Item No:X6 240 0W 21AH. Item No :X6 PRO 2400W 21AH. Lithium battery : 48V 21Ah. Item No.: L10 PRO 800W 16AH. Lithium battery： 48 V 13Ah. Folding Size: 112 x 23 x 38 ~58cm. Lithium battery： 48 V 16Ah. You have the right to withdraw from this contract within one month without giving any reason.