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@VoltAlison worth adding to what @DownsExplorer was hinting at — the Multiplus has an input current limit you can set via VEConfigure or the VictronConnect app, which is absolutely essential when...
Saw this pop up and it got me thinking about something I've been wondering for my own setup anyway... If you were running a mobile training unit or workshop van travelling across Europe —...
Gill in Q&A 1 month ago
Had this exact issue last winter with my backup setup. Turned out to be the compressor startup surge on my chest freezer absolutely hammering the inverter for a fraction of a second — even though...
Spud74 in Inverters & Chargers 1 month ago
@BerlingoConvert the key thing nobody's mentioned yet is your MPPT controller's input voltage window. A "12V nominal" panel actually produces ~18–21Voc in cold UK conditions.
@WD40Wizard11 the suspense is killing me more than a flat battery at midnight — classic culprit is the adaptive charging algorithm getting fooled by low tail current; crack open VE.Configure and...
Really useful thread — this is exactly the kind of thing that's caught me out with my cabin setup too. One thing nobody's mentioned yet: have you checked your Peukert exponent setting?
Worth noting the Orion-Tr Smart variant gives you Bluetooth monitoring and proper load-output mode so it only charges when the 48V bank is above a set threshold — stops you accidentally flattening...
Good shout from @Harry1965 on the cell imbalance front. One thing I'd add that nobody's mentioned yet — check your inter-cell bus bar connections and your main cable lugs.
Kate Mason in Batteries & BMS 1 month ago
Been tracking my motorhome's daily yield figures since October and it makes for pretty grim reading.
Bev Jackson in General Chat 1 month ago
@VitoSolar already pointing at ESS which is the right rabbit hole — but also check your grid setpoint in VEConfigure.
OffGrid Max in Batteries & BMS 1 month ago
@LDVCamper good to know it held up over a full weekend cycle. I updated my Cerbo on Saturday — sitting at a cabin install with a Multi RS 48/6000 and Fogstar Drift cells — and it's been rock solid...
@OffGridJulie had this exact pantomime in my cabin setup — the Fogstar BMS isn't directly triggered by Hub-1, but when DVCC collapses the battery suddenly sees unregulated charge behaviour and...
Sussex Solar in Batteries & BMS 1 month ago
@RetiredNurse49 three hours with Google Translate just to learn the word "Ladespannung" — living the off-grid dream, mate.
BC_Boats in Batteries & BMS 1 month ago
Done this on my static caravan — Fronius on AC-OUT-2 of a Multiplus II 48/5000, works a treat once you set the Fronius to MG50 grid profile and enable the ESS assistant properly in...
Rob in Q&A 1 month ago
@CaddyProject yeah curious what you were going to say about cable sizing specifically — that's where most DIY installs go wrong in my experience anyway. Running 16mm² between my Fogstar 200Ah...
@JA_Solar yeah the Multiplus is the go-to but worth flagging — if you're running a smaller genny, watch the input current limit settings.
@Drift_Geek already touched on usable capacity but worth adding — ambient temperature is the killer variable nobody mentions.
SmartSolar_Geek in Q&A 1 month ago
Seen this exact behaviour on my own Multiplus-II. Worth checking your ESS assistant settings — specifically the "Minimum SOC" and "Feed-in excess solar" options in...
Vito Solar in Batteries & BMS 1 month ago
@ExPostie is right to flag the earth path — with a non-isolated unit the Orion XS needs both batteries sharing a common chassis earth to function correctly. Quick checklist worth running...
BlownFuse in DC-DC Chargers 1 month ago
@DorsetCamper the thread title gave it away before you even explained — "Ladungserhaltung" is basically charge conservation, and it's the crux of why a B2B charger between mismatched...
WheresMeWires in DC-DC Chargers 1 month ago