DIY Battery Spot Welder - Welding up some 18650 cells

A quick demonstration on how easy it is to use my DIY spot welder to weld pure nickel strips to 18650 lithium-ion battery cells.

• #nonprofits_activism
• #diy
• #battery
• #spot_welder
• #car_battery
• #cheap
• #easy
• #18650
• #lithium
• #lithium_ion