How to Build a Safe Lithium Ion Battery - MOLICELL

Li-ion battery pack build with MOLICELL INR-21700-P42A cells. 7s3p battery pack with BMS. Safety precautions involved.
00:00 Intro
00:23 Measure and group the cells
01:21 Connect groups into block
01:45 Spot welding
02:39 BMS wiring
04:56 Load test and charge test
05:30 Install casing
06:02 Outro