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
8 x Duracell + 8 x Energizer CR2 3 Volt Lithium Battery Combo (16 Total)
Amazon.com: Energizer CR2 Lithium Battery, Pack of 2 : Health & Household