Handheld Spot Welder – Portable, Versatile, and Easy to Use 1. Integrated Design – No separate spot welding pen required. This compact handheld spot welder combines the power supply and welding pen into a single unit, allowing you to weld anywhere without carrying extra equipment. for both home and onthego use. 2. Wide Compatibility – Designed to work with cylindrical batteries such as 18650, 26650, and 36650, as well as mobile phone batteries and other batterypowered electronic devices. Ideal for repairing electronics with damaged batteries, enabling you to battery cells and restore functionality to devices like cordless drills while saving money and reducing waste. 3. Simple Operation – Features just two clearly labeled buttons for fast, straightforward use. Operate without removing the device from your hand: hold the side power button for 2 seconds with your middle finger to turn on, use the gear adjustment button with your index finger to select settings, and hold for 2 seconds to switch between automatic and manual welding modes. 4. Adjustable Power – Eleven output settings allow precise adjustment for different welding materials. – Gears 13: suitable for mobile phone batteries – Gears 36: suitable for 0.1 mm nickel plates – Gears 611: suitable for 0.12–0.15 mm nickel plates A single charge delivers over 200 welding operations, ensuring efficiency and productivity. 5. Builtin Safety Features – Equipped with quality polymer cells and multiple protection systems, including overcharge protection, temperature protection, short circuit protection, abnormal temperature alarms, low voltage alarms, and an automatic welding shutoff function. Ultralow power consumption ensures longer standby times and reliable performance. Use Scenarios: – Quickly repairing a cordless drill battery to extend tool life. – Replacing mobile phone batteries to restore device functionality and avoid expensive replacements. – Building or maintaining battery packs for DIY electronics, ebikes, or portable power projects. Compact, durable, and designed for precision work, this handheld spot welder offers a convenient allinone solution for battery welding and electronic .