Portable Battery Spot Welder with Integrated Welding Pen and Adjustable Power Settings Designed for reliable and efficient spot welding, this compact tool combines advanced functionality, durable construction, and userfriendly features to deliver professional results wherever you work. Key Features: Equipped with a capacity 2200mAh lithium battery for longlasting operation, reducing the need for frequent recharging. Clear 1.33inch TFT color display for easy monitoring of output power, battery level, and settings at a glance. Sturdy aluminum alloy body provides durability and resistance to wear, ensuring a long service life in demanding work environments. Builtin rechargeable battery and integrated welding pen design eliminate the need for an external welding pen, making the tool more portable and convenient. Timed shutdown function helps conserve battery life and ensures safe operation. Realtime battery status monitoring allows you to plan your tasks without interruptions. Performance and Adjustability: 11 adjustable output power levels to match different welding requirements and materials. Levels 1–3: Ideal for mobile phone batteries. Levels 3–6: Optimized for 0.1mm nickel plates. Levels 6–11: Suitable for 0.12mm to 0.15mm nickel plates. Capable of performing more than 200 spot welds on a full charge, offering efficiency for extended work sessions. Compatibility: Designed for cylindrical batteries such as 18650, 26650, and 36650. Suitable for mobile phone batteries as well as various other battery types. Practical Applications: 1. Battery pack assembly and for electronics, power tools, and hobby projects. 2. Onsite maintenance of mobile phone batteries without reliance on external welding equipment. 3. DIY battery projects requiring precision welding of nickel strips to cylindrical cells. This portable spot welder combines the convenience of cordless operation with professionalgrade performance, making it a practical choice for technicians, makers, and enthusiasts who need dependable welding capability in a compact, efficient design.