Patent ID: 7361428

Claim:
A battery apparatus comprising: a frame comprising two pairs of parallel edge portions adjoined to one another and that defines a storage portion within the frame in which a battery unit is stored, the storage portion also having open upper and lower regions, a first lid that closes one of the upper and lower open regions of said storage portion, wherein said first lid is capable of being engaged with said battery frame, a first fixing means for fixing the first lid to the battery frame is provided on an inner side surface of the frame facing the battery unit storage portion a second lid that closes the other of the upper and lower open regions of said storage portion, wherein said second lid is capable of being engaged with said battery frame, and a second fixing means for fixing the second lid to the battery frame is provided on an inner side surface of the frame facing the battery unit storage portion, the second fixing means being offset in a lateral direction of the frame from the first fixing means.