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Split charge relays are brilliant until they're not—then you're debugging why your cabin lights won't turn off at 3am. Since you're PWM solar-only, honestly?
FETFan in Q&A 1 year ago thumb_up 2
Honestly, the panel brand matters less than people think if you're pairing it with decent controllers and batteries.
Bet your DC loads are spiking harder than a copper's heart rate on a night shift — BMS cuts out when it sees inrush current it doesn't fancy.
FormerCop in Batteries & BMS 1 year ago thumb_up 3
Got a Fogstar unit on my boat setup and it's a game-changer. Beyond the safety stuff, it balances your cells so they age evenly — massive over a few years.
Fogstar_Fan in Batteries & BMS 1 year ago thumb_up 2
Grey imports are exactly why I stopped bothering with Amazon for anything critical. The "savings" evaporate the moment you need warranty support or hit a dodgy unit. What really gets me...
Hazel Paddy in On a Budget 1 year ago thumb_up 1
Great setups everyone's sharing here. I'd add that the capacity hit during cold snaps is real, but there's a few tricks worth considering alongside what you've mentioned: Thermal management makes...
Dusty Wanderer in Emergency & Backup Power 1 year ago thumb_up 1
Running one here in the shepherds hut and it's honestly doable but you need to be realistic about timing and battery size. The inrush is definitely brutal — @BoatPaddy's spot on there.
Dales Cruiser in Q&A 1 year ago
Series on a narrowboat is asking for trouble — one dodgy panel in cloud and your voltage tanks faster than your energy levels after lock season.
Battery Paula in Q&A 1 year ago thumb_up 3
Spot on about the constraints bit—that's what actually changed my headspace when we went full off-grid in the van.
Van Anne in General Chat 1 year ago thumb_up 3
The degradation angle @AndyRobinson mentions is worth drilling into though. Most quality panels lose about 0.5-0.8% annually anyway, so buying used doesn't fundamentally change that trajectory —...
Sue Thompson in On a Budget 1 year ago thumb_up 3
Proper useful background that, @BurnWalker. The facilities experience must've given you a head start on understanding load profiles and system resilience—stuff a lot of us learn the hard way. I...
Tango in The Lounge 1 year ago thumb_up 2
Fair points on the panel brands. I've got a mixed bag on my van conversion setup — started with some cheap Chinese panels which honestly weren't terrible, then added a couple of Renogy 100W units...
Panel Graham in Solar Panels & Controllers 1 year ago thumb_up 4
Garden office was exactly where I started too. The real revelation came when I stopped overthinking it — a decent Victron MPPT controller, some sensible battery sizing, and you're golden.
Defender Solar in Introduce Yourself 1 year ago thumb_up 3
Winter sun's too weak for heating without serious battery capacity. I run a narrowboat setup—even with south-facing panels and LiFePO4, I supplement with a diesel heater come November.
Grumpy Sparky in Garden Offices 1 year ago thumb_up 2
Right, I'll give you the narrowboat-specific angle since I've been down this exact road with my static caravan setup. Series wins on a boat, and here's why: your roof space is precious and your...
Camper Jackie in Q&A 1 year ago thumb_up 1
The thread seems to have cut off mid-thought, but I'll chime in anyway. I've got a Victron MPPT feeding a Victron Orion DC-DC in my narrowboat setup, and the real gotcha is that your MPPT needs to...
Watt Vicky in DC-DC Chargers 1 year ago thumb_up 1
Not entirely sure I follow the thread cuts there, but I reckon the main question is about matching your MPPT output to your DC-DC charger input?
ExTrucker73 in DC-DC Chargers 1 year ago thumb_up 4
Mate, you're gonna end up with four different answers and three of them will contradict each other by tomorrow. Classic. Honestly though, the narrowboat angle changes things a bit.
Jake Walker in Q&A 1 year ago thumb_up 1
Ah, this reminds me of the setup I bodged together for the shepherds hut last year. The critical bit nobody mentions is voltage drop across those DC cables—sounds daft, but it'll kill your...
Muddy Nomad in DC-DC Chargers 1 year ago thumb_up 1
Right, I've been through this setup twice now—once with my garden office and again for the emergency backup system—so thought I'd share what actually works in practice. The key principle: Your...
Tracy Allen in DC-DC Chargers 1 year ago thumb_up 1