[Upgraded LCD Screen Spot Welder]Our DIY spot welding machine is newly designed with visible LCD Screen. This spot-welding machine can be used to spot-welding cylindrical lithium batteries, nickel-metal hydride batteries and cadmium nickel batteries 18650/26650/32650 and etc.. You can see the real-time temperature on the OLED display clearly.   [Quality Material]Adjustable spot welding machine is made of aluminum alloy material, welding machine surface is anodized, wear-resistant and beautiful, fire prevention and fall prevention. 2 mm thick pure copper strip, ultra-low internal resistance, increased over current capacity.   [10000mAh Battery & Power Bank Function]This mini spot welder built in 10000mAh high-rate rechargeable polymer lithium battery, can be fully charged within 3 hours. It can continuously weld thousands of points after being fully charged with max output 800A. And it can be also used as power bank when you need to charge.   [40cm Welding Pen & 30 Gears Adjustable] The spot-welding pen consists of multiple strands of high temperature wire with fine torsional resistance ability, making the operation more flexible. 7mm solid copper rod is with fine conductivity and low contact resistance, quickly detachment and easy carrying. This handheld spot welder with 70-speed output power adjustable, welding is more precise and the welding effect is more perfect.   [Intelligent and Safe]The portable spot welder own perfect over-charge, and over-temperature protection functions. When the temperature is higher than 60¡ã, portable welding machine will automatically stop working to avoid damage to personnel or items.      Specification:   Product model: Portable Spot Welder   Capacity: 10000mA   Product size: 15 x 8 x 3cm   The out current: 600-800A   The input interface: Type - C charging port   The input parameters: 5V/2A   Nickel strip thickness: 0.0 - 0.2 mm/ 0.008 Inch   The output voltage: 4.2 V (Max)   The battery type Rechargeable polymer lithium batteries   Colour: black   Material: aluminum alloy      Package Contents:   1 Set x Portable Spot Welder      Only the above package content, other products are not included.   Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.