MOVABLE BARRIER OPERATOR WITH BACK-UP BATTERY MONITORING ANDNOTIFICATION DEVICE

摘要

A battery and component monitoring and notification device (180) for a garag e door operator (10) is shown that provides telephone or Internet notification when back-up batteries (200) or other components require replacement. The device uses a programmable information processor to monitor the condition of back-up batteries or other components, actuates a telephone line interface t o dial out a stored telephone number, and then actuates a voice control chip t o play a stored telephone message. The telephone number and message are inputt ed by the user. The device may also provide notification over the Internet by telephone line or other internet connection system. In addition, the device uses one or more battery chargers that each operates in one of two charging modes depending on the level of charging current to each battery.