CR123 vs CR123a: What is the Difference Between These Batteries?
Amazon.com: 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
How To Test CR123A Lithium Batteries? | All You Need To Know