510 Thread Battery Unit (Rechargeable)

The Willo-perfect unity of aesthetic and technology!

Product Description:

510 Thread

650mAh Large Battery Capacity

Smart Circuit board with Overheat Protection

Usage Instructions:

THREE (3) Working Voltage Options:

3.4V

3.7V

4.0V

Click the button 3x to change the voltage. You will see a corresponding light flashes 3 times when voltage is changing

Click 5x to power device on or off.

Charging instructions:

Charges through Micro-USB

Please note: *Charging cable is included.

Caution: keep out of reach of children.