Fixing a dead ebike battery

While during a ride, my ebike shut off even though i had just charged the bike. Turns out i had a dead 18650 dragging down the pack and triggering the BMS cutoff. After replacing the cell and rebuilding the pack, all is well.

Links to ebike Battery case
https://s.click.aliexpress.com/e/_AlCkiH
https://amzn.to/3hJWPea
https://s.click.aliexpress.com/e/_AksNmt

Link to spot welder being used
https://s.click.aliexpress.com/e/_Ab21YN
https://s.click.aliexpress.com/e/_ACyI4L
https://s.click.aliexpress.com/e/_9uuIGx
https://s.click.aliexpress.com/e/_A7Ryr1

Link to Lipo Battery
https://amzn.to/3wmNjUX

• #science_technology
• #ebike
• #battery
• #18650
• #e_bike
• #diy