How do I change the battery on a narrow stile Alarm Lock and what battery pack does it take?
All Narrow style “Alarm Lock” locks use two ‘123’ Type 3 volt Lithium batteries. These batteries can be purchased at any retailer that sells camera batteries.
Some of the model numbers you will see this battery under are:
CR123, DL123A, EL123AP, RL123A, CR17345
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