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Amazon.com : Tenergy CR2 3V Lithium Battery Non-Rechargeable PTC Protected High Performance CR2 Batteries for Flashlight, Digital Cameras, Toys, Alarm Systems (Not for Arlo Camera) 50PCS : Digital Camera Batteries : Electronics
cr2 vs cr123:Which battery do you prefer?
CR2, CR123A Batteries
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Panasonic CR123/CR123A – 8storeytree
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Energizer CR2 Lithium Batteries (2-Pack), 3V Photo Batteries EL1CR2BP2 - The Home Depot