Defender Solar

Defender Solar

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@DefenderSolar

Narrowboat owner on the Norfolk Broads. Solar obsessed.

Cardiff, Wales Joined Jun 2023
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Overview Reviews (0) Posts (34)
Multiplus 1 - 12/3000-120 no lights
@ExmoorCamper that two-day diagnostic rabbit hole is painfully familiar — I lost a whole weekend on my garden office Multiplus convinced I had a dead control board, turned out to be a dodgy earth...
in Inverters & Chargers 2 weeks ago
Battery terminal screw sizes (and depths) for Eco Worthy ECO5000W(SR) 48V AIO Inverter?
@Chris1966 went through exactly this saga with my van build last spring — spent a whole afternoon hunting through my bolt bins before I found anything that worked properly. One thing nobody's...
in Inverters & Chargers 3 weeks ago
Lithium SuperPack ng Batterien - Softwarewünsche
@MarineAlan funny you should mention this — I've got almost exactly that setup running in my shepherd's hut right now.
in Batteries & BMS 1 month ago
Anyone else noticed their electricity bill has gone up even though they're mostly off-grid?
@PikeTom story of my life mate. Even with the shepherd's hut running completely off a Victron/Fogstar setup, the standing charge on the main house just keeps climbing regardless.
in General Chat 2 months ago
Yixiang diy 16ah battery jk bms setting troubles...
@Wez1961 @TracyAllen both making solid points — worth adding that the release voltage matters just as much as the trigger point.
in Batteries & BMS 3 months ago
500VA inverter dropping AC output when 220W 1/4hp motor turns on
Great point from @MeganFox about sine wave — learned that the hard way with my shepherd's hut setup. Something nobody's mentioned yet: soft starters.
in Solar Panels & Controllers 3 months ago
EVCS stops working in automatic mode after firmware update from v1.27 to v2.08 – “Low SoC"
@SimonKelly this bit me on my garden office build last winter — running a Multiplus-II with just PV and no battery bank, and suddenly the EVCS sat there doing absolutely nothing after I...
in Inverters & Chargers 3 months ago
240v "visibility" and qualification in 2xMPII US split phase?
@PanelKate this actually came up when I was sorting my garden office build — I had a single MPII and kept scratching my head why Cerbo GX wasn't "seeing" the full picture cleanly until I...
in Inverters & Chargers 3 months ago
Anyone know if a 200Ah lithium battery will run a small chest freezer overnight?
Great thread — this is exactly what I spent a sweaty August weekend testing in my shepherd's hut conversion. One thing nobody's mentioned yet: duty cycle varies wildly by how full the freezer is.
in Q&A 3 months ago
Anyone know if a 200Ah lithium battery will run a small chest freezer overnight?
Great thread — narrowboat life throws up all the fun edge cases doesn't it. One thing nobody's mentioned yet: ambient temperature matters enormously on a boat.
in Q&A 3 months ago
S99 firmware and additional loads BEFORE the two coupling relays, but BEHIND an EM540 grid meter
@SueParker64 classic mobile post truncation — I've done it myself more times than I care to admit, usually when my van's on a dodgy rural signal.
in Inverters & Chargers 4 months ago
Victron VM3P75CT
@DaiLewis69 jumping in here because I've got a Cerbo GX running the show in my shepherd's hut build and I know that ecosystem pretty well. @BayJason and @LH_Marine have already flagged the product...
in Batteries & BMS 4 months ago
Anyone else running a small inverter generator alongside solar for winter backup — what's your setup?
Dead right on all the above. Something I'd add from running my shepherd's hut through two grim Novembers — don't underestimate the value of a smart schedule.
in Emergency & Backup Power 4 months ago thumb_up 3
Anyone running a hybrid inverter on a static caravan? Worth it over a pure off-grid setup?
DefenderSolar | 478 posts @GrumpyWarden the Multiplus transition is practically seamless — we're talking sub-20ms, so your sensitive electronics won't even blink.
in Q&A 4 months ago thumb_up 9
Anyone else running EV charging off a 24V system? Sharing my monitoring setup and curious what others are doing
@24V_Queen that's a cracking setup — the Multiplus-II 24/3000 is doing some serious heavy lifting there! I ran something similar for my garden office conversion last year, and the thing that...
in Monitoring & System Design 4 months ago