Aircraft Battery Market Report Scope & Overview:

The Aircraft Battery Market was valued at USD 1.80 Billion in 2025 and is expected to reach USD 3.80 Billion by 2035, growing at a CAGR of 7.80% from 2026 to 2035.

The battery is an essential onboard source of electrical energy used for engine and APU startup, aircraft systems and avionics, lighting, and emergency backup power; and the trend towards an ever-increasing demand on the part of More Electric Aircraft (MEA) configurations to multiply the number of batteries and increase the battery capacity per aircraft continues. With growing eVTOL and Advanced Air Mobility projects, the high-voltage battery pack capabilities and safety cases are becoming mainstream parts of the aviation battery industry landscape.

The Saft AirLion Lithium-Ion Battery has successfully completed the thermal runaway containment test to the DO-311A standard in 2025, which is one of the most significant certification tests for 28-volt lithium-ion aircraft startup and backup power systems.

Market Size and Forecast

• Market Size in 2026E: USD 1.94 Billion

• Market Size by 2035: USD 3.80 Billion

• CAGR: 7.80% from 2026 to 2035

• Fastest Growing Region: Asia Pacific

• Largest Region: North America

Aircraft Battery Market Trends

• Rising lithium-ion retrofit adoption is improving weight, maintenance, and dispatch reliability while enabling health-monitoring and eTechLog integration.

• Growing eVTOL and advanced air mobility programs are pulling high-voltage battery pack capability and rigorous safety cases into the mainstream market.

• Expanding more-electric aircraft architectures are increasing battery counts and capacity per tail through electro-hydraulic brakes and distributed actuators.

• Increasing clarity around DO-311A thermal-runaway containment and DO-160 environmental testing standards is de-risking lithium-ion adoption industry-wide.

• Growing sustainability targets and recycling mandates are reinforcing investment in advanced chemistries and safer battery pack architectures.

U.S. Aircraft Battery Market Outlook

The U.S. Aircraft Battery Market was valued at USD 0.54 Billion in 2025 and is projected to reach USD 1.14 Billion by 2035, growing at a CAGR of 7.80% during 2026-2035.

An abundance of aircraft and business aviation fleets, robust maintenance, repair, and overhaul capabilities, along with regulatory frameworks, is making rapid advances possible in the electrification and pilot projects in the advanced air mobility field in the United States. There are continued expansions in lithium-ion battery retrofits in business aviation and rotorcraft segments by U.S. domestic manufacturers, while there are also increased instances of eVTOL battery projects taking into consideration high-voltage battery packs and safety features. The support from the federal government in domestic manufacturing of cells and demonstrations of electric aircraft is continuing.

EaglePicher was awarded the contract in 2025 by Saab to design and develop a 24-volt lithium-ion main and emergency battery for the Gripen E series aircraft, which marked the company’s first lithium-ion battery use in a Saab aircraft.

Aircraft Battery Market Segment Analysis

• By Type, Nickel-Cadmium led the Aircraft Battery Market with a 42.60% share in 2025, while Lithium-ion is the fastest-growing type segment with a CAGR of 9.00% from 2026-2035.

• By Capacity, Above 20 Ah led the Aircraft Battery Market with a 56.30% share in 2025, while Below 20 Ah is the fastest-growing capacity segment with a CAGR of 8.60% from 2026-2035.

• By Aircraft Type, Commercial Aviation led the Aircraft Battery Market with a 43.80% share in 2025, while UAVs is the fastest-growing aircraft type segment with a CAGR of 9.96% from 2026-2035.

• By Application, Auxiliary Power Unit led the Aircraft Battery Market with a 29.40% share in 2025, while Propulsion is the fastest-growing application segment with a CAGR of 10.20% from 2026-2035.

By Type, Nickel-Cadmium Dominated the Market While Lithium-ion Is the Fastest-Growing Segment

Nickel-Cadmium held the largest market share of 42.60% in terms of revenue share in 2025 due to the established and proven history of Ni-Cd batteries in main aircraft battery applications owing to their reliable performance across a range of temperature variations and harsh operating conditions. The usage of nickel-cadmium batteries in a significant fleet of legacy aircraft remains the key factor behind the dominance of this segment in the Aircraft Battery Market amid the rise of lithium-ion use in modern aircraft designs.

The Lithium-ion segment is expected to witness the highest CAGR of 9.00% during the forecast period of 2026-2035 owing to the higher energy density and lightness along with better charge/discharge performance in comparison with the conventional nickel-cadmium and lead-acid batteries. The clear path for certification in line with DO-311A thermal-runaway standards, coupled with the advancements in battery management systems, have mitigated the risks associated with lithium-ion batteries after some incidents in the early years.

