Amazon.com: Panasonic CR2 Photo Lithium 3V Batteries for Mini 25 Mini 50 Mini 50S Mini 55 Pivi MP-100 & SP-1- Silver (Pack of 6) : Electronics
4pcs 3v Lithium Battery Cr2 Cr15h270 Dlcr2 Non-rechargeable Battery For Digital Camera Photographic Device Gas Meter Flashlight - Primary & Dry Batteries - AliExpress