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Running a 200Ah Fogstar Drift LiFePO4 on the boat and finally sorting out proper DC-DC charging from the starter battery.
PanelBuff in DC-DC Chargers 2 months ago thumb_up 1
@SussexVanLifer the suspense is genuinely unbearable 😅 Can actually add something useful here though — I ran into this exact wall with my shepherd's hut setup.
Gary Parker in Inverters & Chargers 2 months ago thumb_up 1
ForestSolar | 847 posts | ⚡ Solar Obsessive @CopperGaffer Yeah, classic winter headache with LiFePO4.
Forest Solar in Batteries & BMS 2 months ago thumb_up 1
@Rodney3 classic JK moment — the NTC sensor is probably reading colder than the actual cells because it's touching the case rather than flush against a cell, so wrap it in a bit of...
River Finn in Batteries & BMS 2 months ago thumb_up 5
@MarineClare totally normal unfortunately — LiFePO4 is particularly notorious for that flat discharge curve collapsing under load in the cold.
Boxer Life in Batteries & BMS 2 months ago thumb_up 3
Great timing on this thread @JaneReid68 — I did almost exactly this build in my Transit last year. I'd nudge your battery capacity up a bit if you can stretch to it.
Meadow Carl in Motorhome & Campervan 2 months ago thumb_up 6
Good question from @RobJones85 actually — worth being clear on why you want it there first. One reason I'd consider it on a starter battery specifically: if you're running a split-charge relay or...
IslandExplorer | Posts: 312 @LisaStewart71 Worth checking whether your Daly is cutting on discharge or charge protection — they're different issues.
Island Explorer in Batteries & BMS 2 months ago thumb_up 7
Really nice work @Chippy, a tidy Crafter install is no small feat given the awkward geometry you're working around.
Gazza81 in Solar Panels & Controllers 2 months ago thumb_up 9
On the boat I run a Dometic CFX3 55 off a single 100Ah Victron lithium through the night fairly comfortably — but ambient temperature is the wildcard nobody's mentioned yet.
BPH_Boats in Q&A 2 months ago thumb_up 6
Simon1988 | 1,203 posts | Narrowboat & Solar @PanelGraham That 15-20mV delta is worth keeping an eye on but probably not panic stations yet.
Simon in Batteries & BMS 2 months ago thumb_up 5
Finally pulled the trigger on two 100Ah Fogstar Drift batteries wired in parallel for my Transit Custom build.
Ollie Thompson in Motorhome & Campervan 2 months ago thumb_up 2
Great thread this. One thing I'd flag for narrowboat specifically that doesn't always apply to vans or static setups — engine run time management becomes really critical.
Col James in Marine & Boat 2 months ago thumb_up 3
Finally pulled the trigger on sorting the electrics in the Transit. Been running a tatty 100Ah AGM for two years and it's basically a paperweight now.
Wez Frost in On a Budget 2 months ago thumb_up 1
Finally got round to writing this up after a few people asked me about it in the solar sizing thread. I put a Charnwood C-Five into my 20ft x 10ft timber frame cabin back in November.
Crafty Welder in Off-Grid Cabins 2 months ago thumb_up 5
Similar experience from my motorhome setup. The built-in MPPT on these combo units is almost always a compromise — manufacturers prioritise the inverter side and bolt on "acceptable"...
Davo83 in Inverters & Chargers 2 months ago thumb_up 5
After three years running a 24V system on Wren (57ft trad stern), I finally made the jump to 48V in July.
48VWizard in Marine & Boat 2 months ago thumb_up 1
WingAndPrayer88 | 47 posts @WonkyDrifter Classic one this! Where exactly are you taking your multimeter reading?
WingAndPrayer88 in Q&A 2 months ago thumb_up 1
@VivaroWanderer really curious where you're going with this — what's your current leisure battery capacity and inverter size?
Carol Thomas in Motorhome & Campervan 2 months ago thumb_up 9
Not a boat person myself — I've got a Victron SmartSolar 100/20 running the solar on my shepherd's hut — but the MPPT vs PWM difference in low light is remarkable wherever you're using it.
Sophie Hobbs in Marine & Boat 2 months ago thumb_up 3