K99 12V Spot Welding Machine for Li-ion Batteries

K99 12V Spot Welding Machine for Li-ion Batteries — an accessible and effective spot welder designed for assembling and repairing lithium-ion battery packs. It’s ideal for welding nickel strips to 18650, 21700 and similar Li-ion cells, providing reliable and stable electrical connections.

This unit runs from a 12V DC power source such as a car battery or DC adapter, making it suitable for workshop or portable use without a mains outlet.

Features:

• 12V DC powered — compatible with car battery or 12V adapter

• Spot welding of nickel strips to battery cells

• Easy to operate for DIY battery assembly

• Portable and versatile

• No need for 220V mains power

Applications:

• Battery pack assembly and repair

• Power bank and e-scooter battery builds

• Electronic projects and hobby work

• Workshop & field use