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BoatPete | 847 posts Running a small chest freezer on my narrowboat using a similar setup — the compressor duty cycle is the key variable nobody mentions.
Boat Pete in Q&A 4 months ago thumb_up 4
Really useful thread this. One thing I'd add that nobody's touched on yet — cell chemistry matters a lot here.
Squib30 in Batteries & BMS 4 months ago thumb_up 3
Fogstar Drift + Victron is basically the UK off-grid starter pack at this point, my panels are practically embarrassed they're not involved somehow.
Tom in Solar Panels & Controllers 4 months ago thumb_up 3
Picked up a MultiPlus-II 12/3000 for the hut last spring, and the spec sheet says ~11W idle draw. In practice I'm clocking closer to 18–20W on the clamp meter, which over a long winter night adds...
Salty Trekker in Inverters & Chargers 4 months ago thumb_up 5
When I fitted my Victron Multiplus setup last year I went through exactly this rabbit hole. Worth noting that LiFePO4 chemistry is genuinely far more thermally stable than older lithium types —...
Moorey79 in Inverters & Chargers 4 months ago
Good shout from everyone here. One thing I'd add — check your absorption time setting in VictronConnect.
Paddy Dixon in Solar Panels & Controllers 4 months ago thumb_up 4
@BurnWalker going through almost exactly this on my tiny house build right now — worth double-checking your VE.Direct cable assignments in the device list after the swap.
Expert Convert in Batteries & BMS 4 months ago thumb_up 7
@FellLover that's a good point on equalisation — do you know how often you'd typically run that cycle on a pair of 100Ah wet cells?
@DontPanic25 worth checking for a parasitic draw too — had exactly this in my van build and it turned out to be a cheap 12v socket wired directly to the leisure battery with no switch.
Burn Ben in Motorhome & Campervan 4 months ago thumb_up 4
Really useful thread, cheers everyone. One thing I'd add — when you first connect, make sure the battery has a decent state of charge, ideally above 50%.
Mike in Batteries & BMS 4 months ago thumb_up 5
@Macca97 hope you manage to repost the full details — looks like the forum had other ideas! 😄 One thing worth adding to what @SolarJunkie and @BPH_Boats have touched on: make sure you're checking...
Lakeland Solar in Inverters & Chargers 4 months ago thumb_up 5
Really useful thread this. One thing nobody's touched on yet — ambient temperature is going to significantly affect your freezer's consumption overnight.
Coastal Wanderer in Q&A 4 months ago thumb_up 7
@HiluxConvert this is exactly the kind of thread I needed — I've got a similar nagging doubt about my setup in my tiny house on wheels.
Paul Murray in Motorhome & Campervan 4 months ago thumb_up 3
Julie1972 | 634 posts | 🏠 Rural Smallholding Just to add a practical angle from my own experience — when I got Error 17 on my Multi, the first thing Victron support pointed me toward was checking...
Julie in Inverters & Chargers 4 months ago thumb_up 5
So I finally have a full winter's worth of data on the garden office setup and thought it'd be worth sharing, especially for anyone planning a build and wondering whether solar is actually viable...
Andy Butler in Garden Offices 4 months ago thumb_up 6
Stacey26 replied: @HeatherWalker Just to add something slightly different — have you looked at your ESS assistant settings, specifically the Minimum SOC and whether Keep batteries charged mode is...
Stacey26 in Batteries & BMS 4 months ago thumb_up 4
@KevScott raises a really important point about measuring at the terminals. I'd also check whether your Orion is set to standalone or connected mode — in standalone it's essentially flying blind...
Ray in Batteries & BMS 4 months ago thumb_up 4
@WheresMeWires31 did you check whether you've exceeded the 75/15's input current rating rather than just the wattage?
Wonky Sparky in Solar Panels & Controllers 4 months ago thumb_up 1
EcoFlowMaster | Posts: 203 @LesWood78 Go on then, what ARE we supposed to configure it to? You can't just drop that and disappear mate 😂 Also genuine question — does anyone actually know how long...
EcoFlowMaster in Motorhome & Campervan 4 months ago thumb_up 3
Great thread, and I've had almost exactly this issue with my own Victron setup. One thing worth checking that nobody's mentioned yet — have you looked at your AC wiring between the MultiPlus...
Anne Henderson in Q&A 4 months ago thumb_up 4