Features: - With a display, easy to read and convenient to use. You can clearly see the real-time temperature on the display. - You can set 70 gears, precise and adjustable, used for spot welding cylindrical lithium battery, nickel-metal hydride battery and cadmium-nickel battery, such as 18650, 26650, 32650, etc. - Equipped with a high-quality battery capacity, it only takes 3 hours to fully charge. In an emergency, it can also be used as a power bank. - Easy to use, flexible and convenient to use with the welding pen, with good conductivity and low resistance, quick detachable and easy to carry. - Supports overcharge, overheat and over-temperature protection, safe and reliable. Specifications: Color: As shown Material: ABS Battery capacity: 7500mAh Charging time: 3 hours Suitable for: weld seam for 0.1-0.2mm nickel plate and 0.1-0.15mm stainless steel plate Output: Maximum 650A Gears: 70 gears adjustable Welding pen length: 40 cm Used for: spot welding of cylindrical lithium battery, nickel-metal hydride battery and cadmium-nickel battery such as 18650, 26650, 32650, etc. Delivery content: 1 x Mini Spot Welder 2 x welding pins 1 * Blade 1 * USB Cable 1 x roll of nickel sheet 1 * User Manual