The ELT 96 uses cells. Proper battery management is vital to avoid issues like thermal runaway.
406 MHz (digital), 121.5 MHz (analog), and 243 MHz (analog). Air Precision Elt 96 Maintenance Manual
The unit features a built-in self-test function to verify the output power of the 406 MHz transmitter and battery capacity. The ELT 96 uses cells
For analog testing (121.5 MHz), tests should only be conducted during the first 5 minutes of any UTC hour and last no longer than three audible sweeps to avoid false alarms. 2. Battery Replacement Requirements 121.5 MHz (analog)