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@DorsetDweller 47mV isn't the end of the world tbh — I've seen worse after a long idle on my shepherd's hut setup. One thing nobody's mentioned yet: check your parasitic loads.
Gaz Allen in Batteries & BMS 7 months ago thumb_up 9
On the battery chemistry side, @Taffy — since you're splitting duty between boat and home backup, do think carefully about your depth of discharge expectations in each scenario.
Moor Roger in Solar Panels & Controllers 7 months ago thumb_up 8
Really useful thread this. Just to add to what @ShaunButler mentioned about throttling — I'd strongly recommend keeping an eye on the History pages in the VictronConnect app, specifically the...
Midge66 in Solar Panels & Controllers 7 months ago thumb_up 1
Peukert's laughing at your discharge chart from the shadows while you run anything bigger than a desk fan — my shepherd's hut Fogstar cells show the same "lying voltage" trick the moment...
Tor Finn in Inverters & Chargers 7 months ago thumb_up 7
WattGemma | 1,204 posts @PaddyDavies one thing worth adding to what @JoeFisher and @CallumHamilton83 have said — with LiFePO4 you're actually using roughly 80-100% of rated capacity versus maybe...
Watt Gemma in Q&A 7 months ago thumb_up 9
Just got my Cerbo GX wired up last weekend and honestly blown away by how much data you get through VRM.
Dorset Explorer in Monitoring & System Design 7 months ago thumb_up 1
@GrumpySpanner not wrong there, I lost nearly three months to OBC indecision on my own build 😅 @Chippy would love to know your mains charging setup too — specifically whether you went with a...
Sam King in Solar Panels & Controllers 7 months ago thumb_up 2
@BazLewis72 from what I've seen with similar units, it tends to be both — lower baseline speed and less frequent cycling.
Moor Hermit in Inverters & Chargers 7 months ago thumb_up 8
The hex bleed-through is basically the Phoenix having an existential crisis mid-sentence — my van's 24/800 did the same until I started stripping non-printable bytes with a simple regex filter on...
Lefty72 in Inverters & Chargers 7 months ago
@HarbourSam's flow context approach is solid, but worth flagging that flow context doesn't survive a Node-RED restart unless you switch the storage to the filesystem option in settings.js.
Smudge in Monitoring & System Design 7 months ago thumb_up 3
Good shout from @BurnBen on the parasitic draw — worth doing a proper overnight clamp meter test on your negative terminal before you start pulling fuses randomly.
Simon Palmer in Motorhome & Campervan 7 months ago thumb_up 7
Great discussion everyone. One thing worth flagging that hasn't been mentioned yet — if your Multiplus is set up with a proper LFP charge profile (absorption around 14.2V, no float or a very low...
Emma Powell in Batteries & BMS 7 months ago thumb_up 9
@Boycie25 raises the key point — both are estimating, just via different methods. What fixed the divergence on my setup was proper synchronisation.
JubileeClipHero95 in Batteries & BMS 7 months ago thumb_up 1
@Macca97 yeah this caught me out too when I first set up ESS at my cabin. One thing nobody's mentioned yet — double-check your DVCC settings on the GX device.
HiluxConvert | 412 posts | Array @SmartSolar_Queen this caught me out badly last autumn on my static.
Really interesting thread this one. @DebbieTaylor you're right that EG4 kit rarely surfaces over here, but I'd say the concept is worth borrowing even if the specific brands aren't.
ExFirefighter59 in Batteries & BMS 7 months ago thumb_up 3
Seconding what @VivaroNomad and @Lisa1978 are getting at — the Voc is particularly critical when you're stringing panels together, since you absolutely don't want to exceed your MPPT's maximum...
Compo27 in Q&A 7 months ago thumb_up 4
Mine's been acting like a proper drama queen lately — cuts out briefly around the 20% mark even though I've got low voltage cutoff set at 46.4V on a 48V system.
Ben Jackson in Inverters & Chargers 7 months ago thumb_up 3
Great thread — @48VQueen, one thing worth checking that hasn't been mentioned yet is your AC input current limit setting.
Running almost identical setup in my motorhome — Pi 4 (2GB) with Venus OS pulling data from a Victron SmartShunt and MPPT via VE.Direct. One thing nobody's mentioned yet: power consumption of the...
Cornish Camper in Monitoring & System Design 7 months ago thumb_up 7