The STELLAR High-Power (-HP) from Airbus is a Satellite Battery with a nominal capacity range of 27.2-108.8 Ah and a nominal energy range of 900-3600 Wh. It has an energy density range of 90-170 Wh/kg and has a maximum pulse discharge current of 41-140 A. This satellite battery requires a voltage range of 22.5-37.8 V and has a maximum continuous charge current of 27.2-30 A. It features a passive balancing function, shunt current telemetry, power switches and timer. The battery has a mass range of 10-21.1 Kg and measures 434 x 400 x 114 mm. It is designed for LEO constellations and has a flight heritage of the OneWeb satellites constellation.