Rechargeable battery device

Abstract

A battery charger obtains parameter values derived from communication from a battery pack being charged. The battery pack has at least one rechargeable cell, a semiconductor device that stores the charging parameters for the rechargeable cell and communication bus configured to communicate with a battery charger device. The battery pack may have an identification number. A lack of communication between the battery pack and a charger may invoke a default charging program or denial of access to the charger.

1 . A rechargeable battery pack comprising: 
 at least on rechargeable batter cell;    at least one sensor selected from the group consisting of a temperature sensor, a current sensor and a voltage sensor, or combination thereof, capable of generating dynamic data concerning said rechargeable battery pack;    a semiconductor memory affixed to said rechargeable battery pack capable of storing a plurality of data bits indicative of at least one charging parameter of said rechargeable battery pack and a digital representation of said generated dynamic data concerning said rechargeable battery pack;    a communication bus configured to transmit at least some of the data bits concerning said rechargeable battery pack that are stored within the semiconductor memory.    
     
     
         2 . The rechargeable battery pack of  claim 1 , wherein said semiconductor memory comprises at least on location holding a presorted serial number.  
     
     
         3 . A rechargeable battery device comprising: 
 at least one rechargeable battery cell;    sensor means configured to monitor a physical attribute of said at least one rechargeable battery cell;    a digital memory comprising a battery pack ID, and charging parameter values; and    connections for said at least one rechargeable battery cell, said sensor means, and said digital memory to connect to another device.    
     
     
         4 . The rechargeable battery device of  claim 3 , wherein said digital memory is part of a module.  
     
     
         5 . The rechargeable battery device of  claim 3 , wherein said sensor means comprises a volt sensor.  
     
     
         6 . A rechargeable battery pack, comprising: 
 a rechargeable battery cell;    a memory device configured to store charging parameters for said rechargeable battery cell;    connections for said rechargeable battery cell and said memory device to connect to another device.    
     
     
         7 . The rechargeable battery pack of  claim 6 , wherein said another device is a battery charger device.