Deep-sea battery device

Abstract

A deep-sea battery device includes: a housing, a pouch, and a protective cover. The housing defines a pressure-releasing port, the pouch seals the pressure-releasing port. The pouch includes a body, a cushioning portion, and a connection portion. The cushioning portion is disposed between the body and the connection portion. The connection portion is clamped between the protective cover and the housing. The cushioning portion at least comprises an annular cushioning protrusion surrounding a periphery of the body. The cushioning protrusion protrudes toward an interior of the housing. A side of the cushioning protrusion away from the interior of the housing defines a groove. An opening of the groove faces the protective cover. The protective cover defines a through hole, the through hole is disposed at a position corresponding to the body. The body is disposed lower than an outer side of the housing that defines the pressure-releasing port.

Dependencies are inferred from the claim text.