{
  "$type": "site.standard.document",
  "description": "A battery system includes: a charging apparatus; a plurality of battery modules to connectable in parallel with the charging apparatus; and a controller, in which each of the plurality of battery modules has a battery, and the controller obtains, when a charging command is received, a voltage value…",
  "path": "/patents/1325738",
  "publishedAt": "2022-08-25T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H02J7/0016",
    "Prime Planet Energy & Solutions, Inc."
  ],
  "textContent": "A battery system includes: a charging apparatus; a plurality of battery modules to connectable in parallel with the charging apparatus; and a controller, in which each of the plurality of battery modules has a battery, and the controller obtains, when a charging command is received, a voltage value of the battery of each of the plurality of battery modules, identifies a first battery having a lowest voltage value and a second battery having a second lowest voltage value, starts charging of the first battery, and after starting the charging of the first battery, starts charging of the second battery when a difference value between a voltage value of a first battery module and the voltage value of the second battery becomes equal to or less than a first threshold value.",
  "title": "BATTERY SYSTEM AND CONTROL METHOD"
}