The CR123A 3V Lithium Battery is a common battery used with wireless devices. Brand may vary from picture.
Basics 6-Pack CR123A Lithium Batteries, 3 Volt, Up to 10-Year Shelf Life : Health & Household
CR123 lithium 3 volt battery
Honeywell 5816: Installing the CR123A Battery
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Panasonic 30212 Lithium 3V Photo Lithium Battery cr123 (Double Pack)
CR123A Batteries CR123 Batteries CR123A Battery CR123 Battery
Honeywell 5816: Installing the CR123A Battery
CR123A 3V Lithium Battery, 4 Pack 1600mAh CR123 CR17345 Battery with 10-Year Shelf Life UL Certification for Flashlight Alarm System etc, Non-Rechargeable, NOT for Arlo : Health & Household
High capacity lithium battery
Basics 24-Pack CR123A Lithium Batteries, 3 Volt, Up to 10-Year Shelf Life : Health & Household
DURACELL HIGH POWER LITHIUM CR123 BATTERY 3V
8 Best CR123A Batteries For Alarm Systems
Tenergy 3V CR123A Lithium Battery, High Performance 1500mAh CR123A Cell Batteries PTC Protected for Cameras, Flashlight Replacement CR123A Batteries, 12 Pack (Non-Rechargeable) : Health & Household
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POWCAMAH (3- Pack) CR123A 3V Lithium Battery 1400mAh for Cameras Flashlight Alarm Smart Sensors : Health & Household