EnerSys / ABSL Space Products

EnerSys is the recognized global leader in stored energy solutions and systems, with over 100 years of battery heritage and operations serving more than 10,000 customers across 100 countries. The company's aerospace and defense division, operating under the ABSL Space Products brand, specializes in lithium-ion battery systems engineered for the stringent requirements of space missions.

ABSL Space Products is a UK-based unit with deep heritage in flight-proven Li-ion battery packs for scientific and commercial spacecraft. Their batteries have flown on high-profile missions including Rosetta (ESA comet mission), Cassini (Saturn orbiter), and multiple ESA Earth observation satellites. The ABSL approach combines custom cell design, battery management electronics, and system-level integration to deliver reliable, long-life power storage for LEO, MEO, GEO, and deep space applications.

Beyond space, EnerSys serves industrial, transportation, communications network, data center, and military vehicle markets with batteries including the NexSys®, Odyssey®, PowerSafe®, and DataSafe® product families. The company's global manufacturing footprint supports localized supply and service across Europe, the Americas, and Asia-Pacific.