The thread burner is powered by a rechargeable 1,100mAh lithium battery that charges via USB-C. Depending on the voltage setting, it provides up to 30 minutes of continuous operation on a single charge. It fully recharges in approximately 2.5 hours. A convenient digital display shows both the voltage setting and the battery level.

Operating instruction:
- Quickly press the button 5 times to turn the device on or off.
- Quickly press the button 3 times to switch the voltage setting.
- Press and hold the button to heat the tip when the device is on.