11, 000m Capable Iridium/LED Beacon
The Apollo-3 is a short tube variant of the Apollo, the Apollo-3 offers a shorter, lighter package for easier mooring. The Apollo-3 operates in the same manner as the standard long-tube Apollo, however, due to the smaller enclosure, requires three Saft LSH20 size D 3.6V Lithium batteries with a nominal voltage of 10.8V. Like its larger counterpart, the Apollo-3 has a depth rating of 11, 000 meters.