good quality

Overall dimensions (mm): 1980(L)*700(W)*1160(H)
Wheel base (mm) :1380
Single charge£¨km£©: approximately 72km(Li)/50km(Si)
Net weight (kg) :100Kg(li)/140Kg(Si)
Max load (kg) :150Kg
Max speed (km/h): approximately 45km/h(Li)/25km/h(Si)
Brake (Fr./Rr.) :Disk / Drum
Type of motor: brushless DC motor
Tyre size (Fr./Rr.): 130/60-13
Motor power :60V1500W
Battery :60V40Ah/30Ah(Lithium)/27Ah(Silicon)
Life of storage battery: approximately 800 cycles(Li)/350(Si)
Charger input: AC 220V or 110V(optional)
Charging time: 6~9 hours
Charger output: 72.6V/5A(Lithium)72.6/5A(Silicon)
Under current voltage: 51.5V±0.2V(Lithium)56V±0.2V(Silion)
Exceeded current amp: 50A