The Happy Stick premium battery and case provides convenient storage and power. With its multiple voltage settings, this premium battery offers three different levels of intensity. View how to use the Happy Stick below:

1. Press the button 5 times to turn the battery on and off.

2. Press the button 2 times to pre-heat the coils. This will prolong coil as well as help on cold days.

3. Press the button 3 times to change the power level

Green = 3.6 Volts, Blue = 3.8 Volts, Red = 4.0 Volts