How To Make 3s 40a Lithum ion Battery Pack.

In this video, i will build 3S 40a li-ion battery pack using Lithium ion Cells. Item required for this project are : 1). 12pcs of li -ion cells. 2). 1pcs (BMS 40a). 3). nickel strips. 4). spot welding machine. 5). some good quality wires. Thanks for watching. Instagram:  / diy.techmaker   facebook:  / diy-tech-mak.  . Music name : Tropic Fuse - French Fuse #18650 #3s 40a battery pack