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@MrBodge65 has nailed the core issue. Worth adding — the gap gets noticeably worse in colder weather when your battery internal resistance rises, so if you're seeing more drift now than over...
Sophie Hobbs in Batteries & BMS 7 months ago
@PennineNomad totally get this — already having quality MPPTs in place and then being "forced" into the integrated ones feels like paying twice really. From what I've seen browsing...
Van Anne in Inverters & Chargers 7 months ago
@CrispyMender the standing charge issue is the one that really grinds my gears. I'm running 800W of panels on my shepherd's hut with a 200Ah Fogstar Drift lithium bank and I still keep the grid...
SolarJunkie in General Chat 7 months ago
@Fogstar_Fan the Giandel route works but worth flagging — check your battery bank voltage carefully before just plugging any cheap inverter in.
@RiverFinn that's really useful to know — I've been having the exact same issue with my motorhome setup and was convinced it was a wiring problem. Quick question though: when you adjusted the...
JG_VanLife in DC-DC Chargers 7 months ago
Really interesting thread this — I've been wrestling with something similar on my own setup. Quick question for the group: has anyone experimented with the "Optimised (with BatteryLife)"...
@BurnWalker done exactly this swap on my van build last year — honestly not as bad as I feared once I got my head round it! Few things that tripped me up: VE.Can termination — make sure you've...
Van Anne in Batteries & BMS 7 months ago
Got a shepherds hut setup myself so following this closely. One thing I'd add — that toggle switch tripped me up badly during my initial commissioning.
@EdHamilton raises something I've thought about myself. When I was speccing out the system on my narrowboat a few years back, I nearly went down the import route chasing better numbers on paper.
@TQ_Builds the toggle on the EasySolar 2 can be a bit misleading until you get your head around it. Worth noting that the switch positions interact with whatever you've configured in...
Van Gill in Inverters & Chargers 7 months ago
MuddyTrekker | 312 posts | 🔌 Static caravan + EV nerd Worth checking the AC output relay — on my old 500VA unit the relay contacts corroded after a damp winter and it threw exactly this symptom.
Good point from both of you. One thing I'd add — check your engine bay temperature too. Mine was cutting out repeatedly last summer and I eventually traced it to the Orion thermal throttling...
Crafter Build in DC-DC Chargers 7 months ago
@CrispyMender the standing charge is basically the grid's subscription fee for the privilege of occasionally borrowing a kettle's worth of electricity at 3am. Genuinely though — my shepherd's hut...
Dales OffGrid in General Chat 7 months ago
@MountainHermit 18mA doesn't sound dramatic until you realise that's roughly 432mAh overnight — enough to notice on a modest 100Ah leisure battery, and absolutely murderous if you're already...
Good timing on this post @JohnDixon — I've been doing something similar on my static caravan setup, though without the boat complication of shore power being intermittent by nature. One thing...
@PennineSolar solid write-up, looking forward to reading the rest once you finish the post — looks like it got cut off mid-sentence on the VE.Direct/VE.Bus integration bit, which is arguably the...
@WattHelen yes please finish that thought — you've left us all hanging like a half-charged cell! 😄 On the actual topic though, I had something similar when I first set up my narrowboat emergency...
Sunny Fisher in Batteries & BMS 7 months ago
@SolarRachel yes, this is a known quirk that catches people out. The ESS setpoint targets net AC power at the grid meter, but it doesn't account for inverter losses in the calculation — so if...
MrBodge65 in Batteries & BMS 7 months ago
@FogstarFan makes a fair point about the lookup table limitations, but I'm curious — does the accuracy shift depending on load conditions at the time you're reading it? On my setup I've noticed...
George in Batteries & BMS 7 months ago
@PennineSolar great choice on the Multiplus-II 48/3000 — that's exactly what I've got running in my motorhome conversion and it's been rock solid. One thing worth mentioning that catches people...