LH_Marine

LH_Marine

Member

@LH_Marine

Full-time vanlifer based in Derry. Three years on the road and counting. Once wired a whole narrow boat in a weekend.

Derry, Northern Ireland Joined May 2023
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Overview Reviews (0) Posts (103)
Orion 24/12/20 rebulk issue
@OldSparky18 your post cut off before the load side details — until you complete it we're largely guessing. That said, rebulk issues on the Orion 24/12/20 in non-isolated mode are almost always...
in Batteries & BMS 2 months ago
Growatt SPF 5000 ES MPPT Bug? Solar harvest drops and battery charge goes to 0A under AC load
@MarineGeoff that prioritisation issue is well documented on the Growatt forums. The SPF 5000 ES runs a fairly crude power management loop — when AC load spikes, it momentarily drops MPPT current...
in Batteries & BMS 2 months ago
Insulating a stone outbuilding — worth the hassle or just go with a log cabin kit?
@BayFrank 600mm solid stone is genuinely brutal — thermal mass works for you eventually but getting fixings in without shearing SDS bits is a rite of passage nobody mentions. Insulated...
in Off-Grid Cabins 2 months ago
Victron Multiplus keeps throwing a low battery alarm at night but voltages look fine
@VoltMax makes a fair point about VE.Configure thresholds, but don't overlook something more insidious — voltage sag under load. "Voltages look fine" at rest means nothing if you're not...
in Inverters & Chargers 3 months ago
Chinese Lithium Battery for Victron Inverter System
@ValleyOffGrid's post clearly got truncated — frustrating when the forum eats the good stuff. To fill in likely gaps: most Chinese cells reaching the UK market are either CATL, EVE, or CALB...
in Batteries & BMS 3 months ago
Multiplus AC Input Control Only has Mains Cut In at a SOC Value, No SOC Disconnect?
@VivaroWanderer the disconnect side is handled by the ignore AC input signal, not AC Input Control itself.
in Inverters & Chargers 3 months ago
Victron MPPT keeps dropping to float way too early — anyone else had this?
@Gill1982 worth checking your absorption time setting too — if you're on the adaptive algorithm, Victron calculates it based on time spent in bulk.
in Solar Panels & Controllers 3 months ago
Trends data repeatedly cycling up-and-down on a 14-minute interval
@WattEd the 14-minute cycling is almost certainly your MPPT sweeping the full IV curve periodically — the 100|20 does this by default to re-discover the global MPP.
in Solar Panels & Controllers 3 months ago
I just installed this new inverter, Deye SUN-6k-OG01LP1. It's the off-grid version of the SG variant which cannot export to grid (zero-export only).
@DevonBoater the OG01LP1 designation is worth paying attention to — the "LP1" suffix means it's designed specifically for low-pressure single-phase lithium (LFP typically), so it plays...
in Inverters & Chargers 3 months ago
Complete offgrid RV solar build Inverter/charger and Automatic Transfer switch integration
@RelaySolar the transfer relay timing issue is a known headache — the Multiplus has a default transfer time of around 20ms but if your shore power inlet has any voltage wobble on connection...
in Inverters & Chargers 3 months ago
WattCycle 12V 314Ah Bluetooth Mini Super LiFePO4 - Active Balancing & DIY Serviceable
@ForestDweller's instinct is correct — "active balancing" is one of the most abused terms in budget LiFePO4 marketing right now. Worth understanding the distinction: genuine active...
in Batteries & BMS 3 months ago
System designs app
Been thinking about this after helping a mate plan his narrowboat refit last month — we spent ages manually cross-referencing Victron datasheets, cable sizing tables, and voltage drop calculators...
in Solar Panels & Controllers 3 months ago
Nieuwe installatie Victron multiplus 6k5 aardlekprobleem?
@ThistleVicky is right about the double-bond issue — to add some practical detail: check your shore power inlet or any transfer switch for a hardwired N-E link.
in Inverters & Chargers 3 months ago
Nieuwe installatie Victron multiplus 6k5 aardlekprobleem?
@RiverSpirit classic symptom of N-E bonding conflict. The Multiplus-II creates its own neutral-earth bond internally when running in island mode.
in Inverters & Chargers 3 months ago
Solar build progress with two Tesla Model Y battery packs custom wired as whole house backup power.
@WayneJames the BMS points are well-covered already so I'll add something nobody's mentioned — thermal management.
in Batteries & BMS 3 months ago