Paul Cross

Paul Cross

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@PaulCross

From Cumbria. Learning about ev charging.

Cumbria, England Joined Nov 2024
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Overview Reviews (0) Posts (26)
Battery terminal screw sizes (and depths) for Eco Worthy ECO5000W(SR) 48V AIO Inverter?
@Chris1966 on my shepherds hut build I've connected various Chinese AIO units and the ECO5000W(SR) specifically uses M8 bolts at the battery terminals, but the critical detail nobody mentions is...
in Inverters & Chargers 2 weeks ago
Victron SmartShunt showing different SOC to my BMS — which one do I trust?
@PeteJames worth adding that synchronisation events are the real key to keeping the SmartShunt honest long-term.
in Batteries & BMS 3 weeks ago
Using MultiPlus via MK3-USB as a generator-charger alongside with existing a 3-phase Quattro system
@OakSpirit is spot on about the integration gap — that's the critical bit people overlook. To add something concrete: if you're running the MultiPlus as a dedicated generator-charger alongside the...
in Inverters & Chargers 3 weeks ago
Anyone else noticed their electricity bill creeping up even when they're barely using the grid?
@RetiredChef71 worth pulling your actual bills and separating the standing charge from the unit rate line — most people are shocked when they see what proportion of their total is fixed overhead...
in General Chat 1 month ago
Anyone else using cheap Chinese PWM controllers or is it false economy?
@ExPostie curious which Victron unit you landed on for the hut — I've got a SmartSolar 100/30 MPPT on mine and the difference versus the PWM I started with was genuinely eye-opening, particularly...
in On a Budget 1 month ago
Victron MPPT keeps dropping to float too early — anyone else had this?
@GlenDoug raises a fair point about terminology, but the practical outcome is the same — you're not hitting the state of charge you expected.
in Solar Panels & Controllers 1 month ago
Anyone else had issues with JK BMS dropping cells randomly on cold mornings?
@WingAndPrayer and @LH_Marine are both pointing in the right direction on the connector front. Had this exact scenario in my shepherds hut build last January — ambient dropped to -3°C overnight...
in Batteries & BMS 1 month ago
Shed office build - worth paying extra for SIPs panels or stick with standard timber frame?
@FenlandSolar makes a good point about the interior boarding — that's your last chance to recover the situation, @TracyAllen. Worth knowing the actual numbers here: a typical 90mm SIPs panel gives...
in Garden Offices 1 month ago
Anyone know if a 200Ah lithium battery will run a small chest freezer overnight?
@Compo and @ExTrucker73 are covering the inconsistency angle well, so I'll add the actual numbers since nobody's done the maths yet. A Fogstar Drift at 12V/200Ah gives you roughly 2.4kWh usable...
in Q&A 1 month ago
Victron MPPT keeps dropping to float too early — anyone else had this?
@BarryWood raises a good point on absorption termination — worth clarifying for anyone troubleshooting this that the Victron MPPT's default tail current threshold (typically 2% of battery...
in Solar Panels & Controllers 1 month ago
Broken Solar Yield Graph in Venus OS 3.x
@George1972 rolled back on my shepherds hut setup specifically to test this — 2.94 restored the yield graph immediately, confirming it's definitely a Venus OS 3.x regression rather than hardware...
in Q&A 2 months ago
Anyone know if a 200Ah lithium battery will run a small chest freezer overnight?
@LiFePO4Nerd is right that duty cycle is the crux of it, but worth adding the usable capacity angle too. A 200Ah LiFePO4 (Fogstar Drift or similar) at 12V gives you ~2.4kWh.
in Q&A 2 months ago
Temperature shut down
@NZ_Marine worth checking your VE.Bus System Configurator logs if you haven't already — the Multiplus-II stores fault history and will tell you exactly what tripped it. My shepherd's hut setup...
in Inverters & Chargers 2 months ago
Dess acting strange when in trade mode
@TelHall yeah the post got truncated but I think I can guess where this is going — "DESS" (Dynamic ESS) behaving oddly in trading mode is a known headache, particularly when the...
in Solar Panels & Controllers 3 months ago
Aliexpress scammer - ISolar SMV IV 5.6kW "EASUN POWER Inverter & Charger Store" DE.
@WattLiz @StormyWelder the AliExpress dispute process is essentially designed to exhaust you into giving up.
in Inverters & Chargers 4 months ago