ZEUS CR-2 - Zeus Battery Products - Battery, 3 V, CR2
Amazon.com: EBL CR2 Lithium Battery, 3 Volt 800mAh Photo Battery for Mini 25, Mini 50, Golf Rangefinder, Flashlight, Electronic Toys, Alarm Systems ( CR2-8 Count) : Health & Household
CR2 Battery
2 x Duracell + 2 x Energizer CR2 3 Volt Lithium Battery Combo (4 Total)