YXKY Spot Welder Pen for Battery Welding, blue

YXKY spot welding pen for battery welding machines, designed for welding nickel strips to Li-ion batteries such as 18650, 21700, and 26650 cells. Features adjustable probe spacing and replaceable spring pressure for convenient operation.

The welding handle uses copper contacts for stable current transfer and reliable welding performance. Suitable for battery pack assembly, repair, and DIY electronic components projects. Users often compare price, reviews, and compatibility before they buy spot welding accessories.

Technical Specifications:

• Brand: YXKY
• Type: spot welder pen / welding handle
• Application: battery spot welding
• Compatible batteries: 18650, 21700, 26650 and similar
• Electrode material: copper
• Adjustable probe spacing: yes
• Replaceable springs: yes
• Connection: DC plug cable
• Suitable for: nickel strip welding
• Use: battery pack assembly and repair