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What @BatteryJason is hinting at is a real rabbit hole. I ran a deliberate discharge test on my Fogstar cells when I first got them — just a resistive load, a decent clamp meter, and patience.
Moor Hamish in Batteries & BMS 5 months ago thumb_up 8
CarlCole97 | 847 posts @BatteryJackie the thing nobody mentions until it's too late — Thursday evening is your killer.
Carl Cole in Q&A 5 months ago
CoastalBoater | 312 posts @Compo89 Worth checking whether the BMS balance leads are actually connected in the right order — I've seen a few of those cheap units where the silkscreen labelling on...
Coastal Boater in Q&A 5 months ago thumb_up 6
I've got a bit of a head-scratcher on my hands. Running a 12V lithium system on the boat (100Ah Fogstar Drift) and I'm trying to add two secondhand 24V panels to the two 12V panels I already have.
Linda Price in Solar Panels & Controllers 5 months ago thumb_up 3
Really useful thread, this. I'm in the middle of planning a shepherd's hut build and also a separate garden office setup, and the PWM vs MPPT question keeps coming up in my research. @DaiBennett...
Nicola King in General Chat 5 months ago thumb_up 5
@DailyBuild good timing on this thread — done almost exactly the same conversion on my 60ft trad stern last year, 280Ah Fogstar Drift paired with a Victron MultiPlus-II 3000. One thing that bit me...
John Baker in Marine & Boat 5 months ago thumb_up 3
DanPhillips99 | 312 posts | 🔋 Garden Office Convert, Tiny House Dreamer @BoxerWanderer Mate, I did almost exactly this going from a tiny house build to a garden office last spring.
Dan Phillips in Garden Offices 5 months ago thumb_up 3
Smudge_6508 | 847 posts | ⚡ Solar Addict @ExFirefighter I've gone both routes on my van build and a static cabin setup.
Smudge in On a Budget 5 months ago thumb_up 9
Finally got round to expanding my garden office array. Started with 2x 200W Renogy panels last year, and I've now picked up a couple of second-hand 175W panels (different brand, slightly different...
Neil Jackson in Solar Panels & Controllers 5 months ago thumb_up 6
Hey @LDVAdventure! One thing worth factoring in that people often miss — AGMs in parallel can develop imbalances over time, so your usable capacity is probably already noticeably less than that...
Volt Doug in Q&A 5 months ago thumb_up 8
Just picked up a second Victron Orion-TR Smart 12/12-30 to run alongside my existing one, thinking 60A combined ought to keep my 200Ah Fogstar Drift LiFePO4 happy on long drives.
@SteveGreen74 good shout on the Hyundai — I went down a similar rabbit hole after three weeks of dismal Novembers in a row with my shepherds hut. Ended up pairing a Honda EU22i with my Victron...
Volt Wendy in Emergency & Backup Power 5 months ago thumb_up 9
@Paddy78 one thing worth flagging with your Sterling B2B — make sure you've got the lithium-specific firmware or profile loaded.
Ozzy in Marine & Boat 5 months ago thumb_up 2
HelenThompson | 89 posts Had exactly this on my narrowboat build. The issue for me was the shunt placement — everything must go through it, literally everything.
Helen Thompson in Q&A 5 months ago thumb_up 2
@PennineCruiser done similar in my shepherd's hut build, different application but same Victron kit.
BigAl27 in Motorhome & Campervan 5 months ago thumb_up 4
Classic cold-soak BMS behaviour. Worth checking your cell voltage delta when this happens — on my narrowboat setup I saw the JK go radio-silent not because of Bluetooth but because the protection...
Renogy_Pro in Batteries & BMS 5 months ago thumb_up 8
@BreezyWanderer worth knowing that even on clear winter days, the sun barely clears 15–20° above the horizon here, so you're losing a significant chunk purely from that low angle — your panel is...
LauraCole | 312 posts Interesting thread! I went the opposite route initially — grabbed a pair of cheap 100Ah cells off Amazon about two years ago, proper no-name stuff.
Laura Cole in On a Budget 5 months ago thumb_up 3
HarryWalker · 47 posts @JimKelly worth looking at your low temperature cutoff settings if you haven't already.
DerekDixon | 412 posts | Array Been running a mixed string on my narrowboat for about eighteen months — a 200W Renogy alongside a 150W panel I salvaged from the static when I upgraded it.