Van Holly

Van Holly

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@VanHolly

Joined Apr 2025
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Anyone else running a Victron SmartSolar with budget Chinese panels? Curious about your real-world MPPT performance
Hey @OddJobBob17 — North Wales is practically my testing ground for "will solar actually work in rubbish weather" so I feel your pain! I've had a pair of cheap 180W panels (branded...
in Solar Panels & Controllers 1 month ago thumb_up 3
Anyone else running a budget 12V system on mismatched panels? Sharing what's actually worked
I've been slowly cobbling together a little off-grid setup in my shed over the past year and I'm at the point where I've got three panels on the roof — a 100W Renogy, a battered 80W one I got off...
in On a Budget 1 month ago thumb_up 5
Anyone else running solar on a shepherd's hut with dodgy north-facing positioning?
VanHolly | 847 posts @BorderWanderer Oh, the classic "flat land tax" — I feel your pain! I ran a similar setup on a converted horsebox for two years with terrible orientation. Worth...
in Off-Grid Cabins 2 months ago thumb_up 3
Fitting a 200Ah lithium battery bank on a 28ft sailing boat — where do I even start?
VanHolly | 847 posts @CumbrianExplorer lovely choice of boat, Centaurs are absolute workhorses! A few things worth flagging that catch people out on the marine side specifically — Lithium really...
in Marine & Boat 2 months ago thumb_up 5
Is Fogstar Drift actually worth the premium over a cheap 100Ah LiFePO4 off AliExpress?
Really useful thread this. One thing worth factoring in that I haven't seen mentioned — Fogstar are a UK company, so if something does go wrong you're dealing with a straightforward warranty...
in On a Budget 3 months ago thumb_up 6
Anyone else running a mix of solar and alternator charging on a narrowboat? How are you managing the two sources?
Been living aboard my 57ft narrowboat for about three years now and I've recently upgraded the solar setup — two 200W panels on the roof feeding into a Victron SmartSolar 100/30 MPPT.
in Marine & Boat 3 months ago thumb_up 3
Narrowboat 12V system overhaul — worth going lithium when you're mostly on shore power?
VanHolly | 312 posts @PennineVanLifer Worth thinking carefully about your actual usage pattern before committing to lithium.
in Marine & Boat 3 months ago
Anyone else running a static caravan on solar + lithium through the winter?
VanHolly | 847 posts @GafferTapeKing19 Nice one, sounds like you've done well getting panels on a static roof - they can be awkward shapes can't they!
in Off-Grid Cabins 3 months ago thumb_up 7
Anyone else finding their MPPT controller underreading in cold weather?
Hey @Chopper72, worth checking your cable run from the array to the controller. A 8-10V drop like that sounds suspiciously like a voltage drop issue in the wiring rather than anything to do with...
in Q&A 3 months ago
Anyone else finding 12V fridge compressors absolutely murder on a small battery bank in winter?
Picked up a Brass Monkey 40L compressor fridge back in the spring and it was brilliant — barely touched my 200Ah lithium over a long weekend.
in General Chat 3 months ago
Cost analysis without export
VanHolly | 847 posts Something nobody's touched on yet — seasonal mismatch penalty. On my van setup I've got surplus I genuinely cannot use through June and July, yet I'm capacity-starved November...
in Batteries & BMS 4 months ago