A battery carrier configured to hold a battery includes a base and a frame disposed on the base. The base includes a main plate and a first limiter disposed on the main plate. The main plate has a positioning hole located opposite to the first limiter. The frame includes a main part located on the main plate, a tail part disposed to the main part, and a stopper. The main part includes an abutment wall standing on the main plate. The tail part includes a positioning post. The stopper includes an elastic arm disposed on the abutment wall and a block disposed on the elastic arm. The base has a limit edge located between the first limiter and the positioning hole. An extending direction of the limit edge is different from a direction from the first limiter to the positioning hole.