Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si Suitable for 14650, 17490, 18650, 21700, 26650, 32650 and other cylindrical lithium batteries, metal hydride batteries, etc., all of which can be firmly spot welded. Support 0.1-0.3mm sheet spot welding. Two-sided outgoing wires are convenient for spot welding, and the are marked, so it is not easy to make mistakes. 99 levels of power adjustment Digital tube real-time gear display, gears 0-99, 1st gear is the lowest, 99 gears is the highest When using, increase the gears in turn. The spot welding machine control board uses 5 MOS tubes, and after 5 parallel connections, the theoretical maximum current can reach about 1700A. 8 square spot welding pen, 10AWG wire, aluminum oxide copper spot welding needle, the over-current capacity and durability, and greatly the spot welding efficiency. Product name: K99 spot welding machine Working voltage: 6.5V-16V Working current: Less than 20ma Standby power consumption: Less than 0.5ma Recommended operating temperature: -10-60C Voltage: 12V Welding current: 1700A MAX Welding sheet thickness: 0.1-0.3mm (related to battery discharge energy) Capacity: 20AH-80AH (new battery does not the capacity of 45AH, over 45AH, please contact customer service to inquire about the current limiting ) or: 4-5 strings of super capacitors : Do not use switching power supplies, , chargers, water batteries, and charging for power supply! color:Purple Material:PCB size:90 x 60mm Package Contents: 1 x Control Panel 1 x Sheet 2 x Acrylic Sheet 2 x Spot Welding Pen 2 x Connection Cable 2 x Heat Shrinkable Sleeve 3 x Caps 4 x Nuts 8 x Copper Column 12 x Screw Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.