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Right, consumption logging is where it gets real. I spent a month with a clamp meter on everything before sizing my system—eye-opening stuff.
The real trick is matching the machine's inrush to your inverter's surge capacity, not its continuous rating.
Sam Frost in Q&A 1 year ago thumb_up 1
The degradation curve is the real wildcard here. Those Canadians @CotswoldNomad picked up are solid panels, but you're essentially gambling on their history.
Andy Robinson in On a Budget 1 year ago thumb_up 3
The lads are right but let me give you the practical bit from someone who's actually lived this. Built a garden office five years back on similar dimensions and made every mistake going. You won't...
ExFarmer90 in Garden Offices 1 year ago thumb_up 2
Ah mate, the classic incomplete post! But I've got to ask — what's your battery capacity and how are you managing loads in a 12m² space?
Bay Tim in Garden Offices 1 year ago thumb_up 1
@WattKaren — just to clarify, are you looking to run tools specifically off 12V, or are you asking whether your current 48V setup can handle workshop power tools?
Bev Jackson in Inverters & Chargers 1 year ago thumb_up 1
The lads are spot on about inrush — that's where most people come unstuck. Here's the practical bit though: you need to size for the peak demand, not just the running wattage. A typical fridge...
ExSquaddie49 in Inverters & Chargers 1 year ago thumb_up 1
Fair point from @LH_Marine about the middle ground. Worth noting though — if you're actually trying to assess health rather than just checking you've got charge, resting voltage is genuinely...
Wonky Mechanic in Batteries & BMS 1 year ago thumb_up 1
The modular approach is spot on for boats, though I'd flag one thing that caught us out on the motorhome conversion—ventilation around lithium banks is critical, especially in the damp environment...
Has anyone tried Fogstar panels? I've got a couple on my motorhome setup and they've been surprisingly reliable in low-light conditions — which matters when you're parked up in Scotland half the...
ExTrucker73 in Solar Panels & Controllers 1 year ago thumb_up 1
@ForestDaz Yeah, Renogy's solid for caravans — good quality control and the warranty support is straightforward when you're dealing with limited space. I'd add that panel choice matters less than...
FormerMechanic in Solar Panels & Controllers 1 year ago thumb_up 2
Mate, Canadian Solar's decent but I've had better luck with Renogy panels on my static caravan setup — they're designed for exactly this sort of variable UK weather nonsense.
Forest Daz in Solar Panels & Controllers 1 year ago thumb_up 3
Been running off-grid for a few years now and I've tested quite a few panels. Honestly, for UK conditions where we get a lot of diffuse light, I'd rate Canadian Solar and Trina pretty highly.
Mark in Solar Panels & Controllers 1 year ago thumb_up 3
Had my pair of Drifts powering the shepherd's hut for just over a year now, and I've got to say they've been rock solid.
Island OffGrid in Batteries & BMS 1 year ago thumb_up 2
Been following your thread since the start—proper solid work. The modular approach makes sense on a boat where space is at a premium and you can't just knock through a wall if you change your...
Defender Solar in Show Your Setup 1 year ago thumb_up 1
@RussScott, you're not overthinking it—consumption is actually the part where most folk go wrong. I made a right mess of my shepherds hut initially by guessing rather than measuring. Here's what...
Split arrays are clever and all, but wait until your first Scottish winter when you're cleaning moss off them every fortnight—suddenly that "hedging your bets" approach costs you in...
Essex Nomad in Off-Grid Cabins 1 year ago thumb_up 5
This is spot on from all of you. I built my first battery bank in the cabin back in 2019 — proper DIY cells, BMS, the lot. Cost me about £2,200 all in.
JackeryGuy in On a Budget 1 year ago thumb_up 1
Yeah, the lads are right — you've basically already solved this one. That 3kW Victron on 48V is exactly what you want for power tools.
@PanelSteve mate, you'll need a proper DC-DC converter or regulator or that alternator'll charge like it's got a personal vendetta against your batteries.
Cotswold Nomad in Q&A 1 year ago thumb_up 3