Satellite Batteries are critical components in satellite systems, designed to store and supply reliable energy for operations during eclipse periods and peak power demands. These advanced energy storage systems ensure uninterrupted functionality of onboard instruments, communication systems, and propulsion units by complementing the satellite's primary power source, typically solar panels. Engineered to withstand the harsh conditions of space, satellite batteries are lightweight, durable, and capable of delivering high energy density with exceptional reliability. The satellite battery technology are driving improvements in capacity, longevity and thermal management ensuring optimal performance for increasingly advanced satellite missions. In this article, SATNow has listed some interesting Satellite Batteries that were trending on the website.

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1700 Wh Satellite Battery for LEO Constellations

The STELLAR LowPower (-LP) from Airbus is a Satellite Battery with a nominal capacity of 51 Ah and a nominal energy of 1685 Wh. It has an energy density of 170 Wh/kg and has a maximum pulse discharge current of 55-70 A. This satellite battery requires a voltage range of 22.5-37.8 V and has a maximum continuous charge current of 15 A. The battery has a mass of 9.8 Kg and measures 338 x 275 x 110 mm. It is designed for LEO constellations and has a flight heritage of the OneWeb satellites constellation. Read more.

30 Wh CubeSat Battery for LEO Missions

The OPTIMUS-30 from AAC Clyde Space is a CubeSat Battery that is optimized for Low Earth Orbit (LEO) missions with a maximum altitude of 850 Km. This battery has a capacity of 30 Wh and a charge/discharge current of 1.95 A. It has an EOC voltage of 8.26 V and a full discharge voltage of 6.2 V. The OPTIMUS-30 has a mass of 268 g and measures 95.89 x 90.17 x 21.55 mm. It is compatible with the International Space Station deployment safety requirements and also a wide variety of launch platforms, including manned missions. Read more.

4.5 Ah Capacity Li-ion Cell for GEO and LEO Missions

The VES16 cell from Saft is a new Li-ion Satellite cell with a capacity of 4.5 Ah and has a nominal energy range of 16 Wh. The cell features a Nickel Cobalt Aluminium (NCA) positive electrode and a graphite negative electrode and is filled with a LiPF6 based electrolyte. It has individual cell balancing system with high DoD range amd provides long life of up to 18 years in-orbit. This Li-ion cell has a mass of 155 g and measures 33 x 60 mm (Ø x H). It is designed for LEO and small GEO applications. Read more.

Space-Qualified 24 Ah Li-Ion Rechargeable Battery

The ABSL 8s16p 28V 24Ah from EnerSys is a Satellite Battery with a configuration of 8s16p. This lithium-ion battery has a nameplate capacity of 24 Ah and an energy of 691 Wh. It has a voltage range of 20-33.6 V and a nominal voltage of 28 V. It has a mass of 6.8 Kg and a footprint of 358 x 198 mm. The battery is qualified for the NASA Goddard Space Flight Center with the design being utilized for a variety of applications including civilian, military, and other commercial applications. It does not utilize cell-balancing electronics and is suitable for LEO and GEO orbits. Read more.

Battery Module for CubeSats and Small Satellites

The 710-01640 from Pumpkin Space Systems is a Satellite Battery Module with a voltage range of 8.4 to 16.8 V and a charge current of 10 to 20 A. It has a battery capacity of 72 to 100 Wh and a discharge current of 20 A. It has a power consumption of 1 Watt and a peak power of 84 to 168 W. It has a mass of 542-710 gms with dimensions 100 x 100 x 48.4 mm. The battery module can operate with temperatures ranging from -40 to 75 Degrees C which makes it ideal for use in SmallSats, CubeSats, and NanoSats of sizes 6U/12U. Read more.

6.8 Ah Flight Proven Spacecraft Battery

The 2P8S from Blue Canyon Technologies is a Satellite Battery with a nameplate capacity of 6.8Ah. This battery has an energy of 198 Wh and an operating voltage range of 24-33.6 V. It features under-voltage protection, over-current protection, and cell balancing. The battery has a mass of less than 1200 g and measures 1.8 x 7.2 x 3.5 inches. It offers short lead times, high energy density and BMS protection. The battery has flown on several successful space missions. Read more.

SmallSat Lithium-Ion Battery Module

The B28-135 from Ibeos is a Satellite Battery with a capacity of 135 Wh and a charge current of 2.5 A. This lithium-ion battery module has a discharge current of 10 A and a voltage range of 22-33.6 V. It has a power consumption of up to 20 W and a radiation tolerance TID of up to 30 kRad (Si). The battery module features overvoltage and undervoltage protection with rigid aluminum and PEEK packaging, thermally conductive and enables flexible mechanical and thermal spacecraft interfacing. It has a mass of 815 g and measures 94.5 x 87.5 x 50.6 mm. Read more.

270 Wh Space-Qualified Lithium-ion Battery

The Battery Module by Dragonfly Aerospace is a space-qualified Lithium-ion battery designed for a 5-year lifespan in Low Earth Orbit (LEO). It features a nominal voltage of 29.7 V and a capacity of 270 Wh. The battery supports continuous discharge at 20 A and 600 W, with peak discharge capabilities of 40 A and 1200 W. This flight-proven Lithium Iron Phosphate (LFP) battery weighs 4.73 kg and has dimensions of 350 x 108 x 110 mm (L x W x H). Read more.

50-350 Whr Satellite Battery Array for MicroSats and CubeSats

The Titan-1/EXA TITAN by Ecuadorian Space Agency is a Satellite Battery designed for LEO orbits with a design life of 2 years. It has a power capacity of 350 Whr (50 Whr per battery module) and a current rating of 8400 mAh. It is build from 7 battery arrays of 1-U size each designed to provide ultra-high energy capacity and redundancy. This battery array is compatible with ISIS, Pumpkin Structures and complies to CubeSat standards. It has a total weight of 1050 g (150 g per module) and is ideal for missions from 3U CubeSats to Microsatellites. Read more.

Lithium Ion Cells For GEO Missions

The LSE190 from GS Yuasa Lithium Power is a Space qualified Li-ion Satellite cell with a capacity of 190 Ah and a nominal energy range of 703 Wh. It has an energy density of 373 Wh/L and has a specific energy of 165 Wh/kg. The battery requires a nominal voltage range of 3.7-4.1 V and a maximum continuous charge current of 190 A. The battery features a predictable capacity retention with long life cycle. It has a mass of 4.59 Kg with a dimension of 165 x 263 x 50 mm (W x H x T). This hermetically sealed energy type cells are ideal for GEO missions. Read more.

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Note: This list has been compiled based on user activity on SATNow. To ensure that we cover the whole range of Satellite Batteries we limited the number of products from each category and company. The listed products are shown in random order and are grouped by category.