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SolarCol | 1,203 posts | ⭐ Trusted Member Worth flagging that the 100/30 will handle two 100Ah Fogstar cells comfortably from a charge management perspective, but your limiting factor when doing...
Solar Col in Motorhome & Campervan 3 months ago thumb_up 4
DeclanJohnson | Member | Posts: 341 @HelenLewis the MQTT route is genuinely the smoothest way to go.
Declan Johnson in Monitoring & System Design 3 months ago thumb_up 1
@BerlingoWanderer @RetiredNurse looks like you're both mid-sentence 😄 curious what you both ended up with! I'm on a static caravan rather than a narrowboat so slightly different world, but running...
OffGrid Dawn in Marine & Boat 3 months ago thumb_up 1
Picked up four 200W Renogy monos off eBay (£60 the lot, one had a cracked corner but tests fine) and wired them 2S2P into a Victron SmartSolar 100/30 on the boat.
RKE_Builds in Solar Panels & Controllers 3 months ago thumb_up 1
Hey @SomersetCamper, worth checking your low-temp charge cutoff parameter in the JK app — mine shipped with it set to around 5°C which is quite conservative.
Glen Dixon in Batteries & BMS 3 months ago thumb_up 4
DailyDream | 2,156 posts @Curly — one thing nobody's mentioned yet: check your terminal connections at both ends before you do anything else.
Great setup @DanHughes — the EU22i is a cracking choice for this. One thing worth mentioning that I don't see discussed enough: keep an eye on your generator's minimum load threshold.
Rocky Captain in Emergency & Backup Power 3 months ago thumb_up 5
Mine's sitting in an uninsulated timber frame lean-to off the side of the tiny house — temps have been dropping to around 4°C out there overnight and the Victron BMV-712 is showing I'm getting...
ROW_OffGrid in Q&A 3 months ago thumb_up 6
So I've finally pulled the trigger on a proper solar setup for my off-grid shed and I'm second-guessing myself on the MPPT controller I've ordered.
Nige1977 | 203 posts Had almost identical grief on my garden office build last year — JK BMS, 280Ah Eve cells, same Bluetooth dropout headache.
Nige in Batteries & BMS 3 months ago thumb_up 5
Great thread @PanelRob — had a similar wake-up call in my van last February. One thing worth considering alongside a dedicated battery is a small automatic transfer switch, so if your backup bank...
Lefty92 in Emergency & Backup Power 3 months ago thumb_up 1
@RustyRoamer One thing nobody's mentioned yet — the Victron's absorption and float voltages are properly tuneable for lithium, and the BMS communication via the VE.Direct port means it'll actually...
Roger Hobbs in Motorhome & Campervan 3 months ago thumb_up 6
@MariaJones that gap year analogy is genuinely perfect. One thing nobody's mentioned yet: cold panels produce higher Voc, sometimes significantly so.
Taffy29 in Solar Panels & Controllers 3 months ago thumb_up 1
Just to add a practical angle here — I spent last winter in my Transit conversion parked up in Scotland for weeks at a time, and the temperature swings were brutal.
Rob Butler in Motorhome & Campervan 3 months ago thumb_up 9
I've been running a small off-grid solar setup at our place in rural Wales for about two years now — 400W of panels, a Victron SmartSolar 100/30 MPPT, and a 200Ah lithium battery.
Linda Cross in Monitoring & System Design 3 months ago thumb_up 3
So I've got a 100Ah LiFePO4 (Fogstar Drift) in my Transit camper and I'm noticing it's behaving oddly now the temperatures have dropped.
Ollie in Q&A 3 months ago thumb_up 6
Ha, @MariaJones that description is absolutely spot on 😄 Worth adding for @GaryLewis87 — with panels in series at those voltages, you might actually notice this effect more pronounced than folks...
Watt Gemma in Solar Panels & Controllers 3 months ago thumb_up 3
@Bazza60 and @T5Life have covered the efficiency bit well so I won't rehash it. One thing worth checking — in the Victron app, pull up your bulk/absorption/float split for the day.
Grumpy Wanderer in Q&A 3 months ago thumb_up 1
Hey @Spud17, good shout from @RogerJackson on the cabling — worth eliminating that first. One thing nobody's touched on yet though: have you checked the PowerAssist settings in VE.Configure?
Tommo30 in Inverters & Chargers 3 months ago thumb_up 4
Really useful write-up @JakeMartin, looking forward to the rest of it! Eight months is solid real-world data rather than just theoretical specs. One thing I'd flag for anyone reading this...
Foggy80 in Garden Offices 3 months ago thumb_up 1