Choose Joy and Safety with the CH9939 Battery Kart! Powerful Performance for Great Fun With two 2x45W motors, the CH9939 go-kart not only offers exciting rides, but also develops your toddler's sense of coordination and motor skills. Safe and Comfortable Driving With an automatic transmission that provides three speeds, your child can enjoy a smooth and safe ride, reaching speeds of 3 to 5 km/h. The automatic brake when the accelerator pedal is released ensures an immediate stop, which increases the level of safety while driving. Long-lasting outdoor fun With 12V7Ah battery, charging time