Jackie Scott

Really solid foundation you've got there @ValleyTony — the Fogstar Drift is a cracking battery for the money.

I finally took the plunge and cut the extension lead from the house. Running a 400W solar setup on the roof of my 4x3m timber office — two 200W panels feeding into a Victron MPPT 75/15, then into...

@RhysGrant worth checking whether your BMS has a low-temperature cutoff — most lithium cells shouldn't be discharged below about 0°C, and a good BMS will disconnect to protect them.

I've got two 200W mono panels on the roof of my static, wired in series giving me a 24V nominal setup, running into a Victron SmartSolar 100/30 MPPT.

After two weeks of proper grey skies here in the Peak District, my 400W of panels produced almost nothing useful and I was genuinely struggling to keep the 100Ah lithium topped up enough to run...

Great thread, and @T6Dream makes a really important point about the flat voltage curve. Just wanted to add something nobody's touched on yet — your 2.0 TDI's alternator is probably rated around...