{
  "$type": "site.standard.document",
  "description": "A processor of a battery device performs precharge by closing a precharge switch during a precharge duration, and closes a positive main switch after the precharge duration, and diagnoses the precharge operation on the basis of the voltage of a positive connection terminal measured immediately…",
  "path": "/patents/1391379",
  "publishedAt": "2026-03-04T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01R31/3835",
    "LG ENERGY SOLUTION LTD [KR]"
  ],
  "textContent": "A processor of a battery device performs precharge by closing a precharge switch during a precharge duration, and closes a positive main switch after the precharge duration, and diagnoses the precharge operation on the basis of the voltage of a positive connection terminal measured immediately before the positive main switch was closed and the voltage of the positive connection terminal measured immediately after the positive main switch was closed.",
  "title": "BATTERY DEVICE, BATTERY SYSTEM AND DIAGNOSIS METHOD"
}