CR123 vs. CR123A Batteries: Which Ones Are better?
CR123A 3V Lithium Battery, CR123 VS CR123A, CR123A Equivalents
Amazon.com: rapthor CR123A 3V Lithium Batteries CR17345 16 Pack 1650mAh High Power 123A 10 Year Shelf Life Non-Rechargeable CR123 Photo Battery 123 for Flashlight Toys Alarm System Microphones (Not for Arlo) :
CR123 Battery Equivalent, Voltage, Size, Uses, and Life(FAQs)