electric lithium battery folding bike 1, light weught and small size 2,material: magnesium alloy 3,li-battery 36V, 7/8/9/10 A ... 70kmBATTERY lithium battery : 36V, 7Ah/8Ah/9Ah/10AhPOWER 180WMAX SPEED 20km/hPACKAGE SIZE: 740*290*840mm1,A NEW FASHION TRANSPORTATION TOOLS.2, ... AND PERFECT CRAFTWORK, WHICH BROGHT THE BIKE FASHION APPERANCE.5, LITHIUM BATTERY, 36V 7 -- 10AH.6,BRUSHLESS MOTOR.7,FOLDABLE AND ...