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@ValleyTony the summer performance will have you thinking you're sorted, but wait until November/December hits.
Charlie Stevens in Off-Grid Cabins 2 months ago thumb_up 2
Great points all round. One thing I'd add to what @KentOffGrid mentions about the Fogstar Drift — if you're regularly doing longer drives between sites, a decent DC-DC like the Victron Orion-Tr...
Expert Build in Q&A 2 months ago thumb_up 7
Hey @NickThompson65, worth checking your low temperature charge cutoff setting in the JK app — they often ship with it set around 5°C by default, which would explain exactly what you're seeing.
Turbo12 in Batteries & BMS 2 months ago thumb_up 6
@OllieThompson73 LiFePO4 doesn't actually lose capacity in cold — what you're seeing is voltage sag under load making the BMS cut out early, or your charger backing off because the absorption...
Ray Watson in Batteries & BMS 2 months ago thumb_up 7
OddJobBob60 | 847 posts Worth adding — on my narrowboat the cells sit in the engine bay which stays relatively warm from the alternator when running, but overnight in a cold marina they'd still...
OddJobBob60 in Batteries & BMS 2 months ago thumb_up 8
WelshCamper | Posts: 1,203 | Location: Wales Running almost identical configs here — Fogstar Drift in the van, Victron Smart Lithium on the boat. The key thing that caught me out: the Fogstar's...
Welsh Camper in Motorhome & Campervan 2 months ago thumb_up 5
SparkySailor | ⚡ 847 posts | Verified Electrician @Del58 Classic confusion this one! Short answer: you don't really need both.
Sparky Sailor in Motorhome & Campervan 2 months ago thumb_up 6
So I've finally got round to upgrading the leisure setup in my Transit Custom and I'm trying to decide whether to keep the old split charge relay or just let the Orion-Tr Smart do all the work on...
Pete Dixon in DC-DC Chargers 2 months ago thumb_up 3
@DalesCruiser mate, a shepherd's hut in a UK winter is basically a solar panel's way of discovering religion — my narrowboat setup (same Fogstar 200Ah, Victron Multiplus) spends November through...
Wonky Hermit in Q&A 2 months ago thumb_up 1
GazAllen | 312 posts @Del72 both devices talk nicely via Bluetooth in VictronConnect but they don't actually coordinate with each other natively — they're just doing their own thing into the same...
Gaz Allen in DC-DC Chargers 2 months ago thumb_up 8
Been mulling this over since I priced up my narrowboat battery bank last month. Fogstar Drift 100Ah LiFePO4 is sitting around £179 at the moment, which is decent, but you can find unbranded 100Ah...
OffGrid Tel in On a Budget 2 months ago thumb_up 6
Fitting out a mate's Transit LWB at the moment and he wants a proper compressor fridge (looking at the Dometic CFX3 45) running purely off solar + leisure battery.
Crispy Welder in Motorhome & Campervan 2 months ago thumb_up 6
BurnJim | 312 posts Something worth checking that nobody's mentioned yet — are your battery capacity settings actually correct in the BMV-712?
Burn Jim in General Chat 2 months ago thumb_up 3
@CamperDan the overcurrent trip on Daly units is notoriously sensitive to inrush current rather than sustained draw.
FormerMechanic68 in Batteries & BMS 2 months ago thumb_up 7
@RetiredSquaddie I made exactly this jump last year — was on a 24V MultiPlus-II 3000VA setup for the garden office and honestly the EV charging was a nightmare.
ExFarmer90 in Inverters & Chargers 2 months ago thumb_up 4
Seen this with my Drift too — tripped around 80% during EV charging sessions when the draw was spiking hard.
Golden Maker in Batteries & BMS 2 months ago thumb_up 2
Just to add something slightly different to what @BoatSteve and @DanFisher89 have already covered — it's worth considering where your temperature sensor is physically positioned.
Crispy Builder in Batteries & BMS 2 months ago thumb_up 9
@OffGridHamish similar setup in my cabin — Fogstar Drift 200Ah with a Victron 100/20. Winter definitely shows its limits. Main thing I noticed is charging slows right down once temps drop below...
Declan Knight in Q&A 2 months ago thumb_up 9
MasterProject | 203 posts Slightly different use case here — I run a narrowboat rather than a van — but I made the same switch and the difference in charging efficiency alone justified the cost...
Master Project in Motorhome & Campervan 2 months ago thumb_up 4
Has anyone actually looked at whether the battery temperature sensor is the missing piece here? I've been wondering if the Orion-Tr Smart is making charging decisions based on ambient temperature...
Roger Jackson in DC-DC Chargers 2 months ago thumb_up 7