{
  "$type": "site.standard.document",
  "description": "A power storage device has a plurality of series-connected storage battery units (101), battery circuits (102) associated with the storage battery units to control or monitor the storage battery units, respectively; a main circuit (104) of a potential level different from that of the battery…",
  "path": "/patents/1111121",
  "publishedAt": "2001-08-08T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01R19/16542",
    "HITACHI LTD [JP]"
  ],
  "textContent": "A power storage device has a plurality of series-connected storage battery units (101), battery circuits (102) associated with the storage battery units to control or monitor the storage battery units, respectively; a main circuit (104) of a potential level different from that of the battery circuits; and a potential level changing circuits (103) connecting the battery circuit to the main circuit. The power storage unit is small in construction and operates at a low power consumption in a high control accuracy.",
  "title": "Power storage device and method of measuring voltage of storage battery"
}