Varta CRAA - 6117101301 Battery - AA 3V Lithium Cell
Tadiran TLH-5955 Lithium Battery 2/3 AA 1.4 Ah 3.6V Extended Temperature Cylindrical Cell
L91 Series Datasheet by Energizer Battery Company | Digi-Key Electronics
Application Notes & Product Data Sheet Primary Batteries— Alkaline, & Heavy Duty
Does a device with two or more AA battery slots run until all the batteries have no charge? Or does it stop working as soon as one battery has no charge? -