Lead-Acid Battery Version 12V Digital Display DIY Battery Spot Welding Machine Pen Control, Style:6 Square Pen With Case

The Lead-Acid Battery Version 12V Digital Display DIY Battery Spot Welding Machine Pen Control is designed for spot welding nickel plating sheets and battery connections. It is compatible with various lithium cylindrical batteries including 14650, 17490, 18650, 21700, 26650, and 32650.

• Welding capability: 0.05-0.3 mm nickel plating sheet, iron sheet, stainless steel sheet
• Pen style: 6 square pen
• Power output: 99 adjustable output power settings
• Maximum current: 2390A using 5 MOS transistors
• Welding method: high current and high temperature melting principle
• Included components: two copper bars for increased over-current capacity
• Display type: digital tube display
• Power supply: old lead-acid battery 12V20AH-100AH (new battery max 45AH)
• Battery lifespan: 20AH old lead-acid battery max 1 year
• Capacitor requirement: 4-5 super-faraday capacitors
• Control board operating voltage: 9-16V
• Control board operating current: 90-180A
• Prohibited power sources: switching power supply, transformer, charger, water battery, charging treasure, power supply spot welding machine