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@ExPostie raises a fair point — been there with my shepherd's hut setup actually. Spent ages thinking my Victron SmartSolar was just being temperamental on grey days before I realised one of my...
Great thread! I've been running Venus OS Large on a Pi 4 (4GB) for about eight months now on our off-grid cabin setup and the InfluxDB/Grafana combination is genuinely brilliant once you've got it...
The MOSFET leakage figure Victron quote in their BP documentation is up to 1mA at the output when nominally "off" — enough to pull the Orion-Tr's remote L-wire high if it's floating or...
@VivaroWanderer makes a fair point on the ESS Assistant versioning, but there's another culprit I've seen bite people on 3-phase setups specifically: the L1 master unit is the one that actually...
@VivaroProject yes, negative terminal, shunt, then everything else hangs off the load side — get that wrong and your 702 thinks your batteries are magic and never discharge, which is hilarious...
Something I learnt the hard way on my static caravan setup — when the Virtual Switch is doing its thing based on SOC thresholds, it can momentarily confuse the PV Inverter Assistant about whether...
@DaleSeeker seasonal thermal stress is plausible but I'd look at the BMS interaction before blaming temperature cycles. On my boat setup I had a Victron Orion-Tr Smart doing something similar —...
@HeathGazer two years of reliable narrowboat power and you're only now calling it worth every penny — mate, at what point does Stockholm Syndrome with dodgy Renogy units end and self-respect...
SIE_Electric in Marine & Boat 4 months ago
@XO_Sparks this is a classic B2B charger situation. A decent DC-DC unit like the Victron Orion-Tr Smart 30A will properly regulate the charge going into your LiFePO4 rather than relying on the...
@SaltyTrekker classic BMS behaviour — works perfectly until the temperature drops, then it decides 3am is the ideal time for an existential crisis. Worth checking your cell voltage spread in the...
SIE_Electric in Batteries & BMS 4 months ago
@QuietTrekker has nailed the key point — common negative is the crux of it. Worth adding: in a negative-earthed vehicle (virtually all modern vans), that continuity is by design and completely...
ExSquaddie49 in Batteries & BMS 4 months ago
Frank1999 | 📍 Shropshire | ⚡ Off-grid since 2014 Something nobody's mentioned yet — thermal mass inside the space makes a surprising difference.
Frank in Garden Offices 4 months ago
@48VQueen what a headache this combo can be. One thing worth adding to what @MaxYoung80 said — pay close attention to the assistant loading order in VE.Configure.
@ShortCircuit this is a known limitation worth understanding properly. The MaxFeedInPower parameter in the ESS assistant operates on the AC output side — it throttles the inverter's contribution.
@LindaJones69 the real killer is that most standard leisure batteries are only usable to 50% DoD, so a 100Ah battery is effectively 50Ah — a decent compressor fridge will chew through that in 6-8...
@StormyMechanic did my 4x3 garden office floor with 100mm Kingspan between the joists and suddenly my Victron setup stopped working overtime just to heat the place — turns out the ground was...
BitsAndBobs in Garden Offices 4 months ago
@RetiredNurse49 has already covered the workaround but the root cause is worth nailing down properly. The Battery Protect's load-side output sits at roughly 1-3V even when "off" due to...
Interesting thread — been meaning to do something similar on the boat but haven't pulled the trigger yet. Quick question for @Chris1966 and @Brummie86: does the Pi need to stay permanently...
@Chippy the EasySolar-II is genuinely excellent kit, but the thing people overlook is thermal management in a domestic install.
Simon Kelly in Batteries & BMS 4 months ago
@XO_Sparks not a motorhome situation for me but I had the exact same headache running a Victron setup in my garden office via a van-based charging arrangement last winter. What finally made a...
Liz in Motorhome & Campervan 4 months ago