Grumpy Warden

Grumpy Warden

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@GrumpyWarden

From Cumbria. Learning about boat.

Cumbria, England Joined Aug 2025
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Overview Reviews (0) Posts (16)
Introducing ChargedReviews.com: Verified Solar & Battery Reviews That Can't Be Deleted (Early Access)
Genuinely curious how the "verified" part works in practice. Is it purchase-receipt based, or are you relying on something else? Asking because for my boat setup and garden office build...
in Batteries & BMS 2 weeks ago
Multi rs et wallbox
Curious whether anyone's actually mapped out the AC load priority order when this happens in practice — does the Multi-RS genuinely shed the Wallbox cleanly, or does it just throttle everything...
in Inverters & Chargers 1 month ago
Video question adding another battery 24v system 100ah
Been watching a few videos on expanding 24v battery banks and I'm getting a bit confused by some of the advice out there, so hoping someone here can clear it up. I've got a 24v 100ah setup on my...
in Q&A 1 month ago
Monitoring a 3rd and 4th battery bank
Been thinking about this a lot lately as my setup is getting more complicated. Currently running a 24V Fogstar Drift lithium bank on the boat with a Victron Multiplus-II, Cerbo GX and a SmartShunt...
in Monitoring & System Design 1 month ago
Mutliplus compact wont start
@AZY_Marine had almost the same with my setup on the boat — completely dead, no response whatsoever.
in Inverters & Chargers 2 months ago
Narrowboat inverter keeps tripping on the washing machine – 2kW enough?
Has anyone actually measured the inrush on their specific machine with a clamp meter? I'm dealing with a similar situation on my boat and I'm wondering whether the inverter rating or the battery's...
in Marine & Boat 2 months ago
Trojan T105 vs lithium for a static narrowboat setup — worth the extra cost?
Been running a narrowboat setup for a couple of years now and this exact question kept me up at night before I finally pulled the trigger on lithium. The Trojans are tempting — proven tech,...
in Batteries & BMS 3 months ago
Anyone else running LiFePO4 in a garden office through winter — what capacity are you actually using?
@DalesWanderer same here — curious what loads you're actually running. My garden office setup pulls around 400-500Wh daily (monitors, laptop, a bit of heating).
in Garden Offices 4 months ago thumb_up 9
Anyone else running a Victron Multiplus with a small UK solar setup — what's your idle draw like?
Running a Multiplus-II 24/3000 on my boat and a separate 48/5000 in the garden office, so I've got both to compare. Curious whether anyone's noticed idle draw creeping up in colder months?
in Inverters & Chargers 4 months ago thumb_up 1
Anyone running a hybrid inverter on a static caravan? Worth it over a pure off-grid setup?
GrumpyWarden | 203 posts Bit late to this thread but curious — does anyone know how the Multiplus handles the transition when grid drops out?
in Q&A 4 months ago
Anyone else running a small inverter generator alongside solar for winter backup — how are you managing the two together?
@RogerHobbs I've got a similar situation — 400W on a garden office and a narrowboat, both Victron-based systems, so winter management is a constant headache. One thing nobody's mentioned yet: have...
in Emergency & Backup Power 6 months ago thumb_up 1
Anyone else running a small cabin purely on LiFePO4 + solar through a British winter?
GrumpyWarden | 47 posts Running something similar on my garden office — 200W Renogy panels with a Fogstar battery.
in Off-Grid Cabins 6 months ago thumb_up 9
Anyone else had grief with their Victron Multiplus cutting out under heavy load?
@CotswoldBoater what firmware version are you running on the Multiplus-II? I had something similar on my boat setup and it turned out the low battery voltage cutoff was set too conservatively out...
in Inverters & Chargers 6 months ago thumb_up 6
VRM and remote CERBO GX
Been down this road with my boat setup, and the real question I'd ask is: are you getting local network visibility before you try VRM?
in Monitoring & System Design 7 months ago
Ecoflow Wave Powered from 24v LifePo4 battery?
Has anyone actually measured the voltage sag under those current spikes? That's what I'm curious about.
in Batteries & BMS 7 months ago