Juice up your portable vaping device with G. Dr. King 650mAh variable voltage battery. The 650mAh battery can easily heat up your favorite e-liquid or oil based cartridge in a snap. The battery features variable voltages up to 900VV. The battery is easy to operate, simply click five times to turn on or off. On the bottom to adjust the voltages, and click twice to set to preheat mode. The G Dr. King 650mAh Variable Voltage Battery includes a smart USB rapid charge and guarantees and authentic A+ battery. 

G Dr King 650mAh Variable Voltage Battery: Main Features & Specifications

• 650mAh Battery
• bottom adjust the voltages
• Variable Voltages 
• 900VV
• Authentic A+ Batteries