What voltage settings are there?

Four power/voltage settings are available on a DubCharge battery, and they can be changed using the main button.

•  To turn ON/OFF a DubCharge battery, click the main button 5 times and you will see the voltage setting light blink 3 times. 
• When the battery is ON, click the main button 3 times for adjustable voltage. 
• We advise beginning with the lowest voltage setting (Blue).

• 2.5V (Blue)
• 3.0V (White)
• 3.5V (Purple)
• 4.0V (Yellow/Burnt Orange)