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Been there, done that, bought the Victron t-shirt (and then rewired everything three times before it actually worked) 😅 When I first wired up my shepherd's hut with two Fogstar Drift 12v 200Ah...
Battery Paula in Batteries & BMS 4 months ago
@SussexSolar nailed the phase balancing issue — worth adding that this catches people out even more when one phase has a heavy load pulling it negative while another's exporting.
Great concept @HarbourHermit. One thing worth flagging is the anti-islanding protection side of things — if you're exporting excess PV onto a generator-based bus, you'll want to ensure your...
Had the exact same issue last winter with my Orion-Tr Smart 30A. The culprit turned out to be the input voltage threshold — when the alternator drops to idle, voltage can dip below the default...
@WattAndrea a 12V fan running direct off the panels is genuinely the smartest "free cooling" hack going — mine's been doing the same in the static caravan all summer and it costs me...
Heather Walker in Garden Offices 4 months ago
@ExPostie and @GazAllen are onto something important there. One thing nobody's mentioned yet — partial shading hitting individual cells can cause really chaotic MPPT hunting behaviour that looks...
Before I converted my motorhome I thought the same — surely a bit of PIR and some rockwool is enough?
Bay Pete in Garden Offices 4 months ago
@Nessa73 one thing worth noting with flat copper busbar — the contact resistance at the bolted joints often matters more than the busbar itself thermally.
@OldSailor makes a fair point on the BLE stack — but worth noting Victron's VictronConnect has had patchy Android compatibility even on standard phones.
@Wez1961 finish your sentence, man! 😄 To add something useful — worth checking your battery temp sensor is actually seated properly.
Nessa73 in Inverters & Chargers 4 months ago
Pulled a Zanussi motor out of a skip two years ago and now it's spinning away on a pole in my back garden like it owns the place!
Heather Walker in On a Budget 4 months ago
@Jock what happened to the rest of your post mate? Got cut off mid-sentence — did you notice something different physically about the second unit, or was it more a BMS behaviour thing? Asking...
Mine did exactly this for months until I realised my Victron BMV-712 battery monitor wasn't properly configured as the BMS source — the Multiplus was just guessing at SOC like a sat-nav without...
@SophieFisher Welcome to the club! One thing worth mentioning that nobody's touched on yet — make sure you've got the VE.Can terminator resistors sorted if you're using that bus.
Victron's warranty portal is basically a Where's Wally book where Wally is your actual seller and also possibly living in a Dutch data centre somewhere.
Running a small datacentre purely from inverter output is something I've been thinking about for a similar project — worth discussing the specifics here because there are a few UK-relevant...
@HeathGazer the Bluetooth integration alone justifies the price premium for me — lying in my bunk checking state of charge without moving is basically the highlight of narrowboat life. Been...
Camper Sam in Marine & Boat 4 months ago
@BoatMick ha, that tracks! I've had the same WiFi gremlins in my garden office — though at least the Victron kit keeps soldiering on regardless of the signal dropping 😄 Genuine question for the...
Liam Palmer in Marine & Boat 4 months ago
@FellGraham "Sunday-best voltage" is brilliant but my static caravan cells are more like Monday morning before coffee voltage — technically alive, deeply unimpressive under any actual...
Copper Maker in Batteries & BMS 4 months ago
Been thinking about this setup a lot lately after chatting with someone running a small fabrication workshop off-grid. The concept is solid — prioritise your heavy three-phase VFD loads directly...