With over 25 years of expertise in the battery industry, Airbus stands as a key actor in the space domain. As the prime contractor for spacecraft, Airbus has an in-depth knowledge of cutting-edge technologies employed in space batteries. Explore our legacy of excellence in space battery solutions. 


A batteries product line for LEO Constellations

STELLAR-BATT is a Space Equipment product line specifically developed to address Low-Earth Orbit (LEO) constellations. This innovative product line comprises two distinct modules, which can be utilized either independently or in series/parallel configurations.


To meet the evolving demands of the space industry and revolutionize the battery market, the STELLAR-BATT module incorporates EEE automotive Commercial Off-The-Shelf (COTS) components and COTS Lithium-ion cells. These components have undergone rigorous qualification by Airbus for space applications and boast a proven flight heritage.


STELLAR-BATT battery modules
Download STELLAR-BATT brochure


STELLAR-BATT S battery module


STELLAR-BATT S is a Low-Power  battery offering around 1700 Wh, designed for an external mounting configuration, thermally insulated from the spacecraft. The module embeds its own radiator.

STELLAR-BATT L battery module


STELLAR-BATT L is a High-Power  battery offering from 900 to 3600 Wh. Unit thermal management is ensured by a direct contact between unit baseplate and spacecraft panel.

A strong flight heritage


STELLAR-BATT benefits from a strong flight heritage, as this product was used in the frame of the OneWeb satellites Constellation, with more than 630 satellites in orbits since the first launch in February 2019.

Constellation Animation


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