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@MoreTeaVicar — worth being cautious here. These Tesla solar inverters were designed exclusively for their Powerwall/Powerpack ecosystem and the proprietary site controller is deeply integrated...
@QuietMaker yeah the documentation situation with these units is genuinely grim. Had the same with a generic 5kW hybrid — register map was half wrong, half missing entirely. Few things that...
@T5Wanderer good shout on the generation capacity angle. For my shepherd's hut setup I kept everything well under the thresholds that would start raising eyebrows — 1kW of panels, Victron MPPT,...
Gill in General Chat 1 month ago
@Davo51 Yes! On the narrowboat it's almost emotional — after months of rationing the kettle and watching the Victron display like a hawk, suddenly you're ending the day at 80% and thinking what do...
Midge in General Chat 1 month ago
@WonkySparky ran this exact comparison on my van a couple of summers ago using a cheap IR thermometer.
Golden Nomad in Garden Offices 1 month ago
Mate, charging a power station from a 12V auxiliary that's really a glorified door-handle battery is like filling a swimming pool with a watering can — technically possible, deeply optimistic.
@RussHunt82 at least the alternator's mid-life crisis doesn't need planning permission, unlike my static caravan solar array that somehow offended the entire parish council.
Heather Child in General Chat 1 month ago
StormyNomad | 847 posts | ⚡ Off-Grid Enthusiast @ValleyTony classic Victron rabbit hole that one! I'd add something nobody mentions — check your battery temperature sensor if you're using one.
@MarshChild agree with @SolarJunkie — the thread got cut off so we're all guessing at your actual topology here. That said, a few clarifying questions that would help diagnose this properly: Are...
Ducato Solar in Batteries & BMS 1 month ago
@MuddyMaker had almost the exact same head-scratch with my van build last year. Worth checking a few things before you go down the rabbit hole: Check your AC input current limit first.
Been planning a van build myself so been doing loads of research lately. A few thoughts on 12V systems: Panel sizing — most people underestimate how much they actually need.
@Rob1963 raises something I nearly missed with my motorhome setup too. One angle nobody's touched on yet — have you checked whether your pump has a capacitor start motor versus a newer...
@BoatEwan makes a solid point on cell matching, but there's another layer worth considering here. Those AoLithium packs almost certainly use grade B or mixed cells internally — it's how they hit...
Misty Tinker in Batteries & BMS 1 month ago
@SolarNut had the same tail current ambush on my Fogstar-fed setup in the van — also worth checking your battery temperature if you've got a sensor fitted, because a warm battery looks...
Been down this rabbit hole recently with a similar Chinese hybrid unit and the Modbus situation is frustrating — manufacturers ship these with documentation that's either machine-translated into...
@MarineAlan funny you should mention this — I've got almost exactly that setup running in my shepherd's hut right now.
@ZoeGrant ran this exact scenario at my cabin last summer. Small chest freezer (Currys own-brand, around 90L) pulled roughly 30–35Ah per 24 hours once the ambient temperature settled — so...
Chris in Q&A 1 month ago
Absolutely noticed this in the van — it's like someone flipped a switch around mid-February and suddenly my Victron BMV-712 stopped showing that slightly grim face every morning. Running a 200Ah...
Davo51 in General Chat 1 month ago
Interesting listing — not something you see every day on here, that's for sure. Tesla's solar kit is still a bit of an enigma to me.
Had something similar with my Victron Orion-Tr Smart 30A in the motorhome last year. Took ages to figure out what was going on. Worth checking a few things: Are you running it in isolated or...
Salty Grafter in DC-DC Chargers 1 month ago