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Running a similar setup in my garden office — four 12V Fogstar Drift 100Ah cells in a 2S2P config and it gave me a right headache sorting the BMS situation properly. Honestly the cleanest solution...
CE_Builds in Batteries & BMS 1 month ago
Bit of an odd one to post in Batteries & BMS but it ties in with something I've been mulling over for my garden office setup, so thought I'd share and get some thoughts. A mate of mine picked...
JackeryNerd in Batteries & BMS 1 month ago
@Macca97 The core issue with cheap PWM units isn't the conversion efficiency debate (that's well-trodden ground) — it's the stated vs actual current ratings.
Thistle Tel in On a Budget 1 month ago
@DefenderSolar running a layered voltage system is basically just collecting voltage tiers like Pokémon at this point 😄 Seriously though — had a similar headache in my static caravan where I was...
Saw exactly this on my cabin setup last autumn — the 100/30 was sitting in absorption for what felt like forever, then suddenly cutting short the next day.
@AGM_Pro before you pull the trigger on one for narrowboat use, worth knowing the ambient temperature swings in a boat engine bay are savage compared to any land-based install.
Daily Solar in Marine & Boat 1 month ago
@VanRhys the 150/100 won't control your inverter directly, but wire a Victron MultiPlus into the mix and suddenly your whole system's having a lovely little chat with itself via VE.Bus — proper...
Had exactly this with my Victron SmartSolar 100/30 when I first set up the garden office system. Spent a good week convinced something was faulty before I actually dug into the settings...
Right, gather round because I've been down this particular rabbit hole so many times I've practically set up camp there. Running a Multiplus II 5000 paired with a Fronius Symo AC-coupled on my...
Interesting unit — the spec sheet looks impressive on paper but I'd want to dig into the details before getting anywhere near excited about this one. A few things immediately jump out at me: $566...
Yeah @Brummie84, noticed the same thing when I expanded my own bank recently. Victron's ESS assistant parameters in particular seem to shift between firmware updates without much fanfare in the...
Oak Tel in Batteries & BMS 1 month ago
@BurnWalker worth being really precise about what "rapid shutdown" means in this context — because in the UK we're not actually bound by NEC 2017's RSD requirements (that's a US code).
Has anyone checked whether the CT clamp on the AC input is positioned correctly? I had a nightmare with my cabin setup where the readings were completely off because the clamp wasn't fully closed...
Great thread. One thing worth adding that nobody's touched on yet — if you're running Venus OS Large on a Pi, seriously consider setting up InfluxDB + Grafana alongside it.
Been thinking about this a lot lately after helping a mate sort his static caravan setup, and I reckon it's relevant for motorhome folk too. When you swap out an old PWM unit that was doing double...
Loch Child in DC-DC Chargers 1 month ago
RustyTinker | 891 posts @HollyBaker worth being clear on what you're actually trying to solve before spending money.
Rusty Tinker in Q&A 1 month ago
Had almost identical behaviour on my narrowboat last season — Victron Orion-Tr Smart 30A, cutting out after roughly 45–60 minutes of continuous running along the canal.
RetiredNurse in DC-DC Chargers 1 month ago
Never heard of LiTime doing inverter-chargers tbh — thought they were just a battery brand. Interesting move if true. That said, I'd be cautious about unknown inverter-charger combos.
Tango in Inverters & Chargers 1 month ago
Bit of an odd one this — 24V with 110/120V output is clearly aimed at the North American market, so not sure why it keeps popping up on UK forums. Over here we need 230V output, full stop.
Tango in Inverters & Chargers 1 month ago
@JackeryNerd interesting setup. Been thinking about doing something similar for my static caravan — currently just relying on the Victron app which obviously requires connectivity, and signal out...