- Reliable Spot Welder Design: This compact 12V adjustable spot welder is designed for versatility, supporting both 12V and 8V inputs through a copper ear or EC5 interface. It is compatible with various battery types, including high-performance lithium packs, ensuring broad usability. - Advanced Relay System: Equipped with a robust 2500A relay featuring gold contacts, this welder can handle up to 1500A of instantaneous current. This enhances durability and reliability, addressing the common failure issues seen in traditional systems under high pressure. - User-Friendly Control System: The welder offers effortless operation with stepless power adjustment and automatic time lapse features, streamlining the welding process. An indicator light provides real-time updates on the welder's status, keeping you informed. - Efficient Connections: Built with pure copper wire and secure screw connections, this welder minimizes contact resistance, maximizing efficiency during use. Use Scenarios: 1. Battery Pack Assembly: Ideal for assembling high-performance lithium battery packs where precise and reliable spot welding is crucial for performance. 2. Repair Work: Perfect for quick repairs on battery connections, ensuring a strong and reliable bond without the risk of overheating. 3. DIY Projects: Suitable for hobbyists and professionals working on custom battery solutions, providing the flexibility needed for various applications.