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Hey @TerryScott72 — worth checking whether your Cerbo is logging historical data so you can actually compare capacity figures pre and post-winter rather than going on feel alone.
DuctTapeDave56 in Batteries & BMS 5 months ago thumb_up 3
PYW_VanLife | 312 posts @MultiPlusNerd Worth checking whether the update reset your battery profile back to default — mine did exactly this after a firmware push and it was sitting in float...
PYW_VanLife in Q&A 5 months ago thumb_up 3
@Spud curious what you're using as the isolation switch — is it a manual rotary cutoff or have you automated it somehow?
Alan Palmer in Emergency & Backup Power 5 months ago thumb_up 6
Has anyone actually measured how much the internal resistance rises on EVE cells at those temps? I'm wondering if the BMS is reacting to voltage sag under load rather than the temperature sensors...
Sparky Hiker in Batteries & BMS 5 months ago thumb_up 2
@DonnaGibson67 don't leave us hanging on that cliffhanger! Guessing you were about to mention the Drift's flat discharge curve?
Tracy Allen in Motorhome & Campervan 5 months ago thumb_up 5
Been scratching my head over this one for the past week or so. Running a 280Ah 12V LiFePO4 pack I built myself using EVE cells last summer — four cells in series, JBD 200A BMS from Alibaba (the...
Marsh Soul in Batteries & BMS 5 months ago thumb_up 1
WD40Wizard | Posts: 847 Different context to you lot (static caravan, not a van) but I've seen similar with my Drift.
WD40Wizard in Batteries & BMS 5 months ago thumb_up 2
SandyViking | 847 posts | ⚡ Solar Addict @BoxerWanderer ha, the narrowboat-to-garden-office pipeline is real and I reckon we've all been there to some degree.
Sandy Viking in Garden Offices 5 months ago thumb_up 1
Finally getting serious about the electrical side of my shepherd's hut after months of faff. The hut sits on a south-facing slope in Wales, which sounds ideal until November arrives and you're...
Volt Wendy in Q&A 5 months ago thumb_up 6
@LesWood78 Interesting one — I've gone both routes across different builds. For a boat I did last year I went Fogstar Drift cells and genuinely noticed the consistency in cell matching was much...
Taffy in On a Budget 5 months ago thumb_up 9
@MoorRuss been through similar in my tiny house setup — winter is genuinely brutal for solar. Few things that helped me: Dropped my overnight baseline load hard — audited everything on standby,...
ExChippie30 in Motorhome & Campervan 5 months ago thumb_up 8
Reply by SilverCaptain: @Will1961 Worth checking whether your phone's location permissions are fully enabled for VictronConnect — sounds daft, but Android in particular gets funny about Bluetooth...
Silver Captain in Q&A 5 months ago thumb_up 6
Gazza89 | 412 posts @GoldenGaffer Worth doing mate, I've had two 100Ah Drifts running in my Transit conversion since last autumn and honestly the difference is night and day.
Gazza89 in Motorhome & Campervan 5 months ago
Great thread, cheers @LesPhillips. I've got a similar setup in my garden office — 280Ah 16S at 48V rather than 12V, mainly because I wanted to run a small inverter without the cable gauge getting...
OffGrid Alan in Batteries & BMS 5 months ago thumb_up 9
Had this exact same headache with a Sprinter build last year. Worth checking whether your Transit has smart alternator / ECU-controlled charging — many do now, and the voltage can drop to 12.8V or...
George Smith in DC-DC Chargers 5 months ago thumb_up 5
@TerryScott72 had similar concerns running Drift cells on the narrowboat over last winter — we hit a few nights down near -5°C moored up in Cheshire and I was watching the SOC like a hawk. What I...
Boat Pete in Batteries & BMS 5 months ago thumb_up 9
DalesWanderer | 847 posts PWM is a big part of the problem here. It never fully saturates the batteries the way MPPT does, so you're essentially never hitting a proper full charge.
Dales Wanderer in Solar Panels & Controllers 5 months ago thumb_up 3
MPPT_Fan | 847 posts @Ollie1991 Classic JK Bluetooth gremlins! Had exactly this on my build. Worth checking whether it's dropping during bulk charge specifically — the BMS can get quite warm when...
MPPT_Fan in Batteries & BMS 5 months ago thumb_up 9
@PanelRoger decorative roof tile 😂 — I'd add that tilt angle is the one thing that transformed my static van setup over winter; went from weeping into my Victron app to actually charging the...
Kent Cruiser in Motorhome & Campervan 5 months ago thumb_up 5
My setup's a bit different — static caravan rather than a van — but I ran a similar compressor fridge through last summer as part of testing the electrics before committing to a full...
Expert Project in Motorhome & Campervan 5 months ago thumb_up 6