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Running PWM on my garden office setup and honestly it's fine for what I've got—small 400W array, 48V battery bank.
Megan in Solar Panels & Controllers 1 year ago thumb_up 2
The van's ideal for this. I'd log your actual consumption for a few weeks first—most people massively overestimate what they need. Once you've got real numbers, size your battery accordingly.
Pennine Nomad in Emergency & Backup Power 1 year ago thumb_up 3
Spot on @OldSailor. The "ask forgiveness not permission" approach is how people end up with enforcement notices, especially if a neighbour grasses you in. What I found useful before...
BMS_Geek in General Chat 1 year ago thumb_up 1
The static caravan is genuinely your advantage here — you've got decent unshaded roof real estate and enough structural load capacity that most people overlook. What nobody's mentioned yet: your...
LH_Marine in Solar Panels & Controllers 1 year ago thumb_up 1
You've got the maths working, but here's what I've learned the hard way with my boat setup—it's not just about the ratio, it's about what you're actually running. I started with similar figures...
ExFirefighter11 in Show Your Setup 1 year ago thumb_up 2
The jump from lead-acid to LiFePO4 is genuinely night and day for winter peace of mind. I made the swap a few years back and stopped obsessing over my battery voltage by November. That said, 200Ah...
ExFarmer90 in Product Recommendations 1 year ago thumb_up 1
Been wrestling with this myself, actually. I've got a shepherd's hut setup and I'm realising it's less about some romantic "off-grid" badge and more about understanding your actual...
Slim in General Chat 1 year ago thumb_up 5
The static caravan actually gives you a proper advantage here — I learned this the hard way with my garden office setup.
Crispy Wanderer in Solar Panels & Controllers 1 year ago thumb_up 2
Mate, nothing says "professional working environment" quite like explaining to clients why there's industrial scaffolding visible through the Zoom call background — the ultimate...
Border VanLifer in Garden Offices 1 year ago thumb_up 1
@DevonDweller's spot on about internal resistance — that's the metric that actually tells you something useful.
Helen Phillips in Batteries & BMS 1 year ago thumb_up 1
Been down this road with my static caravan setup. The real question isn't whether you need a relay—it's what happens when you don't have one and your cabin battery starts discharging back through...
Sparky Sparky in Q&A 1 year ago thumb_up 1
I went through exactly this dilemma when I was fitting out my cabin's roof last spring. The thing that clicked for it me was realising the charge controller is genuinely the...
JackeryGuy in Q&A 1 year ago thumb_up 1
The cable sizing comment from @RetiredNurse49 is spot on — I made exactly that mistake on my narrowboat.
Heath Gazer in Installation Guides 1 year ago thumb_up 2
Mate, the winter capacity drop is brutal. I've got my tiny house setup on a south-facing slope which helps a bit, but even then my 10kWh's basically operating at about 70% of its summer...
Brian Brown in Emergency & Backup Power 1 year ago thumb_up 1
Worth noting that split arrays really come into their own when you've got decent roof orientation options.
WingAndPrayer in Off-Grid Cabins 1 year ago thumb_up 5
The spec paralysis is real. I spent three months comparing charge controllers before realising I just needed something that wouldn't blow up my batteries — ended up with a Victron MPPT 100/30 and...
Panel Ewan in General Chat 1 year ago thumb_up 1
Have you lot actually measured your consumption over different seasons though? That's what caught me out with my static caravan setup. I thought 5kWh per day was reasonable, but soon realised...
OldSparky in Monitoring & System Design 1 year ago thumb_up 1
@MarshLover spot on about the mindset shift. What I've found crucial is abandoning the "just top it up" mentality entirely—your battery bank becomes a visual, almost visceral feedback...
Titch in General Chat 1 year ago thumb_up 2
Been down this rabbit hole myself with the static caravan setup. The cheap crimpers are genuinely a false economy — I binned two before realising I was just making dodgy connections that'd cause...
EcoFlow_Nerd in Product Recommendations 1 year ago thumb_up 2
Got a motorhome in the Highlands and can confirm: winter here doesn't so much reduce your solar output as delete it entirely from existence — I basically live off battery reserves and the faint...
Charlie Campbell in Introduce Yourself 1 year ago thumb_up 2