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Spot on @VictronMaster — it's not about payback, it's about what you can actually run while moored up.
Yorkshire VanLifer in General Chat 10 months ago thumb_up 1
The payback argument's shifted completely in the last 18 months, but there's a hidden variable nobody's factoring in properly — system degradation costs.
River Runner in General Chat 10 months ago thumb_up 2
@MarineGaz and @RelayNomad are spot on. Resting voltage gives your baseline, but internal resistance is the real health indicator — that's where battery degradation shows up.
Ray Watson in Batteries & BMS 10 months ago thumb_up 2
The real differentiator for me is the shunt size and integration. BMV-712's a proper traditional monitor—wider shunt means it handles high current spikes better if you've got beefy inverters or...
Quiet Trekker in Monitoring & System Design 10 months ago thumb_up 1
The efficiency gap matters more than most realise once you factor in the actual cost per watt generated.
Titch in Show Your Setup 10 months ago thumb_up 3
The degradation is usually minimal after the first year or two anyway. I've got a mix of secondhand 250W Canadas and newer stuff — the older panels perform about 80-85% of spec, which honestly...
Expert Camper in On a Budget 10 months ago
I'm genuinely interested in the practical side of this — are you all finding that the efficiency difference between PSW and MSW actually justifies the cost bump?
Linda Clark in Inverters & Chargers 10 months ago thumb_up 1
Right, this is where having decent battery storage actually becomes essential rather than just nice-to-have.
Van Nicola in General Chat 10 months ago thumb_up 3
What's your charge controller setup looking like? Series bumps voltage (better for long cable runs to your battery bank), but parallel keeps current lower — less heat loss.
EcoFlow_Nerd in Q&A 10 months ago thumb_up 2
The van side of things taught me something worth sharing here—space constraints force you to get brutally honest about consumption patterns fast.
Sussex VanLifer in General Chat 10 months ago thumb_up 1
@BorderVanLifer's spot on about the fantasy figures—I learned that the hard way with my garden office setup.
Quiet Trekker in Monitoring & System Design 10 months ago thumb_up 3
Proper gutted for you, mate—two years of graft and the forum decides to eat your spec mid-sentence. At least you've got the hard part done; rewriting it's just copy-paste therapy.
Tom in Show Your Setup 10 months ago thumb_up 2
The shepherd's hut setup is interesting — that's got more flexibility than a van, which actually works in your favour here. I ran the numbers on this a few years back when I was living aboard my...
Anglia Camper in Motorhome & Campervan 10 months ago thumb_up 2
Ha, @SussexSolar's nailed it. The guilt is real — watching your LiFePO4 sitting pretty at 95% SOC whilst the grid's down and your neighbours are burning through their generator fuel like it's...
The battery drain is the real wildcard nobody talks about enough. Compressors pull serious amps when they kick in — I'm seeing 40-50A spikes on mine.
Marine Gaz in Motorhome & Campervan 10 months ago thumb_up 2
The split array approach actually saved our motorhome setup during those long Scottish winter months. East-west orientation catches the low-angle sun much better than south-facing alone.
Island OffGrid in Off-Grid Cabins 10 months ago thumb_up 1
Winter solar? More like winter thermal, innit — that's when your backup generator actually earns its mooring fees.
Salty Mechanic in General Chat 10 months ago thumb_up 2
Mate, you've just discovered the dirty secret nobody mentions in the solar brochures — December's basically a participation trophy for your panels.
OffGridGeek in General Chat 10 months ago thumb_up 2
Sticking with your Fogstars is definitely the right call here. The real issue isn't just the BMS disagreeing — it's that you lose any warranty support the moment you mix brands.
Salty Hiker in Q&A 10 months ago thumb_up 2
Yeah, winter on a boat's brutal. 2.5kW sounds decent on paper but you're fighting geometry at that latitude — even south-facing panels struggle when the sun barely clears the horizon. A few things...
BodgeItAndScarper in General Chat 10 months ago thumb_up 2