Panasonic CR123A Lithium 3V Photo Lithium Batteries , 0.67" Dia x 1.36" H (17.0 mm x 34.5 mm) , black, Gold, Blue (Pack of 8)BULK - TheBatterySupplier.Com
Energizer Lithium EBE-123 Digital Camera Batteries (2-Pack) in the Device Replacement Batteries department at Lowes.com