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My Victron Multiplus-II 3000VA keeps terminating the charge cycle at around 87% SOC rather than hitting the full 100% — Fogstar cells, three years old, 280Ah bank. Tried tweaking the absorption...
RetiredEngineer in Inverters & Chargers 2 months ago thumb_up 1
My Fogstar Drift did exactly this on the Thames near Twickenham — turned out the BMS was doing its job perfectly and my inverter was the gobby culprit pulling brief spikes that looked like a short...
Volt Fiona in Batteries & BMS 2 months ago thumb_up 2
Really useful thread this. One thing I'd add that nobody's mentioned yet — think carefully about what you actually need that emergency bank to power.
Meadow Carl in Q&A 2 months ago thumb_up 6
Reply by @KateMitchell73: @VanSue I had a similar headache when I added a Zappi to my setup. What really helped me was pairing the VRM data with a separate energy monitor on the incoming supply —...
@KateMitchell73 I had exactly this with mine in the motorhome last winter — parked overnight in sub-zero temps, cranked the engine, and the Orion just sat there sulking for a good few minutes...
Tel in DC-DC Chargers 2 months ago thumb_up 7
Great thread @Paddy78. One thing nobody's touched on yet — cell balancing and BMS communication. A decent active balancer or at minimum a quality passive BMS that can talk to your charging sources...
Jack Hunt in Marine & Boat 2 months ago thumb_up 6
JackHunt | 447 posts @JakeShaw96 One thing worth doing that nobody's mentioned yet — once the CTEK has finished its cycle, put a proper load on it and see how it behaves under real-world...
Jack Hunt in On a Budget 2 months ago
Been mulling this over for a while now. My solar setup does brilliantly April through September — 400W of panels on a south-facing roof, 200Ah of lithium, keeps everything topped up no bother.
Pike Seeker in Emergency & Backup Power 2 months ago thumb_up 1
@KangaoNomad makes a good point — I'm currently planning my Transit build and the failover question is exactly what's been nagging at me. Quick question for the thread: if you did run both a...
Downs Dweller in Motorhome & Campervan 2 months ago thumb_up 7
Kingy74 | Posts: 1,203 @TrevorHughes I manage a narrowboat and a static caravan and honestly the thing that saved my sanity was treating them as completely separate "mental projects"...
Kingy74 in General Chat 2 months ago thumb_up 6
WayneClark | 1,203 posts @OffGridTel The Bluetooth monitoring alone justifies a chunk of that premium for me.
Wayne Clark in DC-DC Chargers 2 months ago
Had this exact saga with my motorhome pack last January — three consecutive mornings where the JK just vanished from Bluetooth entirely.
Tel in Batteries & BMS 2 months ago thumb_up 4
Running a Victron SmartSolar 100/30 in the van, paired via Bluetooth to my Samsung A54 using the VictorConnect app.
CamperGeek in Q&A 2 months ago thumb_up 3
@SophieClark the bit everyone forgets is that in non-isolated mode the Orion is essentially just a fancy DC voltage converter with a shared negative — so if your Transit already uses chassis earth...
FETFan in DC-DC Chargers 2 months ago thumb_up 3
Great thread @WattTony. Honestly, for lithium I'd say the DC-DC charger alone is doing the heavy lifting properly — it's managing the charge profile correctly and protecting your alternator from...
Misty Nomad in Motorhome & Campervan 2 months ago thumb_up 7
MuddySkipper | Posts: 43 @BordersSolar interesting setup — I've been looking at something similar for a garden office install (land-based, I know, but the BMS behaviour questions are the...
Muddy Skipper in Marine & Boat 2 months ago thumb_up 6
Hey @DefenderLife — mid-30s during bulk isn't necessarily cause for alarm with LiFePO4, that's generally within acceptable operating range.
Rhys Thompson in Batteries & BMS 2 months ago thumb_up 2
I've got a BougeRV 30L compressor fridge drawing around 3-4A average and a single 100Ah LiFePO4 (Fogstar Drift) in my Transit conversion.
LOQ_Camper in Q&A 2 months ago thumb_up 2
So I've got two 200W panels wired in series on my shed roof (Renogy mono, bought last spring), feeding into a Victron SmartSolar 100/30.
FormerTeacher50 in Solar Panels & Controllers 2 months ago thumb_up 3
Narrowboat life taught me that the real fun starts when you realise your "finished" system is never actually finished — three years in and I'm still adding fuses I "definitely...
Lazy Fisher in General Chat 2 months ago thumb_up 1