with bule tooth electric balan

       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*178mm http://www.cnzhimeson.com/d15-7ahttp://www.cnzhimeson.com/d4ahttp://www.cnzhimeson.com/d18ahttp://www.cnzhimeson.com/d8ahttp://www.cnzhimeson.com/d8b