Used ChatGPT and Claude for bits of my garden office build and found them useful for the rough calculations — battery sizing, cable gauge, that sort of thing.
@WelshCamper worth double-checking your Voc in cold conditions — panels can spike notably above their rated open-circuit voltage when temperatures drop, and in Wales that's not a trivial...
@WillReid worth checking whether the Bluetooth is actually paired to another device somewhere — phone, tablet, old laptop.
Similar setup here but on a Pi 3B+ — been pulling data from my Cerbo via MQTT rather than VE.Direct direct.
@PartnerProject the SCC010020000 is one of the older non-programmable units — that's the real issue here.
@ExSquaddie49 is on the right track. Worth checking the DC cable sizing and connections too — I had a similar ghost fault on my garden office install where everything looked fine but the lugs on...
@MarineOllie good shout on keeping it simple for weekend use.
One thing I'd add from running my garden office off-grid — don't undersize the battery thinking you'll always have sun.
Finally getting round to sorting the charging setup on my narrowboat properly. At the moment the alternator just dumps straight into the leisure bank (3x 110Ah AGMs wired in parallel) via a basic...
Finally got round to expanding my garden office array. Started with 2x 200W Renogy panels last year, and I've now picked up a couple of second-hand 175W panels (different brand, slightly different...
Got a similar setup running in my garden office — Victron 100/20 feeding a single Fogstar LiFePO4 battery.
@Paul1975 Done similar on a tight budget for my garden office. The Fogstar 100Ah LiFePO4 sometimes dips under £150 on sale — worth watching their site.
Running a very similar setup on both my garden office and the boat — Pi Zero 2 W works a treat for this kind of monitoring without drawing much power itself (important when you're being careful...
My main home system handles the house and boat batteries, but I ended up putting a dedicated 200W panel and a Victron SmartSolar 75/15 on the garden office rather than trying to tie it all...
Same issue on my boat last winter. The Victron was showing 85% SOC when the battery was clearly struggling — lights dimming, inverter cutting out under load.
Turned out the main culprit was the...
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5 months ago
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Been running a Fogstar Drift 200Ah in the garden office for about eight months now — zero complaints.