4 x Panasonic CR123A 3 Volt Lithium Batteries (CR17345) - Walmart.com
Generic Battery CR17345 replacement battery
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