GS Yuasa space-grade lithium-ion batteries support launch of JAXA’s new HTV-X1 spacecraft

21 January 2026

GS Yuasa space-grade lithium-ion batteries support launch of JAXA’s new HTV-X1 spacecraft 

GS Yuasa has announced that its space-use lithium-ion batteries have been successfully installed in the Japan Aerospace Exploration Agency’s new HTV-X1 transfer vehicle, which launched on 26 October 2025. Building on more than 250 space-vehicle applications, GS Yuasa’s lithium-ion technology continues to be selected for missions requiring exceptional reliability, energy density and safety — qualities that are critical in the harsh environment of space.

The batteries used in HTV-X1 are engineered to deliver stable, long-duration performance under the extreme temperatures, deep cycling and operational demands of orbital flight. Their adoption reflects the company’s long-established position as a trusted supplier of high-integrity lithium-ion technology capable of meeting rigorous engineering requirements. 

The same foundations that enable this space-grade performance also underpin the lithium-ion LIM series supplied throughout Europe. While the HTV-X1 cells are designed for a highly specialised operating environment, both they and the LIM range share a common approach: precise cell construction, advanced materials control and the long-life durability that comes from decades of research, testing and continuous refinement. These principles support the characteristics European customers rely on in GS Yuasa’s industrial lithium-ion technology, used in energy storage systems, AGVs, robotics, UPS installations and other mission-critical applications. 

GS Yuasa’s involvement in the HTV-X1 mission strengthens the broader story behind its European product portfolio. Whether supporting orbital operations or powering essential infrastructure on the ground, GS Yuasa lithium-ion technology is shaped by the same commitment to consistent performance, safety and dependable long-term operation. Insights gained from extreme-environment projects help guide the continued development of the lithium-ion solutions supplied to customers across Europe. 

Eiichiro Kato, Operations & Administration Director of GS Yuasa Battery Europe Ltd, commented: 
“Supporting the HTV-X1 mission is a significant achievement for our engineers worldwide. Space is one of the most demanding environments imaginable, and seeing our technology operate under such conditions is a strong reflection of our capabilities. The knowledge gained from these programmes plays an important role in the development of the lithium-ion solutions we supply across Europe, helping ensure that our products deliver the same consistency and dependability in every application.” 

GS Yuasa continues to advance its lithium-ion technology across a wide range of applications, with the HTV-X1 mission marking another important step in the company’s ongoing contribution to energy-storage innovation. 

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