Patent ID: 9361785
Filing Date: 2016-06-07
CPC Classification: G01R,G08B

Claim Text:
1. A system for testing battery backup capacity in an alarm system, the system comprising: a panel; a notification device operatively connected to the panel; a battery backup associated with to the panel and configured to provide the panel and the notification appliance with electrical power; a test circuit associated with the panel and configured to monitor a voltage and an output current of the battery backup during a battery capacity test; and a system controller associated with the alarm panel and configured to determine, from the monitored voltage and output current of the battery backup, a capacity of the battery backup, the system controller further configured to execute the battery capacity test, whereby the alarm panel and the notification appliance are switched from a primary power source to the battery backup for a standby period of a first predetermined duration followed by an alarm period of a second predetermined duration, wherein the system controller activates the notification appliance during the alarm period.