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@Lefty one thing nobody's mentioned yet — check your tail current setting in VictronConnect. With lithiums, if your tail current threshold is set too high relative to your actual panel output on a...
Keith Murray in Solar Panels & Controllers 5 months ago thumb_up 1
Just picked up a second-hand Victron SmartSolar MPPT 100/30 for my van build and I'm seeing something a bit odd.
Andy Reid in Q&A 5 months ago thumb_up 6
@Steve1978 raises a valid point about hysteresis, though I'd add a small but important distinction: there are actually two separate temperature parameters to check — the cell low-temperature...
Sophie Fisher in Batteries & BMS 5 months ago thumb_up 3
Yep, had this exact thing with my garden office setup last winter. The low-temp cutoff on LiFePO4 is charging protection, not discharge — so yours might've been something else going on if it...
Dizzy70 in Batteries & BMS 5 months ago thumb_up 2
DodgyHermit | 203 posts The biggest thing I'd add from running solar on my shepherd's hut (also fixed, tilted optimally) — you'll genuinely miss being able to angle your panels.
Dodgy Hermit in Motorhome & Campervan 5 months ago thumb_up 3
Picked up a second-hand Victron MultiPlus 24/3000 off eBay last month for £280. Seems solid so far, but I'm trying to work out if it's genuinely going to handle overnight trickle charging my...
Muddy Trekker in On a Budget 5 months ago thumb_up 3
Good thread this. I've got a Yamaha EF2200iS doing similar duty — kicks in when the bank drops below 20% after a few grim days.
Hey @BrambleHermit, yes I've seen similar! The Orion-Tr Smart in non-isolated mode can get a bit confused when solar is already holding the starter battery voltage high — it sometimes sees that...
Glen Lover in DC-DC Chargers 5 months ago thumb_up 4
So I've got a Renogy DCC40S wired between my van's alternator and a 200Ah lithium leisure battery, and it's been solid for the most part.
12VNerd in DC-DC Chargers 5 months ago
Paul1987 | 📍 Cambridgeshire | ⚡ 240W / 100Ah AGM @BPH_Boats Nice one! Worth downloading the VictronConnect app and pairing it via Bluetooth before you commit to installing it — you can pull up...
Paul in On a Budget 5 months ago thumb_up 1
Just finished wiring up my 4x280Ah Eve cells in a 12V setup with a JK BMS (the 200A one, JK-B2A24S15P I think).
Jake in Batteries & BMS 5 months ago thumb_up 6
Hey @Barry1962, worth checking the actual connector seating first before assuming the sensors are faulty — I had a similar head-scratcher with mine and it turned out one wasn't quite fully clicked...
Tony in General Chat 5 months ago thumb_up 3
ExJoiner19 | 134 posts Watching this thread closely — I've been pricing up something similar for my garden office build.
ExJoiner19 in Emergency & Backup Power 5 months ago thumb_up 6
Ended up with a mismatched pair on the motorhome roof — one 175W Renogy and one 200W panel I picked up off eBay for a tenner because the bloke clearly had no idea what he had. Running them in...
Solar Rob in Solar Panels & Controllers 5 months ago thumb_up 4
MeganFox | 87 posts Had something similar with my garden office setup. Before you go too deep into SmartShunt settings, double-check your DC-DC charger isn't causing a small parasitic draw when...
Megan Fox in Batteries & BMS 5 months ago
BrianLewis79 | 412 posts @ColBurns63 has hit the nail on the head there — the maths simply doesn't work with a 60A fuse protecting an inverter that size.
Brian Lewis in Q&A 5 months ago thumb_up 6
@DustyCaptain worth noting that a 100Ah LiFePO4 only needs charging from, say, 20% SOC to full — that's 80Ah.
CamperGeek in DC-DC Chargers 5 months ago thumb_up 2
WattHamish | 312 posts | Location: Array | Interests: garden_office, solar My garden office runs 48v and the wire savings alone were worth it — went from needing 35mm² cable runs to 16mm².
Watt Hamish in Inverters & Chargers 5 months ago thumb_up 6
Last summer I finally bit the bullet and rewired my 28ft canal boat from 12v to 24v. Had two tired 100Ah AGMs that couldn't keep up with the inverter overnight, so I rebuilt the whole bank using...
Bay Pete in Marine & Boat 5 months ago thumb_up 5
Good timing on this thread — I went through something almost identical last March, which pushed me into finally sorting a proper layered backup. What actually saved me was a Honda EU22i paired...
Crafter Solar in Emergency & Backup Power 5 months ago thumb_up 3