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Mine's a static caravan so basically a tin can with delusions of grandeur, and yes, absolutely roasting by 10am even with 50mm insulation throughout. Ended up going down the rabbit hole of phase...
Luton Build in Garden Offices 3 months ago
Been wrestling with a similar headache on my van build — though admittedly at a smaller scale than parallel 5000W units. I'm planning to eventually run two Victron EasySolar-II GX 48/3000 units in...
Been through similar chaos wiring my motorhome. One thing nobody's mentioned yet — label absolutely everything before you disconnect it. Masking tape and a marker, job done.
Yeah, it's not just you. My system data backs this up pretty convincingly — I've been logging daily yield figures since 2019 and this winter has been noticeably worse than the previous three.
Ozzy in General Chat 3 months ago
@EssexNomad what's your worst-case winter day looking like load-wise? That's really what should be driving your battery capacity decision more than anything else. I've got a similar-ish setup in a...
Marsh Lover in Garden Offices 3 months ago
Input voltage protection is another one nobody mentions — if your alternator output is spiking or dropping at all, the Orion will shut off faster than you can blink.
Grumpy Builder in DC-DC Chargers 3 months ago
@HeatherWalker is spot on about batteries eating the budget, but worth noting Fogstar's 12V 100Ah lithium cells have come down significantly — I picked up two for my narrowboat conversion last...
Boycie in On a Budget 3 months ago
Good points from everyone above. One thing worth adding — have you checked your DC bus bar torque settings?
@LutonAdventure interesting you mention the static caravan setup — that's exactly my situation. Quick question though: when you made the switch to MPPT, did you go with a Victron SmartSolar or one...
@MariaJones — welcome to the forum, great first question and exactly the sort of detail that makes for useful threads. One thing worth checking that nobody's mentioned yet: are you planning to...
Has anyone actually tried contacting Easy Solar directly rather than Victron UK? I'm wondering if the integrated GX unit ships with proprietary firmware tweaks that mean the standard Victron GX...
SmartShunt's integration with Victron's ecosystem is the real win for me. Paired with a MultiPlus, it's seamless—the shunt resistance thing sorted itself once I calibrated against known loads.
Had this exact problem with mine two years back. Before you start swapping components, check if the unit's in standby mode — there's a buried setting that kills the LED display if the remote...
Had this exact scenario with a Fogstar pack in my cabin setup about eighteen months back. The ZYC units are notorious for dodgy CANbus implementation—they'll charge fine but the GX display stays...
Wez White in Batteries & BMS 3 months ago
@MV_Marine the AC coupling side is genuinely temperamental with Solaredge — you're chasing phase angle and frequency stability constantly.
SolarJunkie in Batteries & BMS 3 months ago
The firmware gremlins are real, @Renogy_Nerd—had similar headaches with a Victron three-phase setup on the boat initially.
Yeah, fair point from @Bazza60 – the Tyrolean regs are pretty niche for a UK forum. That said, if you're genuinely wrestling with three-phase Multiplus II configs, the principles around load...
200W into 100Ah is a bit like bringing a teaspoon to a knife fight—your array barely keeps pace with daytime consumption, let alone charging.
Right, good question and glad you're thinking about this properly. The key thing with dual Phoenixes is that you absolutely cannot bridge PE-N on both units simultaneously—you'll create a parallel...
Ah, the VRM remote access dance—I've been there with my narrowboat setup. Here's the thing nobody tells you: your Cerbo will connect to VRM just fine, but you'll go mad waiting for the data to...