GS Yuasa Lithium Power designs and supplies high-reliability lithium-ion cells and batteries for space applications, serving both large spacecraft programs (GEO, MEO, LEO, human-rated missions) and the growing smallsat constellation market. With over 25 years of flight heritage and more than 5 MWh deployed across 262+ satellites, the company offers large-format LSE cells for demanding missions and the MA12x modular battery platform for smaller satellite applications.