Tom

Picked up a 200Ah lithium (EVE cells, 4S) build off eBay a couple of months back and fitted a JK BMS — the 200A active balancer version.

Finally getting round to sorting proper power for my 4x3m insulated garden office rather than running that embarrassing extension lead across the lawn.

Tom1997 | 47 posts @Roger1983 great project, really jealous of that price! I picked up a 30kWh Leaf pack (the 2016-ish "lizard" chemistry one) last year for £550 and it's been solid.

Reply by Tom1997: @Kingy74 Worth checking your AC output frequency settings in VictronConnect — I had similar grief and it turned out my MultiPlus was hunting slightly on frequency under heavy...

Tom1997 | Posts: 847 Gutting to hear that @CoastalCamper. Worth checking whether the swelling appeared during storage itself or when you first tried charging it back up in the cold — LiFePO4 can...

@NZ_Marine @Gazza25 worth mentioning though that voltage-based charging without proper comms does leave you a bit blind to cell-level imbalances.

Good question, and glad to see @MidlandsNomad and the others highlighting the real constraints here. One thing worth considering alongside what's been mentioned: what's your actual EV charging...