Patent · US Expired

Method and apparatus for charging and discharging a rechargeable battery

US7541781B2 · kind B2 · utility

10Cited by
21References
24Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 17, 2005
Grant dateJun 2, 2009
Priority date
Expiry dateAug 8, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02J7/00309
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A battery protection system is provided for a rechargeable battery. The system has a switch module that selectively interrupts battery current based on a control signal, a battery voltage sensor that senses battery voltage, a battery temperature sensor that generates a battery temperature signal, and a control module that generates said control signal based on said battery temperature signal and said battery voltage.

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