BATTERY AND ELECTRIC DEVICE

A battery includes an electrode assembly, a housing, and a terminal post, where the electrode assembly is accommodated in the housing. The housing includes a first wall and a second wall disposed opposite each other along a first direction and includes a peripheral side wall surrounding the first wall and the second wall and disposed therebetween. The first direction is a thickness direction of the battery. The first wall includes a reinforcement portion, where the reinforcement portion protrudes beyond the peripheral side wall. The peripheral side wall includes a top wall and a bottom wall disposed opposite each other along a second direction, where the top wall is provided with a through-hole, and the terminal post is disposed at the through-hole.