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Brass Knuckles battery offers a vape pen that's the perfect size and power for your oil cartridges. Vape in style with this attractive and convenient battery that has adjustable voltages. This allows the user to vape their cartridges in 3 different heat settings, along with an elective preheat function. Also, unlike other vape pen batteries, the Brass Knuckles pen recharges with a convenient pass-through micro-USB charger.
Brass Knuckles Battery Features:
Battery Capacity: 900mAh or 650mAH
Turn On/Off: Press the button 5 times quickly.
Adjust Voltage: Press the button 3 times quickly.
Variable Voltage: 3.2V Green Light | 3.7V Blue Light | 4.2V Red Light
Preheat Function (2.0V): Press the button 2 times quickly.
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