Product Description body { font-family: Arial, sans-serif; max-width: 600px; margin: auto; padding: 20px; line-height: 1.6; } h2 { color: #2c3e50; } p { margin: 10px 0; } ul { margin: 10px 0; padding-left: 20px; } Features User-friendly Design The Awithz H1 4.2V Handheld Spot Welder provides a straightforward interface featuring just two labeled buttons. Easily manage power and gear settings, turning welding into a simple task. Adjustable Gears With 11 different output power levels, customize the welding intensity to handle various materials. Perfect for mobile phone batteries and nickel plates of different thicknesses, offering over 200 welds per full charge. Multiple Protections Despite its compact size, this welder is powered by a high-quality polymer battery, ensuring safety with features like overcharge, temperature, and short-circuit protection, along with low battery alerts. Ease of Use This portable welder combines an integrated power supply and a soldering pen, allowing you to perform spot welding seamlessly without any additional equipment. Versatile Applications Compatible with cylindrical batteries like 18650/26650/36650 and various electronic devices, this welder is ideal for battery replacement and restoration, enhancing cost-effectiveness and sustainability. Specifications Brand Name: AWithZ Product Name: Battery spot welder Model: H1 Color: Black Output Voltage: 4.2V (Max) Output Current: 650A (Max) Gear Adjustment: 11-speed adjustment Charging Interface: Type-C Charging Parameters: 5V/1A (Max) Capacity: 1800mAh Object: Metal Product Size: 8.1 x 21 x 3.1 cm (3.19 x 8.27 x 1.22 inch) Package Included 1 x Micro Spot Welder 1 x Abrasive Paper 1 x 2 meters Nickel Roll 1 x Type-C Charging Cable