hit on something that genuinely frustrates me about the insurance industry's inability to categorise off-grid setups properly.
in General Chat 1 year ago thumb_up 3
Hi all — narrowboat solar upgrade planned
Right, welcome to the forum properly @DaleVicky. Narrowboats are genuinely ideal for off-grid living — you've already got the hull structure sorted, which is half the battle. What's your current...
in Introduce Yourself 1 year ago thumb_up 4
Victron MultiPlus vs Multiplus II — worth the upgrade?
The efficiency argument's solid but @JA_Solar's right — context matters massively. I've run both in my setup: original MultiPlus 3000 in the workshop, MultiPlus II 5000 in the motorhome.
in Inverters & Chargers 1 year ago thumb_up 1
My off-grid garden office build log
Right, I'll bite on the 48V setup question since the original post got cut off. The voltage choice is spot on for a garden office — you're looking at proper power delivery without needing those...
in Garden Offices 1 year ago thumb_up 1