Patents Assigned to Grrreen, Inc.
  • Battery charging system and method
    Patent number: 8564246
    Abstract: A battery charging system and method, includes a high voltage charger for charging a group or string of series connected battery cells, and a group of individual cell chargers for charging individual ones of the cells. The charging technique includes detecting at least one cell being charged to a predetermined voltage, and then inhibiting the high voltage charger from further charging any of the cells. The individual cell chargers charge individual ones of the cells, except the at least one cell charged to the predetermined voltage.
    Type: Grant
    Filed: March 29, 2011
    Date of Patent: October 22, 2013
    Assignee: Grrreen, Inc.
    Inventors: John M. Wade, Jaime H. Bohorquez