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DSC Alexor Siren Bell Box Battery Alarm WT4911BATT Replacement for WT4911B

DSC Alexor Siren Bell Box Battery Alarm WT4911BATT Replacement for WT4911B

DSC Alexor WT4911B Bell Box Siren Battery. Compatible with the following Alexor alarms: DSC WT4911B. P/N: WT4911BATT. The original issued 14.5A battery should be replaced every 2-3 years to ensure your alarm has enough battery power to sound the alarm in the event of a power cut.