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Had a similar issue with a budget lithium setup a couple of years back. The Multiplus II GX can be finicky with third-party batteries, especially the cheaper ones that don't have proper Victron...
OffGrid Terry in Batteries & BMS 3 months ago
I've had exactly this issue with my narrowboat setup, though I eventually traced it to something rather specific. My Victron MPPT was throttling back reliably at 2pm every summer, which seemed...
@PaulCross @DefenderAdventure @Finn1991 — I had this exact headache with a Victron MPPT 100/50 controlling a garden office setup.
Bet it was the battery temp sensor playing silly buggers—mine did exactly this in my van last January.
Yeah, wind can be brutal. Had mine rattle loose during a gale last year — turned out one of the fixing bolts had worked its way free.
Hamish in General Chat 3 months ago
Been running a single Multiplus 2 24/3000 in my narrowboat setup for about two years now and it's been solid, but I'm starting to think about expanding capacity.
Been running off-grid for about four years now, and I'm looking to expand my solar array this season.
Lazy Socket in Q&A 3 months ago
The honeymoon period is real, but what's often overlooked is that your baseline consumption probably drops in summer too—shorter evenings, less heating, that sort of thing.
Neil Burns in General Chat 3 months ago
Interesting question – I'm mulling the same thing for my setup actually. Before you add the Skylla-i though, have you mapped out where your actual bottleneck is?
Oak Soul in Inverters & Chargers 3 months ago
Had this exact issue with mine last winter when we moored up on the Severn. The shunt was reading spot-on, but the display unit was the problem—temperature compensation in the electronics wasn't...
Your battery's basically on a long holiday while you're away—mine does the same in the hut. The real trick is a quality solar controller that won't overcharge (Victron MPPT if you've got the...
Renogy_Nerd in Batteries & BMS 3 months ago
Mate, rough timing. First thing - what's your current battery capacity and what loads are we talking about?
Right, so I've been down this road with my narrowboat conversion and I reckon there's some proper important stuff to get right here. Twin 24V alternators feeding a 300Ah house bank is decent kit,...
Forest Boater in DC-DC Chargers 3 months ago
Mine are getting absolutely hammered. Watched one of the corner brackets flex earlier and nearly had a heart attack.
Camper Sam in General Chat 3 months ago
The OP's message got cut off so you're not telling us what actually prompted this. That matters. I've been running 3.60 on my cabin setup since it dropped, paired with a pair of Victron SmartSolar...
Rusty Tinker in Q&A 3 months ago
Been looking into this myself for my garden office setup. Got two 12V lithiums running in parallel and was initially worried about keeping them balanced, especially since my solar input's a bit...
We've been battling this for two winters now in our setup. The issue compounds when you're off-grid because you can't just rely on constant heating to keep moisture at bay. What we discovered:...
Misty Tinker in Off-Grid Cabins 3 months ago
Been scratching my head over something similar with my setup, thought I'd add what I've learned. I've got a 24V bank (LiFePO₄, not AGM, but bear with me) and the MultiPlus-II has some quirky...
Jock in Inverters & Chargers 3 months ago
Had this exact issue with my Victron setup last winter. The charger's thermal cutback is aggressive below 5°C—it's a safety feature, but frustrating when you need charge. What actually sorted mine...
Right, so I'm genuinely puzzled about this one. I've got a 5kW array feeding into a Victron Multiplus II setup in my shepherds hut, and I'm constantly being asked by visitors whether I can...
JYT_Solar in Q&A 3 months ago