KPX USA 510 Thread Battery delivers compact power and custom control in a clean, no-fuss design. With three voltage settings and universal 510 compatibility, you get the perfect hit every single time.

• 350mAh battery for portable, dependable performance
• Three voltage settings — Green: 2.8V, Yellow: 3.4V, Red: 4.0V
• Compatible with most standard 510-thread cartridges
• Compact and sleek design for discreet, everyday use
• USB charger included for easy on-the-go recharging