Christopher P Leight

US Patent:

20080150474, Jun 26, 2008

Filed:

Oct 25, 2007

Appl. No.:

11/924085

Inventors:

William M. Ball - Stockton NJ, US
John J. Linehan - Jamison PA, US
Christopher P. Leight - Macungie PA, US

Assignee:

INGERSOLL-RAND COMPANY - Montvale NJ

International Classification:

H02J 7/00

US Classification:

320106

Abstract:

A cordless power tool battery pack including an onboard circuit configured to electronically communicate with an associated battery charging system and an associated battery analyzing system. The onboard circuit communicates information relating to the battery pack to a microprocessor or the like within the battery charging system and charging of the battery pack is controlled based on such communication. The onboard circuit also communicates information relating to the battery pack to a microprocessor or the like within the battery analyzing system which can than be communicated to an interface unit for display to a user.