Patent ID: 8372530

Claim:
A vehicular power supply system comprising: a waterproof case ( 14 ) housing at least a battery module ( 24 ) or an electrical component ( 33 ); a lid member ( 15 ) covering an upper face opening ( 14 b ) of the waterproof case ( 14 ); and a hanger frame ( 16 ) having a longitudinally intermediate section held between the upper face opening ( 14 b ) of the waterproof case ( 14 ) and an outer peripheral part of the lid member ( 15 ) in order to hangingly support the waterproof case ( 14 ), characterized in that inclined portions ( 16 c ) extending obliquely upward or obliquely downward toward the exterior from two mutually opposing side edges of the waterproof case ( 14 ) are formed on the hanger frame ( 16 ), and the upper face opening ( 14 b ) of the waterproof case ( 14 ) and the outer peripheral part of the lid member ( 15 ) are equipped with an extended portion ( 14 a , 15 a ) extending obliquely upward or obliquely downward along the hanger frame ( 16 ) so as to cover the inclined portion ( 16 c ) of the hanger frame ( 16 ).