[One-Handed Spot Welding Hands-Free, Double Your Efficiency]: The SH1 battery spot welder features an integrated ergonomic design, eliminating the need for a traditional soldering iron. You can weld small battery packs with one hand, improving DIY maintenance efficiency by 30%. (Compatible with cylindrical batteries such as 18650/26650/36650, mobile phone batteries, and other electronic devices requiring batteries.) [11-Level Adjustment Dual Modes for Various Scenarios]: The battery spot welder features a six-level welding indicator with real-time energy intensity feedback. The automatic mode intelligently matches mobile phone/Bluetooth battery cells, while the manual mode precisely controls the welding of small battery packs. 11 levels accurately adapt to 0.1-0.2mm nickel sheets, making spot welding quick and easy. [User-Friendly Design, Easy and Fast Operation]: The SH1 spot welder features an upgraded manual button: The manual button is positioned at thumb level, making manual welding easier and more precise. It's ideal for precise and detailed welding work. Long- the manual welding button to switch between manual and automatic modes at any time. It's DIY kits, needs to finish by yourself. Color: Black Material: Plastic+Metal Package Contents: 1 * welding machine 1 * 2-meter nickel-plated plate 1 * Type-C charging cable 1 * sandpaper 2 * spare soldering pins Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.