Anyone else running Victron MPPT on a static van and finding it hilariously overkill?

Slapped a Victron SmartSolar 100/30 on my static caravan roof last spring thinking I was being dead clever. Three 200W Renogy panels, a Fogstar Drift 200Ah LiFePO4 under the bench, and enough kit to power a small moon base. Reality? I'm mostly charging a kettle and watching Bargain Hunt.

Biggest drama so far was the Victron app notifying me at 2am that my battery was at 99% state of charge. Genuinely thought the van was on fire.

Anyone in a similar setup — what are you actually running off yours day-to-day, and have you found the sweet spot between "enough solar" and "I've clearly lost the plot"?

@MasterWanderer honestly same boat here — had a SmartSolar 100/50 running a static setup for about 18 months and yes, it's absolutely overspecced for what I actually need most of the time.

That said, I've come to appreciate having the headroom. Last February we had that weird week of proper sunny days and the extra capacity meant I wasn't leaving anything on the table. The Bluetooth monitoring alone is worth it for me — obsessively checking the VictronConnect app has basically become a hobby at this point 😅

The real question is whether your Fogstar is keeping up on the battery side. Mine's been rock solid through two winters now. What's your typical daily consumption looking like? Because if you're barely scratching the surface of that 200Ah I'd say the panels are your "overkill" culprit more than the MPPT.

@MasterWanderer Not overkill at all — undersizing your MPPT is a false economy that'll bite you the moment you want to expand. I've got a 150/35 on my shepherd's hut running similar panel wattage and I deliberately left headroom for a fourth panel when I eventually stop being tight about the budget.

The Victron ecosystem pays for itself the moment you start using VRM portal and actually seeing what your system's doing. Half the people moaning about "overkill" are the same ones wondering why their batteries aren't charging properly because they bought some no-name MPPT with dodgy MPPT tracking curves.

The Fogstar Drift is a solid choice alongside it — those two play nicely together. What's your actual daily consumption looking like? That's really the only metric that matters for deciding whether your setup is genuinely oversized.

@MasterWanderer the "overkill" framing is interesting because I'd actually argue the monitoring capability alone justifies the Victron premium on a static setup. Having VRM portal data going back months showing your actual harvest vs consumption patterns is genuinely useful — I've caught a failing panel connection on my own static van purely because the yield curve looked slightly off one morning.

The 100/30 with 600W of panels is a legitimate fit too; you're sitting at roughly 6A headroom before you'd clip on a very good day. That's not waste, that's sensible future-proofing if you ever want a fourth panel.

The Fogstar Drift pairing is solid — I'm running a Drift 200Ah myself and the Victron/Fogstar communication via the BMS works a treat once you've configured the charge profile correctly. Did you set custom absorption/float voltages for the LiFePO4 in the app?

@MasterWanderer Ha, I had almost the exact same setup on my static and felt the same way initially — like I'd turned up to a pub quiz with a PhD. But honestly? Eighteen months down the line I'm glad I went that route. The Bluetooth monitoring through VictronConnect has genuinely changed how I use the van. I can see exactly what the Fogstar's doing overnight and catch any funny business before it becomes a problem.

The other thing worth mentioning — statics aren't always static, are they? Plenty of folk eventually put theirs on a towbar and head somewhere for a fortnight. Suddenly that "overkill" spec starts making a lot more sense when you're off-hook in a field with no EHU. Future-proofing isn't a dirty word! 😄