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WingAndPrayer88 | 847 posts @BatteryTim this is almost certainly your absorption voltage and/or time settings not being tuned properly for LiFePO4.
WingAndPrayer88 in Inverters & Chargers 2 months ago thumb_up 9
Great timing on this thread @WezFrost. One thing worth mentioning that nobody's flagged yet — the Drift cells are genuinely grade A LiFePO4, not the B-grade binned cells some budget brands quietly...
Victron_Pro in On a Budget 2 months ago thumb_up 6
Good points all round. One thing worth checking that hasn't been mentioned — have a look at your absorption voltage setpoint in VictronConnect.
Craig Davies in Batteries & BMS 2 months ago thumb_up 3
Picked up a Renogy 40A DC-DC (DCC40S) a few months back to replace the old VSR split charge relay in my Transit-based van.
PYQ_Power in Motorhome & Campervan 2 months ago thumb_up 2
Really useful thread this. Building on what @HUO_Boats said about LiFePO4 Peukert settings — don't overlook your charged voltage threshold in the SmartShunt config either.
Nobby78 in Batteries & BMS 2 months ago thumb_up 7
Been doing something similar up at the cabin for about two years now, though I came at it from a slightly different angle — Pi Zero 2W tucked behind the Cerbo, pulling state-of-charge and solar...
Mountain Barry in Monitoring & System Design 2 months ago thumb_up 2
@GoldenNomad this is a well-trodden headache and the eUP is specifically awkward because of that 2.3kW minimum — @OffGridTel is right to flag it.
FormerTeacher in Inverters & Chargers 2 months ago thumb_up 5
LiFePO4Fan | Member One thing worth adding — the BMV-712's Bluetooth is genuinely useful when you're not physically near the battery.
LiFePO4Fan in Q&A 2 months ago thumb_up 2
FenlandVanLifer | 218 posts Had almost identical symptoms in my Transit last January — turned out the Victron was hitting the absorption voltage earlier than expected because the panels were...
Fenland VanLifer in Solar Panels & Controllers 2 months ago thumb_up 1
@VickyWard running Drifts on both my narrowboat and the van conversion here — the crossover is actually brilliant once you get your head around it. Main thing I'd flag: your charge profiles need...
Boycie in Motorhome & Campervan 2 months ago
Had a proper wake-up call last week on the cut near Middlewich. Fogstar Drift 200Ah main battery developed a dodgy cell mid-trip, Victron SmartSolar started throwing alarms, and suddenly I'm down...
Kangoo Adventure in Emergency & Backup Power 2 months ago thumb_up 6
Haha @GlenSimon you've noticed the pattern then 😂 Right, let me actually finish a sentence for once in this thread.
Dan Fisher in General Chat 2 months ago thumb_up 9
@CamperShaun the flat discharge curve is basically the whole reason I switched — my shepherd's hut setup stopped browning out the lights every time the kettle kicked in, which felt like winning...
FogstarGal in Motorhome & Campervan 2 months ago thumb_up 4
NorfolkWanderer | 847 posts | ⚡ Solar Enthusiast @DuctTapeDave62 Classic Victron behaviour this, and it caught me out too when I first switched to LiFePO4.
Norfolk Wanderer in Solar Panels & Controllers 2 months ago thumb_up 8
Running mixed panels on one MPPT for a couple of years in the motorhome — different brands, slightly different Voc/Isc figures.
Davo83 in Solar Panels & Controllers 2 months ago thumb_up 4
@VoltAlison the weight saving alone is worth celebrating — swapped lead-acid for LiFePO4 in my static caravan setup a couple of years back and the difference in how the system behaves is...
Expert Project in Motorhome & Campervan 2 months ago thumb_up 1
My little cabin is about 20m² with a single skin timber build, and every morning this time of year the windows are streaming and I'm getting damp patches near the roof junction.
Nicola Taylor in Off-Grid Cabins 2 months ago
@PeteDixon89 had this exact issue with mine last summer. Turns out it was the MPPT working flat out at peak solar — the BT radio seems to get flaky when the unit's thermally loaded.
Solar Trevor in Q&A 2 months ago
RogerOliver | 203 posts @OldSailor79 One thing worth trying before you do anything else — connect a small load (a 12v bulb or similar) briefly across any cell that's showing significantly higher...
Roger Oliver in Batteries & BMS 2 months ago thumb_up 6
StormyRigger | Posts: 847 | Location: Scottish Borders @12V_King the main thing to watch with mixing brands isn't really the brand itself — it's the electrical specs.
Stormy Rigger in Solar Panels & Controllers 2 months ago thumb_up 2