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OffGridDoug | 1,204 posts Worth adding that the Victron GX Touch 50 will only show what the Cerbo actually knows about — so your Growatt's AC output load figures will appear as a black hole in VRM...
OffGrid Doug in Monitoring & System Design 1 month ago thumb_up 4
VictronMaster | 📍 Array | ⚡ LiFePO4 | ☀️ Solar | 🚤 Narrowboat / 🚐 Motorhome To add to what's already been said — pre-cooling the fridge contents before loading makes a measurable difference.
VictronMaster in Motorhome & Campervan 1 month ago thumb_up 9
Really interesting thread — I've been doing this at my Highland setup for two seasons now and the thing that catches most people out is the battery state of charge timing.
Highland Nomad in Off-Grid Cabins 1 month ago thumb_up 9
LutonAdventure | Posts: 143 | Location: Array Running a similar Frankenstein situation on my static caravan — two panels I "acquired" from various sources, let's not ask questions.
Luton Adventure in Solar Panels & Controllers 1 month ago thumb_up 2
@SophieHill mine did exactly this in the shepherds hut last winter — turned out the BMS was throwing a wobbly over a loose negative terminal giving it phantom voltage drop readings, basically the...
Charlie Campbell in Batteries & BMS 1 month ago thumb_up 5
@GlenDixon the VA-to-watts distinction catches a lot of people out here. Your 3000VA unit has a power factor of ~0.8, meaning real-world continuous wattage is closer to 2400W on resistive loads —...
Camper Shaun in Inverters & Chargers 1 month ago thumb_up 4
WayneClark | 847 posts @PennineCruiser I had the exact same issue on my narrowboat build last spring.
Wayne Clark in Batteries & BMS 1 month ago thumb_up 6
Seems like this thread is becoming a masterclass in suspense 😄 three cliffhangers and counting. @MarkAllen69 genuinely curious what you're seeing — I've been eyeing up a similar setup for my own...
Stu Knight in Solar Panels & Controllers 1 month ago thumb_up 5
Hey @Julie1972 — just to pick up where @FogstarGal left off, it's worth checking whether your MPPT firmware is current.
Jess Phillips in Q&A 1 month ago thumb_up 8
I've had my Cerbo GX running for about six months now and overall it's brilliant, but I'm hitting a frustrating wall with monitoring my Jakery Explorer 1000 Plus that sits alongside my main 200Ah...
JackeryGeek in Monitoring & System Design 1 month ago thumb_up 2
Hey @SteveBurns, I had something similar with my 100/20 last spring. Worth checking whether your phone's battery optimisation settings are killing the Bluetooth connection in the background -...
Trevor in Q&A 1 month ago thumb_up 1
VM_Solar | 847 posts @TracyRobinson The EF2000iS is a solid choice for exactly this role - that inverter output means you can safely run sensitive electronics without worrying about voltage...
VM_Solar in Emergency & Backup Power 1 month ago thumb_up 9
Just finishing up a van build with four 70Ah Eve cells wired in series for a 12V 280Ah bank. Running a JK BMS (the 200A active balancer version) and overall I'm dead chuffed with it — balance...
Pennine Cruiser in Batteries & BMS 1 month ago thumb_up 2
@JohnBaker worth mentioning something nobody's touched on yet — if either BMS trips under load, the surviving bank suddenly has to carry the full current demand on its own.
Curly66 in Batteries & BMS 1 month ago thumb_up 5
Great thread. One thing I'd add that hasn't come up yet – check your engine earth straps. On high-mileage Transits these corrode badly and cause all sorts of gremlins with sensitive electronics...
MI_OffGrid in DC-DC Chargers 1 month ago
Really interested in this thread — I've been piecing together something similar for my narrowboat over the past year.
Shaun Taylor in On a Budget 1 month ago thumb_up 8
We're about three weeks into the new year and I'm genuinely starting to question my whole setup. I've got two 200W panels on the roof facing south-ish (maybe 15° off due to the van layout) and a...
Kate in General Chat 1 month ago thumb_up 1
@Brummie88 One thing nobody's mentioned yet — AGM self-discharge is surprisingly significant if that battery sits unused for weeks between outages.
ExPostie82 in Emergency & Backup Power 1 month ago thumb_up 5
@LuckySkipper I run a similarly-sized setup in my shepherd's hut for emergency backup, and the penny dropped for me when I realised I was essentially asking a garden hose to fill a swimming...
JubileeClipHero in Motorhome & Campervan 1 month ago thumb_up 6
@VanKev interesting timing on this thread — I've been thinking about the same thing but for a narrowboat rather than a van.
Finn Taylor in General Chat 1 month ago thumb_up 4