Amazon.com: Taken CR2 Rechargeable Batteries with Charger, 3.7V 450mAh CR2 Battery, 8 Pack RCR2 Battery with 4-Ports Charger (Not for Arlo Batteries) : Electronics
Energizer CR2 Lithium Batteries (2-Pack), 3V Photo Batteries EL1CR2BP2 - The Home Depot
Panasonic Cylindrical Lithium CR2 Battery New-In-Box at Roberts Camera