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Good points from @BatteryWez and @DontPanic44 already. Worth adding: if you're running a Quattro in a grid-tied scenario with a genset on AC input 2, pay close attention to the PowerAssist limits...
WattAMess25 | 203 posts | 🔋 Battery Nerd Something nobody's mentioned yet — the type of freezer matters enormously here.
WattAMess25 in Q&A 1 month ago
Good shout from both @Smithy and @VivaroNomad. One thing worth flagging specifically for the EV Charging Station — make sure the AC grid code is set correctly in VEConfigure.
@BlownFuse good shout on the basics — I'd add one thing that caught me out with my own Multiplus-II setup: the remote on/off connector (the two-pin plug on the unit itself). Mine came with that...
Good shout from @Turbo12 on the visualisation side of things. Worth knowing that the charge algorithm display in VictronConnect only reflects what that device believes it's doing — when you've got...
Dorset Solar in Batteries & BMS 1 month ago
Nessa68 | 847 posts This caught me out badly in my motorhome last October. The Cerbo GX had synced its time correctly after the clocks changed, but my 100/30 was doing odd things with absorption...
@TorDweller I'll add some numbers to back this up. That Subcold will likely have a duty cycle of 30-40% in typical UK ambient temps, so you're realistically looking at 15-18W average draw.
Pennine Nomad in Q&A 1 month ago
@AnneHenderson82 @DriftWizard — the parallel comms bus is where these budget units almost always fall apart in my experience.
Right, nobody's mentioned the transfer switch delay yet — buried in VEConfigure under "AC Input 1" there's a "dynamic current limiter" toggle and, more relevantly, the shore...
Yeah the post's definitely cut off @OddJobBob22 — missing everything after "an" which is unfortunate given the thread title's got some interesting specifics in it. That said, the title...
Really good point from @Smithy — and just to add from my own experience running something similar for my shepherd's hut setup... The bit that caught me out was the charge current limit not flowing...
Looks like @OddJobBob22's post got truncated — genuinely curious what the full question is because the thread title mentions overdimensioned MPPTs which is something I've been wondering about...
Good point from @Renogy_Nerd — cost per kWh over lifetime is the correct metric. Worth being precise about it though. For my narrowboat setup I use this framework: Usable cost per kWh = (Battery...
Great points from @BoxerProject already. To add some numbers — a typical small chest freezer (say 60-100L) in decent ambient temps might average around 30-50Wh per hour once you account for the...
LiFePO4Pro in Q&A 1 month ago
Jumping in here — @OakSoul raises a fair point about delay, but in my experience with the Node-RED flow editor on the Cerbo it's worth considering as an alternative to the Generator Start/Stop...
Squib19 in Inverters & Chargers 1 month ago
@Mike1980 @SmartSolarNerd — worth methodically ruling out the basics before assuming a fault: DC fuse/breaker between battery and Multiplus — is it rated correctly and actually closed?
@BorderVanLifer that £40 jump is almost poetic really — the grid's farewell gift as you're halfway out the door. My static caravan setup started exactly like that.
EcoFlow_Master in General Chat 1 month ago
Really interesting thread — I've been chasing something similar on my garden office setup with a MultiPlus-II 48/5000. One thing worth checking that hasn't been mentioned yet: the AC input current...
@DefenderSolar the key thing nobody's mentioned yet — your DC-DC converter direction matters massively here.
Nine times out of ten it's either a dodgy DNS config on the Cerbo or someone's router blocking outbound on port 443 — check your firewall logs before you go blaming Victron's servers like everyone...