Battery module

A battery module, comprising a base, a plurality of battery units, a pair of end plates, a pair of side plates and a plurality of sleeve members;

• wherein
• the plurality of battery units are located on the base, and are stacked along a thickness direction of the battery unit;
• the pair of end plates are respectively located on two sides of the plurality of battery units in the thickness direction of the battery unit, and are adjacent to outermost battery units of the plurality of battery units;
• the pair of side plates are respectively located on two sides of the plurality of battery units in a width direction of the battery unit;
• the sleeve member is connected with the end plate or the side plate, and extends toward the base and are fixed on the base;
• the end plate comprises a first base plate and a first extending plate, the first base plate extends along the width direction of the battery unit, the first extending plate extends out from an end of the first base plate along the width direction of the battery unit;
• the side plate comprises a second base plate and a second extending plate, the second base plate extends along the thickness direction of the battery unit, the second extending plate extends out from an end of the second base plate along the width direction of the battery unit;
• the first extending plate and the second extending plate can be abutted with each other and fixedly connected at an abutting position.