Patent Number: 6,167,349

Title: Battery parameter measurement

Abstract: A method and system for evaluating lead-acid battery jars in a battery backup or standby system applies, in a stepwise manner, a current load across a group of adjacent jars. Voltage measurements are taken across each jar in the group at various times during the application of the current load. These measurements are utilized to calculate the ohmic resistance, the charge transfer resistance and the double layer capacitance of each jar.

Inventors: Alvarez; Jose A. (Elizabeth, NJ)

Assignee: BTECH, Inc.

International Classification: G01R 31/36 (20060101); G01R 031/36 (); G06F 019/00 (); G01N 027/416 ()

Expiration Date: 12/26/2017