Electric Kart with Digital Dashboard Kids Model Lithium Battery Already Appeared in USA Market

kids kart,4kw DC electric motor,one brake,no differentialChassis material : 30CrMowheel base:920mmweight:135kgscontrol panel buttons of forward/reverse/stop and battery capacity display,with manual adjustment torque switch(50%/80%),remote control with 4 buttons remote control for all karts for 3 speed(A:40km/h, B:30 km/h, C:20 km/h, D:  Off) control,with lithium battery 48V 25AHx2quick charge 30 min for 60 min use,90 min for 2.5 hours use,normal AC charge 5 hours for 2.5 hours use,max speed 70km/h,size;1700mmx1200mmx550mm,