- hundreds of laptop batteries
- 42 packs a 48 cells to a total of 2016 cells, 14 packs in a row, 3 parallel (14s3p configuration) for 51.8V
- 50m copper busbar (10x1mm)
- 7m copper connector bar (10x5mm)
- 4032 cell holders for 18650
- 30m fuse wire (0.2mm), 30m copper wire (0.6mm)
- ~1kg solder
- lot's of time...
Pack of 48 cells:
Powerwall:
Full installation with SMA Sunny Island 3.0H battery inverter and REC BMS: