| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide such a power supply device that the centroid thereof is located at an electrolyte vessel of a lead battery or a housing case of the auxiliary battery, the vessel and the case being located at the center of the power supply device, in the power supply device in which the auxiliary battery is coupled to the lead battery to form an integral configuration.SOLUTION: A power supply device comprises: a lead battery 10 in which lead battery cells 11 are housed in a plurality of electrolyte vessels 36, respectively; an auxiliary battery 20 housed in a housing space 35 for the auxiliary battery in a state that a plurality of power storage elements 21 connected in series are housed in an inner case; a pair of output terminals 12 for outputting a power of the lead battery 10; and lead parts 14 connected to the auxiliary battery 20 and the pair of output terminals 12, and parallel-connecting the lead battery 10 to the auxiliary battery 20. The centroid is located at the electrolyte vessel 36 or the housing space 35 for the auxiliary battery located at a central part of the housing case 30 in which the plurality of electrolyte vessels 36 and the housing space 35 for the auxiliary battery are coupled.</p> |
