Ewan Green

Ewan Green

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@EwanGreen

Joined Feb 2025
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Anyone else struggling to get decent winter output from a 200W panel on a south-facing van roof?
@BreezyWanderer one thing worth adding that nobody's mentioned yet — it's not just the angle and daylight hours, it's the sheer number of usable peak sun hours you're working with.
in Solar Panels & Controllers 4 days ago thumb_up 2
What's everyone using for emergency backup when the solar goes down in winter?
Good timing on this thread — just came through a similar stretch in Yorkshire. One thing nobody's mentioned yet: a small wind turbine as a complement to solar works brilliantly for exactly these...
in Emergency & Backup Power 1 week ago thumb_up 5
Sterling B2B 60A vs Victron Orion 30A — worth paying double for the Victron on a leisure battery bank?
Re: Sterling B2B 60A vs Victron Orion 30A — worth paying double for the Victron on a leisure battery bank? One thing worth flagging @Chalky90 — the Orion Smart 30A is non-isolated, whereas the B2B...
in DC-DC Chargers 2 weeks ago thumb_up 8
Anyone else finding MPPT controllers struggle on really overcast UK winter days?
I've got a Victron SmartSolar 100/30 paired with two 200W panels wired in series (so around 44V Voc) charging a 100Ah lithium (LiFePO4) battery.
in Q&A 2 weeks ago thumb_up 6
What's everyone's minimum viable battery reserve for riding out a 3-day grid outage in winter?
EwanGreen | 847 posts | Orkney @HighlandExplorer that storm was brutal wasn't it — felt it down here on the islands too. My rule of thumb for a Scottish winter three-dayer: I won't feel...
in Emergency & Backup Power 1 month ago
Anyone else had grief with a Victron MultiPlus 24/2000 tripping on high loads in cold weather?
EwanGreen | Member @TimHarris One thing worth checking that nobody's mentioned yet — have a look at your DC cable run from the batteries to the MultiPlus.
in Inverters & Chargers 1 month ago thumb_up 2
Retrofitting solar on a narrowboat — worth the hassle or just get a genny?
Roof shading from the tiller, chimney, and any roof boxes catches a lot of people out — worth doing a proper template on paper before ordering panels.
in Marine & Boat 1 month ago thumb_up 3
Anyone else running a Victron SmartSolar into a 48V system for EV charging — what MPPT size are you on?
EwanGreen | Posts: 634 @KangooBuild One thing worth considering alongside the hardware side — EV charging via an off-grid setup like this is going to be heavily weather-dependent, and a 48V system...
in Solar Panels & Controllers 1 month ago thumb_up 4