By Capacity, Above 20 Ah Dominated the Market While Below 20 Ah Is the Fastest-Growing Segment

The Above 20 Ah category accounted for the largest market share of 56.30% in 2025, considering the critical nature of high-capacity batteries in ensuring that the energy needs of aircrafts, such as engine starting and long periods of emergency backup power supply, are met. Commercial and military aircraft, which need high-capacity batteries for certification purposes concerning power backup time, have been responsible for maintaining the dominance of the segment within the entire aircraft battery market.

The Below 20 Ah category will witness the fastest growth rate of 8.60% over the forecast period of 2026-2035, supported by increasing demand for small and lightweight batteries for use in UAVs, general aviation and other avionics backup uses. The rising number of drone and small aircraft electrications will drive demand for lighter capacity batteries.

By Aircraft Type, Commercial Aviation Dominated the Market While UAVs Is the Fastest-Growing Segment

The Commercial Aviation segment dominated the Aircraft Battery Market with a share of 43.80% in 2025 owing to the size of the global commercial airline fleet as well as their huge recurring battery replacement and retrofit requirements in narrow body and wide body aircraft. Increasing numbers of commercial aircraft deliveries, along with growing adoption of more electric aircraft system architectures, will continue to underpin the dominance of the Commercial Aviation segment as the largest type of aircraft in terms of battery demand.

The UAVs segment is projected to witness the highest CAGR of 9.96% during the forecast period 2026-2035, owing to the fast-growing use of military and civilian unmanned aerial vehicles that require lightweight and high cycle life batteries. The continued trials of delivery drones, reconnaissance drones in the military, and commercial applications of UAVs in agriculture, inspection, and logistics will continue to drive the growth of this segment.

By Application, Auxiliary Power Unit Dominated the Market While Propulsion Is the Fastest-Growing Segment

The Auxiliary Power Unit (APU) segment dominated the Aircraft Battery Market, holding a revenue share of 29.40% in 2025 owing to the mandatory and critical nature of APU batteries for starting up of the engines in virtually all commercial and military aircraft that require self-sufficiency with regard to ground power and engine start-up capability. APUs batteries are an established mandatory application across the entire aircraft fleet globally, thus maintaining its dominance in the broader aircraft battery application market.

Propulsion segment will exhibit the highest CAGR of 10.20% in 2026-2035 owing to the fast development of electric and hybrid-electric aircraft that need larger battery cell packs due to the mandatory aviation industry safety requirements. Development of the electric vertical take-off and landing (eVTOL) and advanced air mobility as well as hybrid electric regional aircraft programs continues to drive high growth rate of the propulsion segment amidst the ongoing electrification of aviation industry.

Regional Analysis

North America Aircraft Battery Market Insights

North America held the largest regional share of the Aircraft Battery Market in 2025 at 35.20% of global revenue, supported by a deep airline and business aviation fleet, strong MRO networks, and clearer regulatory pathways that continue to accelerate electrification and advanced air mobility pilots. The region's mature aerospace manufacturing base and substantial federal support for domestic cell production continue to reinforce its leadership position across the broader aircraft battery landscape.

The United States accounted for approximately 84.60% of the North American market in 2025, reflecting its concentration of leading aircraft battery manufacturers and substantial commercial and defense aviation procurement activity. Canada is contributing to regional growth through steady general aviation and rotorcraft demand and growing participation in North American aerospace electrification programs.

Europe Aircraft Battery Market Insights

Europe was a significant player in the Aircraft Battery Market in 2025, owing to the high presence of manufacturers of commercial and business aviation and increasing investments in research and development of high-voltage batteries for hybrid-electric regional aircrafts. EU's aggressive carbon emission targets further help drive investments in aircraft electrification technologies among the European aerospace manufacturers.

France accounted for the highest regional market share of 23.80% in Europe in 2025, owing to its significant presence of leading global aerospace and battery manufacturers. Germany, the UK, and Sweden are some other players contributing significantly to the regional market growth, owing to their strong presence of commercial and defense aviation manufacturers and research in hybrid-electric aircrafts.

Asia Pacific Aircraft Battery Market Insights

Asia Pacific is projected to register the fastest CAGR during the forecast period 2026-2035, propelled by China's low-altitude economy blueprint and manufacturing scale, which produces the substantial majority of global lithium-ion output, alongside Japanese all-solid-state breakthroughs and Korean cathode expertise reinforcing regional self-sufficiency. Rising domestic aircraft manufacturing continues to reinforce the region's above-average growth trajectory relative to more mature Western markets.

China accounted for approximately 38.60% of the Asia Pacific market in 2025, supported by its dominant position in global lithium-ion cell manufacturing and rapidly expanding domestic aviation and drone industries. Japan and South Korea are also contributing meaningfully to regional growth, with Japan advancing solid-state battery technology and South Korea reinforcing cathode material expertise.

