Hand-held spot welder 11 speed adjustable DIY Portable spot welder Energy storage Welding 18650 lithium battery spot welder ,Heat Dissipation Efficiently

No need for additional soldering pen: integrated power supply and soldering pen in one, no need for additional soldering pen, carry with you, convenient for going out and home use Wide range of uses: suitable for cylindrical batteries such as 18650/26650/36650, mobile phone batteries and other electronic devices that require batteries, can repair electronic devices damaged by batteries, saving money and environmentally friendly Easy to operate: only two buttons, clearly marked, press and hold the side power switch for 2 seconds, press the top gear adjustment button, and press and hold for 2 seconds to adjust the automatic or manual mode 11 levels of adjustable power: with 11 levels of adjustable output power, which can be adjusted according to the welding material, more than 200 spot welding can be performed on a single charge Multiple protection measures: equipped with high-quality polymer batteries, with overcharge protection, temperature protection, short circuit protection, abnormal battery temperature alarm and spot welding shutdown function, low voltage alarm, ultra-low power consumption, long standby time