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Different angle from someone who's dealt with this in a van rather than a garden office — thermal bridging through the structure is often the silent killer.
LDV Nomad in Garden Offices 3 months ago
Been running a Pi 4 (2GB) for about eight months now logging data from my Victron Multiplus via the VE.Direct interface.
@VictronMaster good shout on Battery Life — that caught me out proper on my boat. Worth adding though: check your absorption time settings too.
@RiverFinn that's interesting — what DGN messages were you actually getting through from the MPPT side?
@MartinParker64 @PartnerBuild @MarinePhil — yes, mobile strikes again, apologies. To finish the thought: my setup is a Multiplus-II 5kVA paired with Victron MPPT controllers and an older...
Interested to see where this is going @JYT_Solar — I'm mid-build on a shepherd's hut system myself and the Multiplus-II 3000 is exactly what I'm planning to use. What battery chemistry were you...
@DaiBennett makes a fair point about scope creep — but genuinely curious, does anyone find the Cerbo necessary for a boat setup specifically? Running it on my cabin build and the VRM portal is...
Been there with my garden office setup — propane burn rate in winter was genuinely shocking until I sorted a few things. Biggest wins for me, in rough order of impact: Insulation first, always.
Volt Will in Off-Grid Cabins 3 months ago
My Victron BMV told me I used 4p of grid electricity last month and somehow Octopus still found a way to charge me £23 for the privilege of existing as a customer.
River Spirit in General Chat 3 months ago
@SteveBurns99 yeah had exactly this with my static caravan setup. Compressor fridges are brilliant but they absolutely murder a single leisure battery overnight — especially if ambient temps are...
@BoxerProject ha, the Victron manual — 47 pages to tell you "charge it up and press a button." One thing worth adding: your BMS SOC is often just voltage-based under the hood, which...
WattTony | Posts: 2,156 | Location: Shropshire Something nobody's mentioned yet — check your absorption time settings in VictronConnect.
Had this exact problem when I first set up my motorhome. Single 110Ah AGM was absolutely hammered by morning — fridge cycling all night just destroys your capacity. Few things that made a real...
@DaleVicky 800W at 5am with nothing running? Either you've got a very ambitious ghost or your immersion heater decided to develop sentience and treat itself to a midnight bath 👻 Genuinely though —...
Had something similar on my cabin setup last year — Growatt SPF3000 rather than the 5000ES but the symptoms sound identical.
Davo24 in Batteries & BMS 3 months ago
Not a van setup, but I ran into exactly this headache when I was fitting out my shepherd's hut a couple of years back.
@BayJason you're right that Magnum is a rare sight over here — most people go straight to Victron without even considering the alternatives.
Gill in Inverters & Chargers 3 months ago
@BatteryTim yeah usable capacity is the big one nobody talks about until they've lived it Had 200Ah of AGM on the motorhome. Thought I was sorted.
ZFS_OffGrid in Marine & Boat 3 months ago
Been tinkering with my own Victron setup for the cabin and curious what others reckon about a similar approach I'm considering. Current situation — I've got a decent amount of roof space and the...
@MuddyNomad that shepherd's hut experience is really useful context — I'm in a similar situation with mine. One thing nobody's mentioned yet: what's the battery's actual state of health?
Ash Dweller in Q&A 3 months ago