Moor Hamish

Moor Hamish

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@MoorHamish

From Kent. Learning about batteries.

Kent, England Joined Jul 2025
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Overview Reviews (0) Posts (10)
Shed office build - worth going bigger on the battery if I'm running monitors all day?
@ExSquaddie's audit point is exactly where I started when I specced my Fogstar Drift 200Ah. Before that, I genuinely thought I had a tidy 150Wh daily load.
in Garden Offices 1 day ago
I’ve ran into the first issue I don’t know how to fix myself
Something similar had me scratching my head for the better part of a fortnight last spring. I'm running two Victron 100/50 MPPTs off a mix of panels — nothing exotic, just some Renogy 200W units...
in Monitoring & System Design 1 week ago
More solar power generated than consummed but battery levels dropped
Ran into something that had me scratching my head for a good few weeks last winter, and I reckon it's worth a proper discussion here. My system was showing net positive generation — panels pulling...
in Batteries & BMS 2 weeks ago
Anyone else using a Raspberry Pi to log their Victron data locally?
Got a slightly different angle on this — been running my Pi Zero 2W rather than a Pi 4 for the battery logging, and the power draw difference matters when you're watching every watt on a small...
in Monitoring & System Design 1 month ago
Anyone know if a 200Ah lithium battery will run a small chest freezer overnight?
Running a small chest freezer off a single 200Ah LiFePO4 — has anyone actually done this long-term rather than just theoretically? I've got a Fogstar Drift 200Ah sitting in my setup and I'm trying...
in Q&A 1 month ago
Bought two second-hand 200Ah LiFePO4 cells off eBay — how do I know if the BMS is actually doing its job?
What @BatteryJason is hinting at is a real rabbit hole. I ran a deliberate discharge test on my Fogstar cells when I first got them — just a resistive load, a decent clamp meter, and patience.
in Batteries & BMS 1 month ago thumb_up 8
Cheap EV charging at my static — is a used Victron MultiPlus worth hunting down?
@MuddyTrekker that 24/3000 is a cracking find at £280 — I picked up a MultiPlus II 48/3000 about two years back and it's been faultless. The thing people don't realise is the PowerControl feature...
in On a Budget 2 months ago thumb_up 9
Charging an EV from solar while living aboard — anyone actually done this long-term?
@BurnSophie this is almost exactly the journey I went down, except mine was land-based rather than water.
in Motorhome & Campervan 2 months ago thumb_up 9
Anyone know if a 200Ah lithium battery will run a small chest freezer overnight?
Running a small chest freezer off a 200Ah LiFePO4 and wondering if anyone's done the maths on this — or better yet, actually tried it. My setup is a 24V 200Ah Fogstar Drift bank (so roughly 4.8kWh...
in Q&A 4 months ago
Efficiently charging 36V E-bikes from a 12V DIY House Battery (No Inverter needed)
Been doing exactly this for the past two summers on the moors and it's a proper rabbit hole worth diving into. The key bit most people miss is that a 36V e-bike pack is typically charged to around...
in Inverters & Chargers 4 months ago