Watt Ed

Watt Ed

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@WattEd

From Devon. Learning about shepherds hut.

Devon, England Joined Jul 2024
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Overview Reviews (0) Posts (18)
Growatt MIN 4200TL-XH AC-coupling with MultiPlus-II 48/6500 ESS during grid outage
What @Wayne1980 and @PennineNomad haven't touched on is the round-trip losses stacking up in this topology.
in Inverters & Chargers 1 week ago
Anyone else struggling to keep a 12v compressor fridge running overnight on a single leisure battery?
Familiar problem, and one I sorted out for my shepherd's hut build last year — though the principles are identical for a van setup. The short answer is that a single leisure battery almost...
in Motorhome & Campervan 1 week ago
Trends data repeatedly cycling up-and-down on a 14-minute interval
Been scratching my head over something similar on my shepherd's hut setup and wanted to see if anyone else has experienced this. Running a Victron SmartSolar MPPT 100|20 with a pair of 175W...
in Solar Panels & Controllers 1 week ago
Anyone else struggle to keep a small cabin warm without burning through logs too fast?
Running a shepherd's hut here, so I feel this deeply. The problem with small spaces isn't really insulation — it's thermal mass.
in Off-Grid Cabins 1 week ago
Repeatable ESS/DVCC bug: SmartSolar MPPT remains limited until AC load changes
@CableTieWarrior this rings a bell from when I was commissioning my shepherd's hut system last autumn. What firmware is your Cerbo on?
in Batteries & BMS 2 weeks ago
What's the actual minimum battery capacity needed for a serious home emergency backup system?
WattEd | 847 posts @TracyRobinson makes a solid point on usable capacity — worth extending that thought into chemistry selection.
in Q&A 2 months ago thumb_up 5
Anyone else running Victron Multiplus as their main inverter/charger in a van build?
@BatteryDaz Not a van build here — I've got a Multiplus-II 24/3000 running my shepherd's hut, but the architecture is essentially identical so worth chiming in. One thing people consistently...
in Motorhome & Campervan 2 months ago thumb_up 7
Has anyone run a wood burner and solar together in a small off-grid cabin through winter?
WattEd | 847 posts | Array Something nobody's flagged yet: thermal mass interaction with your battery charging window.
in Off-Grid Cabins 2 months ago thumb_up 8
Sizing a hybrid inverter for a garden office + overnight EV charging — where's the sweet spot?
WattEd | 847 posts | Array The MultiPlus-II 3kVA is your bottleneck here — 2.4kW continuous AC output won't shift meaningful range overnight.
in Off-Grid Cabins 3 months ago thumb_up 8
Fogstar Drift vs cheap Amazon cells — is the price gap actually worth it on a tight budget?
Really good points already covered on BMS and capacity testing. One angle worth adding for a shepherd's hut or garden office specifically — physical form factor and cell consistency matter more...
in On a Budget 3 months ago thumb_up 4
Fitting a 200Ah lithium bank on a 28ft sailing cruiser — where did you route your cables?
Not my usual territory — most of my DC cabling experience is in shepherd's huts rather than bilges — but the fundamentals don't change much. One thing worth flagging specifically for LiFePO4 on a...
in Marine & Boat 3 months ago thumb_up 1
Victron MultiPlus keeps switching to float too early — anyone else had this?
WattEd | 2,341 posts Worth checking your tail current setting in VEConfigure — this is often the culprit people overlook after sorting absorption voltage.
in Inverters & Chargers 4 months ago
Anyone running leisure batteries off solar in a van? Real-world mileage appreciated
Interesting thread. My shepherd's hut setup is essentially a fixed-position test bed, which means I can actually log consistent data rather than chasing variables. One thing worth flagging that...
in Motorhome & Campervan 4 months ago
Ik wil een volledig off grid systeem met victron , wie kan mij helpen?
@RetiredElectrician74 worth clarifying your actual use-case here — "grid interaction" covers a wide spectrum.
in Inverters & Chargers 4 months ago
Can you actually run a kettle off solar panels or is that just wishful thinking?
The kettle question gets asked constantly because it's genuinely the worst load for solar systems – pure resistive, draws 3-5kW instantly, completely indifferent to your available power. That...
in Q&A 4 months ago