Honda Motor Co., Ltd.
Vehicle battery device

Abstract:

Provided is a vehicle battery device in which number of battery cells can be easily increased, a large number of battery cells can be arranged at high density, and connection with the outside can also be easily performed. The vehicle battery device includes: a battery cell mounting part accommodating a battery cell group constituted by a plurality of laminated battery cells; and an interface box integrating connection functions between the battery cell mounting part and the outside, wherein the battery cell mounting part is connected to at least one of two opposing side surfaces in an outer surface of the interface box; and the interface box has, on any outer surface other than the side surface connected with the battery cell mounting part, a connection part capable of connecting the interface boxes to each other.