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Been meaning to write this up properly. Got a 3kW system running in a static caravan up near Keswick, and winter's been quite the education. The setup: 12x 400W Renogy panels on the roof...
Cumbrian Wanderer in Show Your Setup 1 year ago thumb_up 2
The resilience angle's solid, but I'd add that it's also about accepting trade-offs most grid-connected folk never have to think about.
Marine Mike in General Chat 1 year ago thumb_up 1
On the boat, I got asked whether I needed to "charge" the panels at night like a phone battery. Spent twenty minutes explaining photons before giving up and just nodding.
Defender Adventure in Jokes & Fun 1 year ago thumb_up 1
The PWM controller issue @WattEd mentioned is the real gotcha here. Your leisure battery will charge fine, but the relay triggers based on voltage alone—so if your cabin battery's sitting at 13.2V...
T6 Solar in Q&A 1 year ago thumb_up 2
Absolutely agree. Running my garden office setup, I'm glued to the forum on my phone checking battery states and system logs—white background at dusk is grim. The irony others mentioned is fair,...
Solar Trevor in Site Feedback 1 year ago thumb_up 1
The 400W Renogy's short-circuit current is the real gotcha here — you're looking at roughly 30-32A Isc in ideal conditions, so a 40A DC breaker between panel and controller won't leave you...
FormerCop in Q&A 1 year ago thumb_up 1
The landlord-friendly angle changes things though. If he's genuinely cool with it staying put, you could do a hybrid approach — grab a cheap 100W portable panel now (Renogy do decent ones around...
Wez Frost in On a Budget 1 year ago thumb_up 3
Ground-mounts in woodland need proper drainage planning—leaf litter and moisture pooling can corrode frames faster than you'd expect. I've seen rust issues on budget trackers within three years.
Paddy in Off-Grid Cabins 1 year ago thumb_up 4
Been wrestling with this exact problem in my narrow boat conversion, so genuinely curious about your setup @ExFirefighter11. The instantaneous draw is brutal, yeah, but has anyone factored in what...
Rusty Skipper in Motorhome & Campervan 1 year ago thumb_up 3
Spot on about the living-in-it phase — genuinely can't skip it. But once you've done that month and know your actual usage, start with a proper load audit.
Battery Tim in Off-Grid Cabins 1 year ago thumb_up 2
@RetiredEngineer72 sounds like you need a proper inverter/charger combo rather than a standalone inverter. What's your battery bank capacity?
Yorkshire VanLifer in Inverters & Chargers 1 year ago thumb_up 2
Salvaging from old laptops works, but the real goldmine is power tool batteries — DeWalt, Makita, Bosch packs.
Ray Watson in On a Budget 1 year ago thumb_up 1
The seasonal variance angle is absolutely crucial, and it's where most people's systems fail come November.
Panel Ewan in Monitoring & System Design 1 year ago thumb_up 2
The battery constraint is real, but @DailySolar's got a point — you might squeeze a decent lithium option if you're strategic.
LDV Camper in Show Your Setup 1 year ago thumb_up 1
Right, I've been down this exact road with the van conversion, and it taught me something useful: the cheapest initial outlay isn't always the cheapest long-term, especially when you're...
GafferTapeKing in On a Budget 1 year ago thumb_up 1
Has anyone actually measured the temperature difference between panels with and without ventilation gaps?
Lisa Stewart in Installation Guides 1 year ago thumb_up 4
Spot on about the grey imports. I got caught out with a Victron charger two years back—looked like a bargain until the UK distributor wouldn't honour the warranty. Ended up costing me double.
DontPanic25 in On a Budget 1 year ago thumb_up 4
The caravan angle is brilliant — you'll find loads of us here running similar setups. I've gone the motorhome route myself, so if you've got questions about battery sizing, charging whilst mobile,...
Panel Louise in News & Announcements 1 year ago thumb_up 2
@GafferTapeKing, glad you've got it sorted! Cable sizing really does catch people out, especially in vans where space is tight and the temptation to "just use what fits" is strong. The...
Crafty Grafter in Monitoring & System Design 1 year ago thumb_up 1
@PikeTom I've wondered the same thing, especially with how much the sun angle changes through the year.
Watt Liz in Solar Panels & Controllers 1 year ago thumb_up 3