18650 Battery Special Spot Welding Machine Circuit Board for Farad Capacitor with Pen

Feature Capacitance requirements 2 8V 3000F X2Charging voltage 5 5 6V current 2 20AThis product does not contain farad capacitors and the circuit does not contain charging control so the customer solves the capacitor charging problem by yourself This product is suitable for connection with 2 series farad capacitors 2 8V 2 8V A single capacity of 3000F or more is recommended The circuit depends on the single chip microcomputer program for precise control and is divided into 5 power levels It automatically detects the contact resistance of the welding pen automatically triggers passes 300A power tube X4 parallel output no problem welding 0 15 nickel sheet Package includes 1 xSpot Welding Machine Circuit Board