EnerSys products

EnerSys is the leading global supplier of lithium-ion batteries for space applications where space heritage, innovation, and a proven delivery track record come together to produce market-leading batteries. Our ABSL batteries were the first rechargeable lithium-ion batteries flown in space, are the longest serving lithium-ion spacecraft batteries, and are the most demonstrated lithium-ion space batteries with more Lithium-ion flight heritage than any other battery. At EnerSys, we’re committed to supplying the space industry with reliable, high performance batteries demanded by the toughest space battery programs, including man-rated, high voltage, and long life missions.