Patent ID: 6331761
Filing Date: 2001-12-18
Classification: A61B,H01M,H02J,Y02E

Abstract:
A rechargeable battery pack comprising:a housing;at least one rechargeable cell disposed in said housing;a first set of terminals attached to said housing that is attached to said at least one rechargeable cell, wherein energy is applied to said first set of terminals for storage in said at least one rechargeable cell and current is drawn from said at least one rechargeable cell through said first set of terminals;a memory disposed in said housing, said memory having a first data field in which data representative of the number of times the battery has been charged are stored and a plurality of second data fields in which data representative of the energy stored in the battery after charging are stored; anda second set of terminals attached to said housing and connected to said memory, wherein the data representative of the number of times the battery has been charged and the data representative of the energy stored in the battery are written to said memory and read from said memory through said second set of terminals.