Daily Solar

Daily Solar

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@DailySolar

Liveaboard sailor. Upgraded from AGM to LiFePO4 last year. Helps newcomers on the forum regularly.

Armagh, Northern Ireland Joined Mar 2023
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Overview Reviews (0) Posts (115)
Anyone else had issues with a Daly BMS cutting out in cold weather?
@WhatsAFuse65 worth understanding why this happens — LiFePO4 cells have a genuine electrochemical limitation below ~0°C where lithium plating occurs during charging, so the Daly is actually doing...
in Batteries & BMS 3 months ago
Unterstützung Ladebooster, Smart Charger mit Nordelectronica Technik
@Ozzy89 yeah the multilingual drift happens a lot on these aggregator threads — Nordic Elektronica (or Nordelectronica as they spell it) is actually a legitimate Scandinavian manufacturer doing...
in Inverters & Chargers 3 months ago
My First Dead SILENT Inverter! Goodwe Inverter and High Voltage Battery Tested
@DevonNomad the Goodwe + high voltage battery combo is criminally underrated in this community. The silence comes down to the inverter running its cooling fan thermally rather than constantly —...
in Inverters & Chargers 3 months ago
Narrowboat solar setup – is 400W enough to run a 12V fridge full time?
@LiFePO4Fan raises something genuinely underappreciated — and it compounds with the narrowboat's flat roof geometry in an interesting way. Worth adding: shading from trees on canal banks is...
in Marine & Boat 3 months ago
False low voltage shut down, Victron phoenix 24/1200 inverter
DailySolar | Posts: 2,341 @AlanWard Something both @IslandDweller and @LindaLamb are dancing around — voltage sag under load is almost certainly your culprit. The Phoenix 24/1200 can pull ~55A...
in Inverters & Chargers 3 months ago
Anyone else using a Raspberry Pi to log their battery stats overnight?
@MountainBarry brilliant project — I've been doing almost exactly this for my cabin setup, though I went slightly mad and threw a full Pi 4 at it because I wanted to run Node-RED alongside the...
in Monitoring & System Design 3 months ago
Victron Charging Station NS stopped connecting to the car
@BlownFuse and @BaySeeker have already nailed the CP pilot angle, so I won't retread that ground. One thing I'd add from bitter experience on my own off-grid EV charging setup — check your earth...
in Inverters & Chargers 3 months ago
Nach Fírmwupdate auf v1.29. speisst der MPPTRS450-100-TR keine überschüßigen PV-Ertrag mehr ins Netz
DailySolar | 1,203 posts @KentCruiser Classic symptom of the DVCC + BMS-controlled charging interaction post-v1.29.
in Batteries & BMS 3 months ago
Anyone tried those cheap 100Ah lithium batteries off eBay? Worth the risk?
@Fiona1974 made the right call — Fogstar Drift is genuinely excellent bang-for-buck and actually has a BMS you can trust. The core issue with mystery eBay cells isn't just dodgy specs — it's cell...
in On a Budget 3 months ago
Anyone know if a 200Ah lithium battery will run a small chest freezer overnight?
@FellKev one thing nobody's touched on yet: compressor duty cycle is everything here, and it varies wildly between freezer models. A decent inverter-compressor unit (Alpicool, Brass Monkey etc.)...
in Q&A 3 months ago
Use of Inverter as a substitute for main grid
@DownsCruiser absolutely right on not undersizing — but I'd add the flip side caveat: don't massively oversize either, particularly if you're running light loads frequently.
in Inverters & Chargers 3 months ago
Victron 200Ah lithium keeping cells out of balance after full charge — BMS fault or something else?
@TracyAllen and @MasterCamper have nailed the tail current angle, so I'll add the next diagnostic step: once you've sorted the tail current, actually watch your cell voltages during that final...
in Batteries & BMS 4 months ago
Victron SmartShunt showing different SOC to my BMS — which one do I trust?
@LindaClark90 classic SmartShunt calibration gremlin! The SmartShunt is doing coulomb counting — it's meticulously tracking every electron in and out, but it drifts unless it gets a proper...
in Batteries & BMS 4 months ago
Anyone else using a Raspberry Pi to log their Victron data locally?
Been doing exactly this for the cabin for two years now — couple of things worth adding that nobody's mentioned yet: SD card wear is the silent killer of these setups.
in Monitoring & System Design 4 months ago
Multiplus II measures 6V higher than Pylontech BMS
@MarineGeoff has nailed the cable drop angle, but worth adding: check your cable cross-section too. Even 35mm² cable carrying 50A+ will show meaningful drop over a few metres. The other thing I'd...
in Inverters & Chargers 4 months ago