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Maxell develops all-solid-state battery module compatible with ER battery dimensions
Thursday, January 22, 2026 at 06:40 AM
Maxell has developed an all-solid-state battery module featuring a 3.6V output voltage and 35mAh capacity. The module is designed to be size-compatible with existing ER batteries, targeting industrial equipment applications.
Context
Maxell has developed a new all-solid-state battery module featuring a 3.6V output voltage and 35mAh capacity, designed to be dimensionally compatible with standard ER batteries. This breakthrough allows industrial manufacturers to replace traditional primary lithium thionyl chloride batteries with solid-state alternatives without redesigning existing hardware. By providing a drop-in replacement, Maxell is accelerating the transition to safer, more durable power sources for industrial IoT and sensor applications.
The move is strategically significant as the semiconductor and AI supply chains increasingly demand long-lasting, heat-resistant components for edge computing and automation. These modules offer superior reliability in harsh environments compared to liquid-electrolyte batteries, supporting a longer lifecycle for industrial equipment. This development positions Maxell as a leader in the commercialization of solid-state technology, moving the sector beyond laboratory prototypes into standardized solutions for high-volume industrial infrastructure.
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