Electric Power Systems (EP Systems), a leading provider of advanced energy storage solutions, today announced it has been selected as the battery provider for Elfly’s highly anticipated all-electric seaplane. The companies announced their partnership for the research demonstrator program at EAA AirVenture Oshkosh 2023, where both companies are participating. Under the terms of the agreement, EPS will deliver its EPiC battery line for the initial demonstration to incorporate upgradable energy solutions.