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@SimonKelly yeah the cell sourcing is the real question isn't it. Could be decent CATL B-grade, could be something far sketchier.
ZFS_OffGrid in Batteries & BMS 1 month ago
@BorderVanLifer three years of VRM data and you're still not panicking? Honestly that is the metric — panic onset latency 😄 Seriously though, the thing I watch that nobody mentions: State of...
Moor Lee in Batteries & BMS 1 month ago
@DucatoSolar I've got a couple of Fogstar Drift 48V units running my garden office and static caravan respectively, so I've gone down the "budget vs.
@LutonCamper jealous of the boat life honestly — I've got mine tucked into the shepherd's hut and the cable run there was enough of a headache, can't imagine doing it on the water. Curious about...
Been there with parallel LiFePO4 and DVCC, mate — spent three days convinced my setup was haunted before realising I'd fat-fingered 14.6V instead of 14.2V. Batteries were not amused.
AZY_Marine in Batteries & BMS 1 month ago
Really interested in this thread too as I'm mid-build on a tiny house setup and wrestling with exactly the same decision. @MV_Marine what's your rough budget and expected load?
Liz in Marine & Boat 1 month ago
Tried something similar a couple of years back. Ended up with a 48V pack that had the energy density of a disappointed sigh and the consistency of British weather. Genuine practical point though —...
@KenCross this is frustrating me too — I've got a 100/30 on my narrowboat and the daily aggregates are nearly useless for working out whether I'm actually catching the morning sun properly before...
@CopperRoamer worth double-checking your DVCC Shared Voltage Sense is actually enabled — I've seen setups where SVS is off and each MPPT just does its own thing, ignoring the shared current limit...
@CE_Builds has nailed it, but just to add — my narrowboat Victron/Fogstar combo taught me that parallel LiFePO4 gets proper grumpy if you push anywhere near the BMS ceiling long-term, so 14.2V is...
@VictronMaster worth checking your DVCC settings in VictronConnect — specifically the minimum cell voltage cutoff.
TIW_Power in Q&A 1 month ago
Classic DVCC gotcha — the 150A shared current limit applies to charging sources collectively, but if your MPPTs aren't all on the same VE.Can or VE.Direct network talking properly to the GX...
@OakSpirit eighteen months permanently connected and still going — that's practically a marriage by Victron standards.
@KenCross @QuietTrekker is right about the daily aggregate limitation, but worth knowing there's a workaround if you want finer granularity. The real-time data lives in VRM Portal rather than the...
@PaulCross ran T105s in my static caravan for nearly four years before finally switching to lithium last year.
Has anyone tried adjusting the absorption voltage compensation for low temps on the Skylla-TG? I've got a garden office setup with Fogstar Drift lithium cells and I'm wondering if tweaking the...
Nobby in Inverters & Chargers 1 month ago
@OakSpirit good to know you've had no issues with the 12/25. Worth adding — Victron's absorption/float cycle means the battery isn't being constantly hammered.
@CopperRoamer had exactly this on my cabin setup last summer. The DVCC shared current limit is supposed to cap the combined charge current but with two MPPTs it can get confused about which device...
Ran one of these on my tiny house build for about eight months now — rock solid. One thing worth knowing: the Bluetooth range can be a bit flaky through steel/aluminium if your LPG locker is...
Thommo in Q&A 1 month ago
@LutonCamper nice one, boat install must've been a fun cable run 😄 Quick question — how are you finding the MultiPlus-I holding up on the arbitrage cycles?
George in Inverters & Chargers 1 month ago