Middle East & Africa and Latin America Aircraft Battery Market Insights

Middle East & Africa is showing consistent growth owing to carrier fleet expansion and increasing investment in the aviation electrification in Gulf countries. Similarly, Latin America is experiencing growth owing to the expansion of commercial aviation and increasing investment in the modernization of the carrier fleet.

In the Middle East & Africa market, UAE occupied a regional market share of 24.60% in 2025, backed by carrier fleet expansion and investment in advanced air mobility infrastructure. In the Latin American market, Brazil accounted for 26.40% in 2025 owing to the expansion of domestic commercial aviation, with Mexico also contributing to the growth of the region in terms of aerospace manufacturing investment.

Market Dynamics

Growth Drivers: More-Electric Aircraft Architectures and Advanced Air Mobility Driving Market Growth

The Aircraft Battery Market is being driven primarily by expanding more-electric aircraft architectures that increase battery counts and capacity per tail, rising eVTOL and advanced air mobility program development requiring high-voltage battery pack capability, and growing lithium-ion retrofit adoption improving weight and dispatch reliability. Aircraft manufacturers and operators increasingly view advanced battery technology as essential infrastructure for meeting sustainability targets and operational efficiency objectives rather than a discretionary upgrade.

Clearer certification pathways, including DO-311A thermal-runaway containment and DO-160 environmental testing standards, combined with improved battery management systems, continue to de-risk lithium-ion adoption following early industry safety incidents. Growing sustainability targets and recycling mandates are further reinforcing investment in advanced chemistries and safer pack architectures. Rising digitization of asset monitoring and lifecycle management processes is also expanding the value proposition of modern aircraft batteries.

Restraints: Certification Bottlenecks and Supply Chain Dependencies Limiting Market Expansion

Despite favorable underlying demand, the market faces meaningful restraints related to a limited pool of certification engineers and test facilities that forces suppliers to sequence rather than parallelize abuse tests, software validation, and regulatory review, stretching program cycles and raising non-recurring engineering costs considerably. This certification throughput bottleneck continues to constrain the pace at which new battery technologies can reach market despite strong underlying demand.

Material reliance on imported lithium and rare-earth elements exposes the industry to persistent supply-chain risk, particularly given China's dominant position across the global lithium-ion supply chain from raw material processing through cell manufacturing. Geopolitical realignments and strategic mineral dependencies continue to reshape aircraft battery supply chains, creating cost and availability uncertainty for manufacturers reliant on internationally sourced battery materials.

Opportunities: Solid-State Technology and eVTOL Market Development Creating New Growth Avenues

Substantial opportunity exists in the continued advancement of solid-state battery technology, which offers superior safety characteristics and energy density relative to conventional lithium-ion chemistries as the technology matures toward commercial aviation readiness. Manufacturers that successfully commercialize aviation-grade solid-state batteries stand to capture significant early-mover advantage as the industry seeks safer, higher-performance alternatives to existing chemistries.

Growing eVTOL and advanced air mobility market development presents a further significant growth avenue, as these emerging aircraft categories require multi-hundred-kilowatt-hour battery packs representing substantial new addressable demand beyond traditional aircraft battery applications. Expanding UAV and drone-delivery trials across emerging markets in Asia Pacific also represent meaningful untapped opportunity for aircraft battery manufacturers.

Recent Developments:

• 2025: Saft's AirLion lithium-ion battery passed the DO-311A thermal-runaway containment test, a key certification hurdle for 28-volt lithium-ion aircraft start and backup power systems.

• 2025: EaglePicher announced an expansion of its manufacturing capabilities to support increasing demand for advanced batteries used in aerospace and defense applications.

• 2025: EaglePicher was selected by Saab to design and develop a 24-volt lithium-ion main and emergency battery for the Gripen E-series fighter aircraft.

• 2025: Saft continued expanding deployment of its 28-volt lithium-ion aviation battery, offering more than twice the energy density of lead-acid batteries within the same weight.

Aircraft Battery Market key players are:

• Saft Groupe SAS (TotalEnergies)

• EaglePicher Technologies, LLC

• Concorde Battery Corporation

• EnerSys

• GS Yuasa International Ltd.

• Marathon Norco Aerospace, Inc.

• Safran S.A.

• Honeywell International Inc.

• True Blue Power (Mid-Continent Instrument Co.)

• Panasonic Corporation

• Samsung SDI Co., Ltd.

• LG Energy Solution Ltd.

• CBAK Energy Technology, Inc.

• Electric Power Systems (EPS)

• Thales Group

• Teledyne Technologies Incorporated

• Gill Battery

• Parker Meggitt/Securaplane

• Collins Aerospace (RTX Corporation)

• Tadiran Batteries

Aircraft Battery Market Report Scope: