<p><strong><span style="font-size:20px">Features:</span></strong> </p><p>1.2in-1 lightweight design: The welding machine and welding pen are designed as one unit, bidding farewell to the traditional bulky and separate type, and allowing for flexible and easy welding with one hand. </p><p>2.Built in intelligent chip: Equipped with industrial grade temperature sensors and safety chips, the sensors monitor in real-time, power off in milliseconds for abnormal situations, and automatically adjust current overload to ensure worry free welding. </p><p>3.Dual mode: Automatic/manual dual mode, welding is freely controlled, dual pulse millisecond welding, and the welding points are firm without virtual welding. </p><p>4.Adjustable welding needle spacing: After loosening the fixing screw of the welding needle, move the welding needle up and down to adjust the spacing, which can be freely set between 0.5-3mm. </p><p>5.Wide range of applications: Widely used in cylindrical batteries such as 18650/26650/36650, spot welding of mobile phone batteries, spot welding of button batteries, manual diy splicing and assembly, electronic and electrical equipment maintenance, hardware equipment maintenance and reinforcement, etc. </p><p> </p><p><strong><span style="font-size:20px">Parameters: </span></strong> </p><p>Product name: small portable spot welding machine </p><p>Model: sh1 gear adjustment: 11 adjustable gears </p><p>Model: sh2 gear adjustment: 90 gears adjustable </p><p>Spot welding mode: manual/automatic </p><p>Input interface: type-c </p><p>Output voltage: 4.2v </p><p>Input voltage: 5v/2.1a </p><p>Battery capacity: 1800mah </p><p>Built in battery: rechargeable lithium battery </p><p>Dual pulse output: supports </p><p>Temperature control protection: supports </p><p>Welding needle disassembly: supported </p><p>Welding distance adjustment: supported </p><p> </p><p><strong><span style="font-size:20px">Package include:</span></strong> </p><p>Spot welding machine (including welding needle)*1 </p><p>Charging cable*1 </p><p>Nickel sheet*1 </p><p>Matte paper*1</p><p></p>