DHJ6633 mini handheld Spot Welding Machine Handheld Portable Metal Convenient Spot Welding Tools for Soldering with battery set Description: Equipped with 3.7-4.2V battery, the discharge rates up to 65C, and the output capacity is about 300A, this handheld welding tool can provide you firm welding and it is convenient to charge. Precisely controlled by the MCU program and output through the MOS tube, you don't need to trigger the switch when using, this handheld spot welding tool is labor-saving and convenient to use, and it is portable. This handheld spot welding tool is made of metal and ABS. Its length is 20cm, its width is 6cm and its height is 3cm. It is suitable for soldering, repairing, DIY and so on. Item Name: Spot Welding Tools Material:ABS,Metal Batteries: 5000mAh Battery (Included) Wielding Thickness: 0.1-0.15mm Size:20cmx6cmx3cm/7.87inx2.36inx1.18in Notes: 1. Due to the light and screen setting difference, the item's color may be slightly different from the pictures. 2. Please allow slight dimension difference due to different manual measurement. 3. To operate this product, you need to have considerable electrical knowledge, do not short-circuit or reverse the electrode. 4. The copper ear of the black soldering pen is connected to the upper surface of the circuit board with M5 screws, and the copper ear of the red soldering pen is connected to the positive electrode of the battery (the back of the circuit board). 5. Fully charge through the USB cable after assembly (in order to ensure the durability of the battery, we set a lower charging current, the charging process is about 4 hours, the red light will be on when charging, and the light will turn green when it is fully charged). 6. After the battery is connected, the circuit board defaults to the on state and automatically shuts down after a delay of about 10 minutes. Press the switch to turn on and select the welding current intensity. 7. Each time you press the button, the switch will realize the following functions (di-low current, didi-medium current, dididi-high current, shutdown). Package Includes: 1 X Nickel Plate (80CM 0.1x7mm) 1 X USB Charging Cable 2 X Insulated Heat Shrinkable Tubes 2 X Red Copper Welding Pen (With 10AWG Wire) 1 X Circuit Board 1 X High Rate Battery