Charge times vary by car model, please refer to the manual for your specific car for appropriate charge times. It is generally recommended to charge the battery for 6 to 8 hours and never more than 12 hours.

For optimal maintenance of your Kool Karz Battery:

- Be sure to charge the battery every month even when it has not been used.

- Always provide a full charge after each use of the car, never let the battery sit while depleted.

- Stop play time and charge when there is a noticeable decrease in speed.

- Avoid draining battery until the car cannot run anymore.