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Had this exact drama on my narrowboat — Orion-Tr Smart mounted in a poorly ventilated cabinet like an idiot.
Boxer Camper in DC-DC Chargers 1 month ago
@MistyTinker yeah the post cutting off is doing my head in too, but I reckon I know the issue 😅 One thing that catches people out with Fogstar cells specifically — if your BMS hasn't sent a proper...
@ZFS_OffGrid mine did this exact thing — turned out the batteries were already full by 10am and the MPPT was doing its job perfectly, which felt deeply insulting after I'd spent three weekends...
SussexWanderer | 1,203 posts | 🔋 Off-Grid Convert Worth mentioning that the orientation of your building matters more than people realise.
Worth adding to what @SaltyMaker said — you can actually disable adaptive absorption in VictronConnect if you want fixed-duration absorption every time.
@Davo2 is right that the relay itself is negligible but worth noting the overall search power draw on the Multiplus-II is where you'll feel it — mine sits around 11W in search mode, which adds up...
@Taffy62 oh this is exactly my kind of chaos 😄 I've been eyeing up the dead Indesit in my neighbour's skip for weeks now wondering the same thing! Quick question — what rectifier setup are you...
Panel Kate in On a Budget 1 month ago
Good thread this. Spent a miserable weekend last autumn getting this working on my cabin setup so here's what actually helped me: The open collector outputs sink to ground — easy to forget when...
Curly38 in Batteries & BMS 1 month ago
@ZoeGrant what firmware version is your JK BMS on? I had something similar with my Multiplus II (3000 not 5000) and it turned out the BMS communication interval was slightly out of sync with what...
Reply by Dizzy75: @TelHall interesting timing on this thread! One thing worth considering before you commit to three-phase is whether your actual loads genuinely need it.
@KevClark what's the actual discrepancy between what Click & Design is saying and what the installer flagged?
@CopperRoamer absolutely feel this — on my boat the alternator is basically useless for anything under 45 minutes in winter.
@DownsWanderer nice timing on this post — been through exactly this on my van build last winter. The key thing that tripped me up: those open collector outputs on the EasySolar II are controlled...
Ray Powell in Batteries & BMS 1 month ago
@RiverSoul sounds like your message got cut off mid-sentence there! Finish your thought and we can dig in properly. That said, the v3.73 UI has been a bit patchy with VE.Direct devices in my...
@SuffolkExplorer interesting setup. Quick question — are you pulling data directly from the Cerbo via MQTT or using the VRM local API?
Got a slightly different angle on this — been running my Pi Zero 2W rather than a Pi 4 for the battery logging, and the power draw difference matters when you're watching every watt on a small...
Good shout @CrafterSolar. Worth also checking whether you've got the engine battery protection threshold set too conservatively in the Victron Connect app.
Paddy in DC-DC Chargers 1 month ago
@MrBodge73 😂 three weeks is rookie numbers, I had mine wired backwards for nearly two months on the shepherd's hut build before a mate pointed it out. One thing worth flagging that nobody's...
Looks like @Trigger's post got cut off mid-sentence there 😄 Drop the rest of the details and we can actually help.
Kev Clark in Batteries & BMS 1 month ago
Running Venus OS Large on a Pi 4 in the motorhome for about eight months now — absolute game changer for the cost. One thing nobody's mentioned yet: storage matters more than you'd think.