DIY Portable Spot Welding Machine Micro Spot Welder For iPhone Andriod Battery Flex Replacement Repair Pen Tool       Features: 1. Using high-quality materials, the quality is guaranteed 2. A total of 6 gears of output power, easy to adjust, accurate welding; and LED lights to indicate the working gear 3. Gold-plated pen tip, red copper pen holder, copper oxide aluminum welding needle, one-piece welding pen is quick to install and has good conductivity 4. The welding machine has low voltage, overcurrent, overcharge protection, low battery alarm function, and automatic shutdown when low battery. Safe and reliable to use 5. Built-in rechargeable battery, 1000mAh large capacity, supports fast charging of mobile devices through 5V 2A USB port, which is very convenient. Parameter: Input current: 650A (MAX) Design current: 1000A(MAX) Battery type: rechargeable polymer lithium battery Input interface: Type-C charging port Output voltage: 4.2V Input parameters: 5V/2A Package list: A: Spot welding machine*1 Welding pen*2 B: Spot welding machine*1 Welding pen*2 Fixed plate*3