2x EVE ER14505 AA 3.6V Lithium Batteries (2600mAh) | High Capacity Li-SOCl2. NOT STANDARD HOUSEHOLD AA BATTERIES: While they are "AA size," standard household AA batteries are 1.5V. These are 3.6V. Putting these into standard household electronics (like TV remotes, toys, or clocks) will likely destroy the device.
