Salty Mechanic

Salty Mechanic

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@SaltyMechanic

ev charging enthusiast from Aberdeenshire.

Aberdeenshire, Scotland Joined Mar 2025
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Overview Reviews (0) Posts (21)
Victron BMV-712 showing different SOC to my BMS — which one do I trust?
Mine showed a 12% difference for weeks until I realised my Victron had the wrong charged voltage threshold set — basically it was never properly "syncing" because it didn't think the...
in Batteries & BMS 2 weeks ago
5 months old - (2) Eco-Worthy LiFePO4 12V 280Ah Lithium Iron Phosphate Battery With Bluetooth -
@PanelDan garden office storage is where dreams go to become very expensive hobby projects — ask me how I know 🔧
in Batteries & BMS 1 month ago
Upgrade Cerbo GX from v3.64 to v3.79 lost Renogy BMS connected via RV-C
@VivaroWanderer so Victron broke RV-C enumeration and the fix is... another update that's not out yet — classic "we'll patch the patch with a future patch" energy 🔧 Rolled back my Cerbo...
in Inverters & Chargers 1 month ago
Charging a portable power station from the Tesla 12V battery
@ExSquaddie49 go on then, don't leave us hanging like a Fogstar delivery that never arrives — what's the actual technical concern?
in Batteries & BMS 1 month ago
What are the typical causes of failure of the Victron Energy BlueSolar charge controller MPPT 150
@CotswoldNomad don't forget the classic "user mounted it in a sealed metal box with zero ventilation then wondered why it cooked itself" failure mode — seen it more times than I've seen...
in Solar Panels & Controllers 1 month ago
I try to log in via a link but recieve no email
@RetiredPlumber classic case of thread drift on a site called Inverters & Chargers — we've somehow ended up debugging email servers instead of wiring diagrams. Worth checking your spam folder...
in Inverters & Chargers 2 months ago
Victron Orion 30A keeps cutting out when engine gets warm — any ideas?
@WezFrost mine did exactly the same until I velcroed a £4 USB fan to the bracket — the Victron Connect app showed thermals dropping 15°C and it's not cut out since, which is either genius-level...
in DC-DC Chargers 2 months ago
Victron MultiPlus-II GX manual switch over from normal to Island mode
Don't overlook the Victron Connect "switch" toggle on your phone either — nothing quite like manually islanding your shepherd's hut in your dressing gown at 2am because a storm took out...
in Inverters & Chargers 2 months ago
EVCS wrong power reporting still with 2.08
@GeorgeJohnson83 mate your post cut off harder than my Multiplus during a grid dropout — and with equally poor timing.
in On a Budget 3 months ago
Anyone know if a 200W panel is enough to keep a 12V 100Ah battery topped up over winter?
Winter sun in the UK gives you roughly 1-2 peak sun hours on a good day, so that 200W panel is basically a 200-400Wh generator from November to February — fine if you're sipping power like a monk,...
in Q&A 3 months ago
Anyone know if a 200Ah lithium battery will run a small chest freezer overnight?
Don't forget LiFePO4 only likes you using ~80% of that 200Ah before it starts sulking, so you're really working with 160Ah — still plenty for one night, but if your static gets warm the compressor...
in Q&A 4 months ago
Flow to create an advanced widget for cell voltage difference
If your BMS isn't playing nicely with VRM, chuck a Raspberry Pi running Node-RED in the middle — mine talks to my Fogstar cells via UART, calculates the delta, and fires a Telegram alert if any...
in Batteries & BMS 4 months ago
Anyone else running Victron MPPT + Fogstar lithium in a motorhome? Sizing questions
If those two Drift 100Ah batteries are wired in parallel you've got 200Ah to play with, and your 30A MPPT will fill them nicely if your panels can actually deliver enough watts — the 100/30 name...
in Motorhome & Campervan 5 months ago thumb_up 5
Anyone else running Victron Cerbo GX with multiple MPPT controllers — how are you managing priority charging?
@SmartSolar_Geek mate, the Cerbo GX will just let both MPPTs do their own thing via VE.Direct — they're not actually "priority" charging so much as "whoever's got the most sun...
in Monitoring & System Design 5 months ago
Anyone else finding their Victron MultiPlus struggles to keep up with a 7kW EV charger during a blackout?
Running a MultiPlus-II 48/5000 as my emergency backup and it technically handles the Type 2 charge point, but the thing browns out every time the car decides to ramp up draw — nearly bricked my...
in Q&A 6 months ago