In some cases, the connector will have to be wiggled back and forth to loosen it from the terminal. If the connector does not easily pull away by grasping the insulation on the wire, then insulated pliers may be required. To remove the old battery, pull the black wire and connector from the negative terminal. To remove all doubt about which battery should be used, it is recommended that a licensed technician be called. If the replacement battery does not match the battery inside the box, then a different battery may be required. The battery will usually be sitting on the bottom of the control box. To open the door, it is necessary to remove the screws on the cover or to unlock the door with the key. The battery for ADT alarm systems resides in the control panel. This will allow the job to be completed without accidentally activating the alarm. Any tools used in conjunction with the removal or installation of the battery should be insulated, and both the old and new batteries should be checked for cracks or other anomalies.īefore removing the old battery, it is necessary to call ADT so that an operator can remotely set the system to test mode. Improper use or handling of the battery may cause an acid leak, electrical discharge or explosion resulting in serious injury. Before Replacing the BatteryĪlways handle the batteries with care. Fortunately, these batteries can usually be replaced without having to call a technician. Even if the battery is never used, the charge slowly drains over time, and eventually, it will lose all functionality. Although ADT security systems run primarily on a home’s AC electricity, they also have a backup DC battery that is designed to provide power in the event of a blackout.
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