Basic Info. Max speed: 12Km/h Driving Mileage: 15-20Km Battery: Samsung lithium battery 400W 36V 4.0AH Supply voltage:110-240V Charging time: 45-60mins Last for(can be drove):1hour Machine’s Net weight: 11KG Max gradeability: 15° Max load bearing: 120KG Machine size: 600mm*200mm*178mmBelow is my contact information, I'm always here waiting for you, my friend. Contact:Taneya TangZHIMESON Group LimitedTel: 0086-13613029437Ph: 0086-0755-23112380-802 FAX:0086-0755-33235375Skype NO:[email protected] Zhimeson Balanced Car2016 new typle electric car balance8.5lnch self balance car10.5lnch scooter balance car2016 new balance scooterwith bule tooth electric balance car