... electric lithium battery folding bike 1, light weught and small size 2,material: magnesium alloy 3,li-battery ... ≤23kg (including battery)MAX LOAD 75kgWheel SIZE300mmbrakedrum brakeFULL CHARGE INDURANCE ≤70kmBATTERY lithium battery : 36V, ... LITHIUM BATTERY, 36V 7 -- 10AH.6,BRUSHLESS MOTOR.7,FOLDABLE AND PORTABLE, CANE BE PUT INTO TRUNK Magnesium alloy electric Foldable Bike with lithium battery ...