{
"$type": "site.standard.document",
"description": "A power generating unit generates electric power using natural energy, plural secondary battery packs are charged with the electric power generated by the power generating unit, and the secondary battery pack as a power source to be used for an operation control of a control unit controlling theā¦",
"path": "/patents/994425",
"publishedAt": "2013-01-02T00:00:00.000Z",
"site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
"tags": [
"H01M10/44",
"MITSUBISHI HEAVY IND LTD [JP]"
],
"textContent": "A power generating unit generates electric power using natural energy, plural secondary battery packs are charged with the electric power generated by the power generating unit, and the secondary battery pack as a power source to be used for an operation control of a control unit controlling the operation of a charging system is selected on the basis of a charging rate of the corresponding secondary battery pack.",
"title": "CHARGING SYSTEM, AND CONTROL METHOD AND PROGRAM THEREFOR"
}