Battery cluster

Abstract

A battery pack comprising:a battery insertion housing (1), wherein one end of the battery insertion housing (1) has an insertion end (11), and the insertion end (11) has a first limiting structure (111);anda battery box body (2) with an insertion opening (21) having two side walls (23) facing each other, wherein each of the side walls (23) of the battery box body (2) is formed with at least one groove (22) extending (21) from the insertion opening, wherein each of the grooves (22) has a groove track (231) and a guide rib (232) formed on the corresponding side wall (23), wherein each of the opposite sides of the battery box body (1) is formed with a sliding surface engaging with a groove track (231), and wherein an end of the guide rib (232) close to the insertion opening (21) has a chamfer, characterized in that each of the grooves (22) at an end farthest from the insertion opening (21) has a second limiter engaging with the first limiter (111) (221) is formed.;