VERTEX battery 350mAh Push Button Variable Voltage Battery 510 Cartridge

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  • Regular price $5.99


Button Pen - Press button for on/off, preheat and volt adjustment.On/Off - Press button 5 times for on/off.
Variable Voltage - Press button 3 times to adjust voltage: Green=3.4V; Blue=3.7V; Red=4.0V
Preheat Function  - Press button 2 times to preheat. Press button 1 time to stop preheat.
Battery Level Indicator - Press button to see battery level: Green Full; Orange Med; Red Low