Panasonic CR2 Industrial 3 Volt Lithium Batteries (Pack of 16) - Walmart.com
Panasonic BR-C Replacement Battery - 3.0V non rechargeable Lithium cel – BBM Battery
Amazon.com: Panasonic CR123A-12PK Lithium 3V Photo Lithium Battery, 0.67" Diameter x 1.36" H (17.0 mm x 34.5 mm), Black/Gold/Blue (Pack of 12) : Health & Household