Experience precise and efficient battery welding with this Portable Battery Spot Welder, designed for professional and DIY use. Crafted with durable ABS material, this handheld spot welder features a built-in 3000mAh lithium cell battery and a 1.33-inch TFT color display screen for easy operation and monitoring. Delivering a powerful 4.2V output voltage and up to 800A output current, it supports 99 adjustable power levels and offers both manual and automatic dual modes, allowing you to tailor the welding process to your specific needs. Key Features: · **Portable and Handheld Design:** Combines the power supply and welding pen into one compact unit, making it easy to carry and operate without external accessories. · **High Power and Precision:** With 99 adjustable power gears and dual pulse design, it provides strong output and firm welds, ensuring seamless and rounded solder joints for improved work efficiency. · **Versatile Welding Capability:** Suitable for welding nickel plating sheets from 0.10mm to 0.25mm thickness, ideal for 26650 and 36650 cylindrical batteries, mobile phone batteries, and other electronic device battery repairs or replacements. · **Detachable Soldering Pin:** Enables quick and convenient operation, making the welding process more flexible and user-friendly. · **Built-in Rechargeable Battery:** Equipped with a 3000mAh lithium battery and a 5V 1A charging input, allowing cordless operation and enhanced portability. · **Clear TFT Color Display:** The 1.33-inch screen provides real-time status updates and settings adjustments for better control and ease of use. Specifications: · Product Material: ABS · Display Screen: 1.33 inch TFT Color Screen · Battery: Built-in Lithium Cell 3000mAh · Output Voltage: 4.2V · Output Current: 800A · Charging Input: 5V 1A · Power Levels: 99 Gears (Manual and Automatic Modes) Package Includes: · 1 x Portable Battery Spot Welder This Portable Battery Spot Welder is the perfect tool for anyone needing reliable, accurate, and efficient battery welding. Its versatile power settings and ergonomic design make it suitable for a wide range of battery types and electronic repairs, delivering professional results with ease and convenience.