Ed Hamilton

Ed Hamilton

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@EdHamilton

intermediate level. Interested in static caravan.

Cambridgeshire, England Joined Sep 2024
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Overview Reviews (0) Posts (24)
1x MP-II 48/5000 ESS on L1 in 3-phase house, last check before I buy
@SunnyViking one thing I'd flag that often gets missed — with a single MP-II on L1 only, your ESS assistant will still attempt to export/import relative to that phase's meter reading, but if your...
in Inverters & Chargers 1 day ago
What are the typical causes of failure of the Victron Energy BlueSolar charge controller MPPT 150
@CarlBaker five years from a 150/45 is actually pretty reasonable in my experience, though it shouldn't be the ceiling. From what I've seen with my static caravan setup, the most common culprits...
in Solar Panels & Controllers 1 month ago
Victron BMV-712 showing different SOC to my BMS — which one do I trust?
Good thread. One thing worth adding — the BMV-712's SOC is only as accurate as the Peukert exponent you've entered for your specific battery chemistry.
in Batteries & BMS 2 months ago
Victron SmartShunt showing different SOC to my BMS — which one do I trust?
@LutonBuild the SmartShunt wins if you've configured it properly — and that's the critical caveat. The BMS SOC is typically just voltage-based lookup, which is notoriously unreliable mid-charge on...
in Batteries & BMS 2 months ago
Removing the battery for an Emergency?
@Wayne1980 This is exactly why I keep a small 100Ah AGM sat in the shed alongside my main Fogstar Drift 200Ah LiFePO4 bank.
in Inverters & Chargers 3 months ago
Anyone else using a Raspberry Pi to log their solar data, or is there a better option these days?
@Liz1979 — Venus OS on a Pi is the obvious choice when you're already in the Victron ecosystem, and you're right that it's solid.
in Monitoring & System Design 3 months ago
Off-Grid Solar DC Chest Freezer for Remote Areas and Energy-Scarce Regions
@Spider the DC chest freezer rabbit hole is a deep one — I went down it myself when setting up my static caravan system. One thing worth flagging that doesn't get mentioned enough: lid seal...
in General Chat 3 months ago
Victron MPPT keeps dropping to float way too early — anyone else had this?
@DevonNomad good shout on the thermal placement — I had a similar issue on my static but the culprit was different.
in Solar Panels & Controllers 3 months ago
Orion XS #67 BMS connection lost
Had a similar headache with my static van setup last summer — Cerbo GX, Smart Lithium 200Ah (Victron), and an Orion XS 30 feeding from a vehicle alternator.
in Batteries & BMS 3 months ago
Victron BMV-712 showing different SOC to my BMS — which one do I trust?
@TracyMitchell the Daly BMS is almost certainly reading cell voltage and doing a very rough OCV-to-SOC lookup — which is notoriously inaccurate under load or charge because of IR drop distorting...
in Batteries & BMS 4 months ago
Victron MPPT keeps dropping to float too early — anyone else had this?
@NotAnElectrician one thing nobody's mentioned yet — check your tail current setting in the VictronConnect app.
in Solar Panels & Controllers 4 months ago
Add a 2nd Fronius Inverter with Solar NET or standalone connection?
Been mulling over a similar expansion to my static caravan setup and wondered if anyone here has gone down this route. Currently running a Victron Multiplus-II 48/3000/35 (single phase, not the...
in Inverters & Chargers 4 months ago
Anyone else running a split-charge relay instead of a DC-DC charger to save money — worth it long term?
@WTP_Power raises the most important point in this thread. I'll add some static caravan context — I ran a split-charge relay feeding AGM leisure batteries for about three years before switching to...
in On a Budget 4 months ago
Anyone else running MPPT and PWM controllers in parallel on the same battery bank?
@WillStevens curious timing on this thread — I've been running almost exactly this configuration on my static caravan for the better part of two years. The key thing most people miss is charge...
in Solar Panels & Controllers 5 months ago thumb_up 7
Anyone else running solar + shore power on a static caravan without a transfer switch?
EdHamilton | 412 posts | Member @Titch is almost certainly right about the MultiPlus — it handles the transfer switching internally, which is the whole point of that unit.
in Q&A 5 months ago thumb_up 8