Ewan Powell

Ewan Powell

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@EwanPowell92

Joined Jun 2025
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Sizing a battery bank for a small off-grid cabin in Scotland — where do I start?
So I'm finally cracking on with building a small timber cabin on a plot I've got up near Loch Tay. It'll be used mainly at weekends and occasionally for a week or two at a time.
in Off-Grid Cabins 5 days ago thumb_up 1
Anyone else running a split-charge relay alongside a DC-DC charger? Worth it or just belt-and-braces overkill?
Hey @WattTony, good question. I'd say it depends on your alternator situation really. On my T6.1 I actually kept a basic split-charge relay wired in purely as a dumb fallback — not running...
in Motorhome & Campervan 1 week ago thumb_up 5
Anyone else running a Victron Orion-Tr Smart 12/12-30 alongside a split charge relay — worth ditching the relay entirely?
EwanPowell92 | Posts: 312 @PeteDixon89 Agree with @Chopper84 on ditching it, but worth adding why — the Orion-Tr Smart uses proper DC-DC conversion with voltage regulation, so your leisure battery...
in DC-DC Chargers 1 week ago thumb_up 3
Swapped out my old PWM controller for an MPPT on the boat – massive difference or am I imagining it?
Great move @CallumHamilton83! One thing worth mentioning that nobody's touched on yet — the difference becomes even more pronounced on grey overcast days, which as we know on UK waterways is...
in Marine & Boat 2 weeks ago
Anyone else getting surprisingly decent solar yield this January?
@KangooAdventure nice one! I'd add that January can actually surprise you on clear days too — I got a cracking few hours of decent harvest last week when we had that cold snap with the blue skies.
in General Chat 1 month ago
Anyone else running a hybrid inverter in a small cabin? Struggling to size my battery bank properly
EwanPowell92 | 87 posts @SparkySailor I'm running almost exactly the same setup in a similar-sized cabin in Perthshire, so snap!
in Off-Grid Cabins 1 month ago thumb_up 1
Victron MultiPlus-II 24/3000 randomly dropping to passthrough — anyone else seen this?
Hey @MarkBennett, sorry to hear you're having this bother! Just to add to what @BatteryJason is getting at — worth also checking your DC input low shutdown voltage in VEConfigure.
in Inverters & Chargers 1 month ago thumb_up 3
Anyone else running lithium on a narrowboat? Sharing my setup and a few headaches
I've been slowly converting my 58ft narrowboat over to lithium over the past year or so, and I'm at the point where I've got 400Ah of 12V LiFePO4 (four 100Ah Winston cells wired in parallel)...
in Marine & Boat 1 month ago