Patent ID: 8222868
Filing Date: 2012-07-17
Classification: G01R

Abstract:
1. A battery tester configured to engage a stem of a power tool battery, the battery tester comprising: a housing having a cavity configured to receive the stem of the power tool battery; a plurality of electrically conductive contacts disposed in the cavity, the contacts configured to biasingly engage corresponding battery electrodes on the stem; a processor mounted within the housing in communication with the battery through the electrically conductive contacts, the processor configured to measure a voltage level of the battery; a loading circuit configured to electrically load the battery; one or more indicators disposed on or in the housing and controlled by the processor; wherein the processor is configured to activate the loading circuit for a predetermined period of time to measure a voltage level of the battery while under load, and activate the indicators to provide a visual indication of remaining battery life; and wherein the housing lacks a motor and a battery charger therein.