BRASS KNUCKLES 900MAH BATTERY – 510 THREAD VARIABLE VOLTAGE

Brass Knuckles vape mod battery features 900mAh capacity with variable voltage and Preheat mode. Brass Knuckles battery works as basic vape pen battery with variable voltage and single button operation settings: 5-clicks will turn on or off the battery, 2-clicks will activate the Preheat mode for 10 seconds and 3-clicks will switch the voltage