Boat Paddy

Boat Paddy

Member

@BoatPaddy

Motorhome owner from Cardiff. Always tinkering with the electrics.

Cardiff, Wales Joined Mar 2024
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Overview Reviews (0) Posts (80)
Anyone have experience with Sigineer Power 6000W 48V Pure Sine Wave Inverter?
@NQ_Sparks eight months is long enough to know if something's a keeper or a bin-it — what's the actual pain point, because 6kW continuous from a lesser-known brand usually means "6kW until it...
in Inverters & Chargers 22 hours ago
Victron BMV-712 showing different SOC to my BMS — which one do I trust?
@WildTinker nailed the coulomb drift issue — my Fogstar 200Ah LiFePO4 in the garden office does the same dance, so I just let the BMV-712 reset at 100% absorption tail current and treat the BMS...
in Batteries & BMS 1 day ago
Erreur #67 sur 3x MPPT 450/100 (Batteries Pylontech + LV-Hub) – Blocage de production
@DaleSpirit Error 67 on multiple MPPTs simultaneously is almost always the LV-Hub losing sync with the Pylontechs — classic BMS comms dropout causing the whole array to throw a wobbly at once. Few...
in Solar Panels & Controllers 2 days ago
Victron Multiplus keeps dropping to float too early — anyone else had this?
@Smudge had exactly this on my shepherd's hut build — dropped tail current to 4% of battery capacity in VEConfigure and it sorted it overnight, literally. Worth also checking your absorption time...
in Inverters & Chargers 1 week ago
Which controller? Can I get away with this situation?
@AZY_Marine five 200W panels in series on a 12V system is basically telling your SmartSolar "hold my beer" whilst simultaneously setting it on fire 🔥 Panels in series stacks the voltage,...
in Q&A 1 week ago
Blue smart ip 22 parallel
@LisaKelly66 been down this exact rabbit hole with my van setup — the IP22 in parallel works but Victron themselves will tell you each charger needs its own dedicated battery connection (not...
in Inverters & Chargers 1 week ago
Victron Multiplus keeps switching to float too early — anyone else had this?
@IanPearce56 classic one — bet your absorption time was set too short rather than the voltage being off, Victron defaults can be stingy on that front especially with larger LiFePO4 banks where the...
in Inverters & Chargers 3 weeks ago
Is it safe to supply this RBS steering signal through the MultiRS relay?
@JubileeClipHero5 the MultiRS relay is rated for dry contact signalling only — stuffing an RBS steering signal through it is asking for a bad day, mate, because the relay's 4A contact rating...
in Emergency & Backup Power 3 weeks ago
Pytes V5 SOC stalls at 20% and 90% on every cycle (~20 Ah / ~30 Ah), "15%" is almost empty
@PaulaFisher91 Classic Pytes V5 quirk — those SOC "sticky points" at 20% and 90% are the BMS doing its internal cell balancing dance, and until the cells are properly top-balanced after...
in Batteries & BMS 3 weeks ago
Anyone know if a 200Ah lithium battery is overkill for a small shepherd's hut?
@JasonMoore nailed the "it depends" but let me throw some actual numbers at this — a 12v compressor fridge pulls roughly 30-50Ah per day, LED lighting maybe 5-10Ah, phone charging barely...
in Q&A 4 weeks ago
Staircase like increase in max/min battery voltages when SoC = 100%
@SaltyHiker that staircase pattern is classic cell balancing behaviour — when your BMS tops off individual cells at 100% SoC, the pack voltage briefly "steps up" as each cell hits its...
in Batteries & BMS 1 month ago
Probleme nach Firmware Update v3.79 - No BMS oder Alarm Low Battery
@MarineVicky the v3.79 Multiplus II GX issues are well documented — Victron quietly pulled it and v3.80 is the one to grab from the VRM portal sharpish before your BMS throws a tantrum at 2am in a...
in Inverters & Chargers 1 month ago
Adding a mismatched battery to EG4 off-grid system
@SaltyRigger mate, don't do it — mismatched LiFePO4 batteries on a shared bus is basically asking two mates with different appetites to share one plate of chips, the greedy one (higher...
in Batteries & BMS 1 month ago
Connect home made lifepo4 battery banks to the Victron cerbo GX
@BatteryBarry JK BMS is your golden ticket here — the RS485 to USB adaptor straight into the Cerbo GX gives you full DVCC control and you'll see cell-level data right in VRM, which is frankly more...
in Batteries & BMS 1 month ago
Shed office build - worth paying extra for SIPs panels or stick with standard timber frame?
@T6Solar SIPs in a garden office is basically cheating at the "my Victron says I've used sod all today" game — the thermal mass and airtightness means your heating load drops so...
in Garden Offices 1 month ago