A stator for a motor, comprising: a stator body comprising: an elongated wall extending along an axis, wherein the elongated wall has an inner surface and an outer surface to define a substantially annular shape of the stator body, and a plurality of stator teeth formed on the inner surface of the elongated wall, wherein the plurality of stator teeth are circumferentially spaced from one another, such that an accommodating groove is defined circumferentially between every two adjacent stator teeth; wherein each stator teeth has a radially inner end surface and the inner end surfaces of the plurality of stator teeth collectively define a first imaginary circle in a plane substantially perpendicular to the axis, wherein the first imaginary circle has a first diameter D1, wherein the first diameter is 52 mm; wherein a total number of 24 accommodating grooves are defined by the plurality of stator teeth, wherein the outer surface of the elongated wall defines a second imaginary circle in the plane, wherein the second imaginary circle has a second diameter D2, wherein the second diameter is 100 mm; wherein the accommodating grooves formed by the plurality of stator teeth collectively define a projected area S on the plane, and the projected area S satisfies S = [0.215 ∗ (D2 2 -D1 2) ∗ 3.14]/4 mm 2, = 1231 mm 2, the stator body is formed by stacking a plurality of silicon steel sheets having magnetic induction intensity that is greater than 1.79T wherein each silicon steel sheet has a thickness of 0.5mm, wherein each stator tooth has a width bt1 and bt1 is 3.15 mm, and every two adjacent accommodating grooves define a pitch t1 between the two adjacent accommodating grooves and the pitch is 6.8 mm and wherein the plurality of silicon steel sheets are processed by cold rolling. an elongated wall extending along an axis, wherein the elongated wall has an inner surface and an outer surface to define a substantially annular shape of the stator body, and a plurality of stator teeth formed on the inner surface of the elongated wall, wherein the plurality of stator teeth are circumferentially spaced from one another, such that an accommodating groove is defined circumferentially between every two adjacent stator teeth; wherein each stator teeth has a radially inner end surface and the inner end surfaces of the plurality of stator teeth collectively define a first imaginary circle in a plane substantially perpendicular to the axis, wherein the first imaginary circle has a first diameter D1, wherein the first diameter is 52 mm; wherein a total number of 24 accommodating grooves are defined by the plurality of stator teeth, wherein the outer surface of the elongated wall defines a second imaginary circle in the plane, wherein the second imaginary circle has a second diameter D2, wherein the second diameter is 100 mm; wherein the accommodating grooves formed by the plurality of stator teeth collectively define a projected area S on the plane, and the projected area S satisfies S = [0.215 ∗ (D2 2 -D1 2) ∗ 3.14]/4 mm 2, = 1231 mm 2, the stator body is formed by stacking a plurality of silicon steel sheets having magnetic induction intensity that is greater than 1.79T wherein each silicon steel sheet has a thickness of 0.5mm, wherein each stator tooth has a width bt1 and bt1 is 3.15 mm, and every two adjacent accommodating grooves define a pitch t1 between the two adjacent accommodating grooves and the pitch is 6.8 mm and wherein the plurality of silicon steel sheets are processed by cold rolling.