EnerSys is the world’s largest manufacturer, marketer, and distributor of industrial batteries and related products. The EnerSys Advanced Systems division, which includes ABSL Space Products and Quallion, provides energy storage solutions to the aerospace industry. ABSL and Quallion design, manufacture, and test batteries that utilize both small and large format li-ion cells. Cells are manufactured in house or sourced via commercial providers for satellites, launch vehicles, and manned space applications. The business has provided batteries for applications such as the EMU Astronaut backpack battery, NASA science missions such as James Webb, and other military/classified applications.