Ebike Battery 2 REBUILD

This is a rebuild for an ebike battery that had Lead Acid motocycle batteries instead of lithium ion ones which are generally used for ebike and with electric motor controllers.

To get the material or tools featured in this build, please check links bellow:

T12 soldering station : https://s.click.aliexpress.com/e/_Del...
LiitoKala Lii 500 tester : https://s.click.aliexpress.com/e/_Dd3...
10s BMS : https://s.click.aliexpress.com/e/_DEs...
18650s : https://s.click.aliexpress.com/e/_Dk5...
Spot welder : https://s.click.aliexpress.com/e/_DCM...
Nickel strips : https://s.click.aliexpress.com/e/_Dd6...
Solder : https://s.click.aliexpress.com/e/_Dlz...
Flux : https://s.click.aliexpress.com/e/_DdW...
Hot Glue gun : https://s.click.aliexpress.com/e/_Dl2...
Heat shrinking tubes : https://s.click.aliexpress.com/e/_DFX...
mini angle grinder : https://s.click.aliexpress.com/e/_De8...
cordless rotary tool : https://s.click.aliexpress.com/e/_DkG...