Battery case of electronic device

A battery case of an electronic device, comprising:

• a housing, comprising:
• a first side wall;
• a second side wall opposite to the first side wall;
• a bottom part connected between the first side wall and the second side wall, wherein an accommodation space is defined by the first side wall, the second side wall and the bottom part for accommodating a battery, the battery comprises a main body, a first electrode arranged on a first end of the main body, and a second electrode arranged on a second end of the main body;
• a first blocking part protruded from the first side wall and extended toward the second side wall for blocking the first end of the main body from moving away from the bottom part;
• and
• a second blocking part protruded from the second side wall and extended toward the first side wall for blocking the second end of the main body from moving away from the bottom part, wherein a distance between the first blocking part and the second blocking part along a longitudinal direction of the main body of the battery is smaller than a length of the main body of the battery, and a dimension of length and/or width of the first blocking part in the longitudinal direction along the main body is smaller than a dimension of length and/or width of the second blocking part in the longitudinal direction along the main body;
• a first conductor arranged on the first side wall and configured to contact the first electrode;
• and
• a second conductor arranged on the second side wall and configured to contact the second electrode.