PUBLISHER: Mordor Intelligence | PRODUCT CODE: 2124520
PUBLISHER: Mordor Intelligence | PRODUCT CODE: 2124520
According to Mordor Intelligence, the Japan battery market size is expected to increase from USD 3.82 billion in 2025 to USD 3.99 billion in 2026 and reach USD 4.91 billion by 2031, growing at a CAGR of 4.25% over 2026-2031.

This report Segments the Industry Into Battery Type (Primary Batteries and Secondary Batteries), Technology (Lead-Acid, Lithium-Ion, Nickel-Metal Hydride, Nickel-Cadmium, Sodium-Sulfur, Solid-State, and More), and Application (Automotive, Industrial, Portable, Power Tools, SLI, and Others). The Market Sizes and Forecasts are Provided in Terms of Value (USD).
Panasonic activated a 32-gigawatt-hour Kansas line in July 2025 that applies dry-electrode coating and nickel-rich cathodes to cut cost per kilowatt-hour by half during the early 2030s. Prime Planet Energy Solutions relies on those process gains while commissioning a Himeji prismatic-cell line in 2026, positioning the venture to displace South Korean imports in plug-in hybrids. GS Yuasa is scaling a Kyoto facility to 1 gigawatt-hour and parallel-piloting solid-state output, demonstrating that unit economics remain the gating factor for market share. Domestic manufacturers thus wager that automation and yield gains will outrun raw-material cost pressure and close the price gap with Chinese lithium iron phosphate cells priced near USD 60 per kilowatt-hour. Success would keep the Japan battery market on its current growth trajectory and preserve high-value manufacturing jobs.
Tokyo earmarked USD 2.4 billion across 12 battery projects in September 2024, underscoring that energy storage is treated as national infrastructure rather than discretionary hardware. The Long-term Decarbonization Auction awarded JPY 9 billion in 10-year capacity payments during 2024, removing revenue uncertainty for aggregators deploying behind-the-meter batteries. A Tokyo subsidy of up to JPY 150,000 per residential unit lifted the city's 2024 installation count above 50,000 systems, triple the national average. These stacked incentives anchor demand for stationary batteries and enable suppliers such as NGK Insulators to secure multiyear offtake contracts with Tokyo Electric Power Company. Mandatory interoperability and cybersecurity standards issued by METI guide product roadmaps, ensuring that subsidy recipients invest in upgradeable, grid-ready platforms.
China supplied about 90% of Japan's natural graphite imports in 2024, and October 2023 export controls caused a 35% price spike that persisted through early 2024. Nickel sulfate exposure has risen as cobalt content falls, yet 60% of refined nickel still arrives from Chinese smelters. JOGMEC's 2024 equity stakes in Chilean lithium and Australian nickel projects hedge supply risk but offer little relief to near-term pricing. Until diversified offtake agreements mature, raw-material shocks could curb profitability and slow capacity expansions inside the Japan battery market.
Other drivers and restraints analyzed in the detailed report include:
For complete list of drivers and restraints, kindly check the Table Of Contents.
Secondary batteries captured 91.2% of the Japan battery market share in 2025, and the segment is set to grow at 4.6% through 2031 as high-cycle lithium titanate and fast-charge lithium-ion solutions align with industrial and automotive duty cycles. Primary cells remain useful where five-year replacement intervals or extreme temperature tolerance matter, but revenue contribution keeps sliding. Regulatory frameworks favor rechargeables because extended producer responsibility applies to those chemistries. Maxell's transfer of its micro primary line to Murata in June 2025 signals a broader exit from low-margin niches. The Japan battery market size tied to primary formats will therefore keep contracting.
Primary batteries do retain footholds in sub-zero utility metering and offshore sensing, where lithium thionyl chloride outperforms lithium-ion electrolyte stability. Even so, no Japanese player announced new capacity beyond maintenance capital in 2025, suggesting replacement demand alone sustains output. Rechargeable suppliers enjoy design-in advantages across automotive, energy storage, and power-tool applications, locking customers into multi-year contracts that underpin volume visibility.