Amazon.com: Panasonic BAT002 x 2 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 2) : Health & Household
VARTA CR 1/2 AA S 3V 950mAh OEM Lithium Battery CNC Computer Batteries – House of Scuba