Blowlamps -12V Battery Spot Welding Circuit Board For RC Airplane Welder Board Highlights generic brand 12V Battery Spot Welding Circuit Board For RC Airplane Welder Board Description: Use this circuit board to work with 12V battery, it can become an energy storage spot welding solution for welding nickel parts such as lithium batteries and nickel-chromium batteries. And the welding thickness is between 0.1mm and 0.15mm according to different configurations, for welding 18650/26650/32650, etc. Equipped with mode switch key, which can switch mode, each mode is different welding time. Lightweight and portable, stable and reliable, wear-resistant, and can provide a long service time. The spot welding pen is made of silicone wire and copper soldering pen, safe and can provide stable performance. Specification: Material: Metal The LED is red/green/blue/white/yellow/pink/purple, 7 modes, the shortest time is red led and the longest time is purple. Long press to set the waiting time, the default is 3 seconds, and the maximum can be set to 10 seconds. Current requirements: 150A or more instantaneous output (such as car starter power supply, high-power 3S RC battery, 20A lead-acid battery with performance above 20A). Size Chart: Welder board size: 3x8cm / 1.18x3.15inch Welder pen length: 350mm / 13.78 inch Welding nickel parts Length: 10m / 393.7 inch Package includes: Welder board 1 pcs or 2 pcs Spot Welding Pen or 1 pcs Roller Welding Nickel (as your choice) Note: Color may be different for different display, please understand Pls allow 1-3mm error due to hand, thank you