Boat Gemma

Boat Gemma

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@BoatGemma

boat enthusiast from Anglesey.

Anglesey, Wales Joined Dec 2024
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Overview Reviews (0) Posts (12)
Firmware v1.74 MPPT pause breaking dynamic script control loops
Been having a strange one with my setup on the boat and wondering if anyone else has hit this. Running a couple of Victron SmartSolar MPPT 100/20s on the cabin roof, tied into a Cerbo GX and...
in Solar Panels & Controllers 1 month ago
Narrowboat 12v system keeps tripping after running the inverter — any ideas?
Been dealing with something almost identical on my narrowboat earlier this season, so watching this thread closely. Mine turned out to be a combination of issues — undersized cable runs between...
in Marine & Boat 1 month ago
Calcul courant CC incohérent suite erreur sur Phoenix Inverter 12V 500VA 230V
Has anyone else noticed wonky DC current readings after a fault on a Phoenix Inverter? Running a Victron Phoenix 12V 375VA on my boat (narrowboat, continuous liveaboard), paired with a Cerbo GX on...
in Inverters & Chargers 3 months ago
Struggling to get accurate SOC readings from my Victron BMV-712 — is my shunt wired wrong?
BoatGemma | 34 posts On my boat setup I found the charged voltage threshold was the sneaky culprit — the default setting assumes lead-acid voltage curves.
in Q&A 4 months ago
Anyone else using second-hand leisure batteries to cut costs on a small off-grid build?
Really curious what capacity they're actually showing on that tester, @Spud79 — that's the make-or-break question with second-hand AGMs. I picked up a couple of used batteries for my boat last...
in On a Budget 4 months ago thumb_up 2
Anyone else running Fogstar Drift LiFePO4 in a shepherd's hut through winter — how's yours holding up?
Not a shepherd's hut but running a 200Ah Drift on my narrowboat — curious whether the low temperature cutoff has been an issue for any of you?
in Q&A 4 months ago
Anyone else running a small wood burner alongside solar in a cabin? Struggling to manage condensation
Really interesting thread — I deal with condensation constantly on the boat so I know the pain, though the causes are slightly different. One thing that's helped me massively is positioning a...
in Off-Grid Cabins 4 months ago thumb_up 2
Anyone else find 12V vs 24V decisions genuinely confusing when starting out?
@DevonCamper boat life forced me into this decision pretty early on — marine stuff is overwhelmingly 12V so switching everything over felt like a nightmare, which kept me at 12V even with longer...
in General Chat 6 months ago thumb_up 1
Why is my MPPT not reaching full power?
@MarshLover - hang on, have you actually checked what voltage your array's running at under load? I ask because on my narrowboat setup, I was getting similar ceiling issues and it turned out my...
in Q&A 1 year ago thumb_up 4
Why is my MPPT not reaching full power?
@MarshLover - yeah, that's the issue right there. Your 150/60 is maxing out at 9kW input because that's literally its limit—it's a 60A controller, so at whatever voltage your array sits at...
in Q&A 1 year ago thumb_up 2
How to size your battery bank for off-grid
What's your experience with seasonal variation, @PeakVanLifer? I'm on a narrowboat and my winter consumption's probably double summer — solar's dire December through February.
in Batteries & BMS 1 year ago thumb_up 1
Selling: Renogy DCC50S — upgraded to Victron
Interested in this — how does the DC input voltage range perform when you've got a dodgy alternator output?
in For Sale 1 year ago thumb_up 3