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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
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