Enpower Greentech announce it has developed battery for HAPS communications

ANN ARBOR, Mich., – Enpower Greentech, Inc. (EGI), a manufacturer of next-generation batteries in Palo Alto, Calif.,, has announced the successful development of a high-performance battery designed to perform in extreme stratospheric conditions where High Altitude Platform Stations (HAPS) provide wireless communications. The battery pack design provided 300 Wh/kg energy that was made possible from the EGI cells rated at 439 Wh/kg. Enpower Greentech lithium-metal battery cells, with specific energy of 439 Wh/kg, were coupled with constraints, heaters, and insulation materials to ensure proper temperature and pressure control in extreme conditions at an altitude of 20 kilometers. Validation was completed…