AWithZ Portable Spot Welder DIY Handheld Spot Welding Machine 90 Gears Adjustable Spot Welding for 18650 Lithium Battery

The AWithZ Portable Spot Welder delivers precise, professional-grade welds for 18650 lithium batteries with its 90-gear adjustable power control. This handheld machine provides consistent, high-current pulses up to 999W, ensuring strong nickel strip bonds without damaging sensitive battery cells. Its compact design offers workshop-level performance anywhere. Features and Benefits - 90-Gear Adjustable Power - Fine-tune welding current from 10-90% for perfect welds on different nickel strip thicknesses, preventing under or over-welding. - High-Efficiency Pulse Technology - Generates concentrated, instantaneous heat for deep penetration and secure bonds with minimal surface marking. - Digital Microcontroller & Safety Timer - Ensures precise, repeatable weld duration (1-99ms) for consistent results and automatic shutoff to prevent overheating. - Ergonomic Handheld Design - Enables comfortable, one-handed operation for intricate projects and access to tight spaces in battery packs. - Wide Input Voltage Range (12-24V DC) - Compatible with standard car batteries, power supplies, or large LiPo packs for flexible workshop or field use. Applications - DIY Powerwall & Battery Pack Assembly - Create reliable, high-capacity battery banks for solar storage, EVs, or power tools with series/parallel connections. - RC Hobby & Drone Battery Repair - Quickly replace damaged cells in lithium polymer packs for drones, planes, and high-performance RC vehicles. - Custom Flashlight & Power Bank Builds - Securely weld premium high-drain 18650 cells into custom configurations for high-lumen lights and portable chargers. - Small Electronics Prototyping & Repair - Assemble and repair battery packs for custom projects, laptops, and other portable electronic devices. Note: Always use appropriate personal protective equipment and test settings on scrap materials. For optimal results and cell safety, use pure nickel strip, not nickel-plated steel.