
Powerful Removable Battery
The KOOLUX BK6S 3.0 comes with a 36V 13Ah lithium-ion battery built seamlessly into the frame. Designed for easy removal, it allows quick charging at home or work—perfect for city riders who need flexible power options.
Smart LCD Display
Track speed, battery life, assist mode, and distance in real-time with the easy-to-use LCD display—keeping every ride simple, safe, and under control.


Built-In Rear Light for Safer Rides
Stay visible and secure at night with the durable, frame-mounted red rear light. Designed for long-lasting performance, it ensures maximum safety in low-light conditions.