Listen Technologies LA-363 High Capacity AAA Alkaline Batteries (2 Pack)

The LA-363 is the disposable-battery option for Listen receivers, including a ListenTALK fitted with the LA-435 AAA compartment. Alkaline is what you fall back on when a day runs longer than a charge or there is no dock on site.

They are standard 1.5 V AAA cells rated for operation from -18 to 55 C (0 to 130 F). Two per pack.