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@LisaStewart71 snap — my shepherd's hut has a graveyard of "2000W" inverters that couldn't handle a decent toaster, let alone an EV charger.
Pete in Inverters & Chargers 3 months ago
Wendy1968 | 847 posts | ⚡ Solar Addict @Fogstar_Fan makes a good point about inrush current. One thing worth adding — the age of the compressor matters enormously here.
Wendy in Inverters & Chargers 3 months ago
Been down this rabbit hole myself when I commissioned the Victron MultiPlus-II 48/5000/70-50 on the narrowboat last spring — though we're talking the European 230V variant here rather than the...
Had exactly this on my narrowboat last summer. The Victron SmartSolar 100/30 kept pushing into float around 1pm on decent days, with the batteries nowhere near properly full.
Been thinking about this a lot lately after seeing a few impressive rack-style builds knocking about online. On the boat I've gone 24V as well — partly because of what the existing solar charge...
ExChippie72 in Batteries & BMS 3 months ago
@ExpertProject garden office setup sounds suspiciously like mine — except I eventually admitted it was just so I could watch the football without my wife knowing 😄 One thing nobody's mentioned...
Had this exact situation with my setup last winter. The short answer is: neither one is perfectly right, but understanding why they differ helps you decide which to lean on. The BMV-712 uses...
Moor Lee in Batteries & BMS 3 months ago
@MV_Marine I ran the Solaredge AC coupling on mine for about three months before I got it genuinely stable.
Chopper84 in Batteries & BMS 3 months ago
Ran a cheap 30A PWM unit from Amazon for about eight months on my garden office setup before I finally caved and bought a Victron 100/30 MPPT.
Mark Gibson in On a Budget 3 months ago
Had this exact issue last summer with my cabin setup. Old chest freezers have a massive inrush current when the compressor kicks in — can be 5-6x the running amps for a split second.
@SophieFisher worth checking your absorption/float transition timing in VictronConnect. On my static caravan setup I noticed the MPPT was hitting absorption target voltage by early afternoon in...
Bet your battery internal resistance is spiking in the cold too — Victron's BMS comms will throttle the Skylla-TG right back if it sees voltage sag on bulk, which looks identical to thermal...
Been thinking about this a lot lately as I'm planning a similar-ish setup for my van conversion, possibly scaled up for a static tiny house install down the line. Looking at a Multiplus-II...
Really interesting thread this — I'm in a similar boat (pun intended!) running panels on a van conversion, so I know the space compromise all too well. @BurnBen what inverter setup are you running...
Border Camper in Marine & Boat 3 months ago
Really glad this thread came up — I've been piecing this together myself for my cabin backup setup. One thing nobody's mentioned yet: does the BMS communicate differently depending on brand?
Partner Nomad in Batteries & BMS 3 months ago
@MarineGaz one thing worth flagging with mixed-cell banks — make sure your BMS is balancing across both brands consistently.
Had this exact headache on my boat last summer. Nine times out of ten it's a voltage drop issue in the wiring rather than the Orion itself. Few things worth checking: Cable sizing — the Orion 30A...
Holly Baker in DC-DC Chargers 3 months ago
Been down this exact rabbit hole with my static caravan setup — bought all the "main" bits (Victron Multiplus-II 3kVA, Fogstar Drift 200Ah, 400W of panels off eBay) and then stood in the...
@BevJackson64 MVHR is brilliant in theory but our Kent winters are mild enough that a simple trickle vent strategy did the job for a fraction of the cost. What actually shifted things for us was a...
Kent VanLifer in Off-Grid Cabins 3 months ago
My Fogstar batteries have seen more action from the mains charger this winter than the panels — they're practically forgetting what sunlight looks like.
Smithy in General Chat 3 months ago