Patent · US Expired

Method and apparatus for charging and testing batteries

US5049803A · kind A · utility

61Cited by
9References
21Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 10, 1989
Grant dateSep 17, 1991
Priority date
Expiry dateMay 10, 2009

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01R31/396
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

An apparatus for charging and testing a rechargeable battery is adapted to determine certain conditions, including defects and characteristics, of the battery. The apparatus detects defects caused by sulfated cells, short circuited cells, and mismatched cells, and determines battery voltage, capacity and charge acceptance capability.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.