Top Key Fob Battery Brands: Powering Convenience with Reliability

In today’s fast-paced world, keeping your key fob functional is essential for seamless access to your vehicle. A reliable key fob battery ensures that you're never left stranded, locking or unlocking doors with ease and starting your engine without a hiccup. With numerous brands available on the market, selecting the best key fob battery can be daunting, but making the right choice guarantees longevity and performance. Join us below as we explore some of the top brands renowned for their quality and reliability in key fob batteries.

Illustration of key fob battery

Best brands of key fob battery in 2025

Duracell

Duracell is a leading producer of alkaline batteries, including those used in key fobs, known for their high energy output and long shelf life. The company's Duracell Ultra batteries offer up to 100% more power due to their optimized design, launched in February 2019. Duracell dominates the market with a strong product portfolio and extensive distribution network, particularly in the consumer electronics segment. By 2032, the global alkaline battery market, in which Duracell is a major player, is projected to grow to $13.70 billion at a CAGR of 5.84% from 2024. Duracell's AA and AAA batteries are among the bestselling sizes, contributing significantly to the company's market share.

Energizer

Energizer is a leading producer of key fob batteries, known for its high-quality and long-lasting products. The company's Energizer MAX family batteries, particularly the AA and AAA sizes, are bestsellers and have contributed significantly to the growth of the alkaline battery market, which is projected to reach USD 13.70 billion by 2032 with a CAGR of 5.84%. Energizer's strong foothold in the global market is due to its robust product portfolio and extensive distribution network. The company's batteries are widely used in consumer electronics, including key fobs, remote controls, and other devices. Energizer's dominance in the market is further reinforced by its presence in both developed and emerging countries.

Panasonic

Panasonic is a renowned brand in the battery industry, known for its high-quality products, including key fob batteries. In the global EV battery market, Panasonic holds a significant position, capturing a 6.4% market share in 2023 and delivering 35.2 GWh of EV battery power year-to-date. However, for consumer batteries, Panasonic is a leader in innovation and reliability, with a strong presence in the North American market and a global reputation for durability and performance. The company's batteries are favored for their cost-effectiveness and reliability, making them a popular choice for various applications, including consumer electronics and household devices. Panasonic's commitment to quality and innovation ensures that its batteries meet the high standards expected by consumers.

Sony

Sony is recognized as a leading producer of high-quality batteries, including those used in key fobs, due to its innovative technology and reliable performance. In the consumer electronics batteries market, Sony is among the key players, with the market expected to reach $61.3 billion by 2032, growing at a CAGR of 16.2% from 2022 to 2032. Sony's batteries are known for their long shelf life and high capacity, making them ideal for small electronic devices. The company's commitment to product innovation and collaboration has contributed to its strong market presence. For instance, Sony's lithium-ion batteries have seen significant improvements, with energy density increasing by more than 200% since their commercialization in 1991.

Maxell

Maxell, a renowned brand in the battery industry, is particularly noted for its high-quality key fob batteries, especially its lithium manganese dioxide batteries. These batteries, such as the CR17500AU, boast a higher capacity than other available lithium manganese dioxide batteries, making them ideal for IoT devices and other small electronic applications. Maxell's innovative electrode technology has significantly enhanced the energy density and performance of these batteries. With a substantial market presence, Maxell is among the key players in the coin cell batteries market, which is expected to grow at a CAGR of 3.5% from 2023 to 2033. Maxell's products are widely used in consumer electronics, medical devices, and industrial applications, highlighting their versatility and reliability.

Renata

Renata, a renowned brand in the battery industry, is highly regarded for producing high-quality key fob batteries. As a key player in the primary lithium batteries market, Renata holds a significant share, contributing to the global market valued at $2.5 billion in 2022, projected to reach $3.9 billion by 2032 with a CAGR of 4.7%. Renata's batteries are known for their reliability and long shelf life, making them a preferred choice for various applications, including consumer electronics and medical devices. The brand's commitment to innovation and quality has earned it a place among the top battery manufacturers, such as Energizer and Duracell. Renata's products are widely used in diverse sectors, reflecting its strong market presence.

Rayovac

Rayovac is a leading producer of key fob batteries, renowned for its high-quality and reliable products. The company holds a significant market share, with over 60% of the worldwide hearing aid battery market and 80% of the batteries sold in the North American professional channel. Rayovac's global presence is substantial, with sales and distribution in 115 countries and relationships with major retailers like Walmart and Target. Their innovative battery technologies, such as the I-C3 rechargeable battery, offer rapid charging and up to 1,000 recharge cycles. This expertise extends to other battery types, making Rayovac a trusted brand for various electronic devices.

Varta

VARTA is renowned as one of the best producers of key fob batteries, particularly with their CR2032 lithium batteries, which offer 70% more energy for extended use and a guaranteed shelf life of up to 10 years. These batteries are used by BMW MINI themselves and are compatible with various MINI models such as the F54 Clubman, F55 5-Door Hatch, and F56 3-Door Hatch. VARTA's high-performance batteries ensure reliable and long-lasting performance, making them a preferred choice for small devices like car keys, watches, and remote controls. The company's commitment to quality is reflected in its widespread use and customer satisfaction. VARTA's batteries are designed to operate efficiently across a wide range of temperatures, enhancing their usability.

Toshiba

Toshiba, a renowned leader in the battery industry, is a top producer of high-quality key fob batteries, known for their reliability and long battery life. The company's button cell batteries, including those used in key fobs, are part of a market expected to grow at a CAGR of 6.3% from 2024 to 2030, reaching a market size of US$ 7163 million by 2030. Toshiba's advanced battery technologies, such as lithium- and silver oxide-based button cells, enhance energy density and voltage stability. The company's strong presence in the global market, particularly in Asia-Pacific which holds over 45% of the market share, underscores its commitment to innovation and customer satisfaction. As a key player, Toshiba continues to drive the growth of the button cell battery market.

GP Batteries

GP Batteries is a prominent player in the rechargeable batteries market, known for its high-quality products, including key fob batteries. As part of the expanding global rechargeable batteries market, which is projected to grow from USD 87.18 billion in 2024 to USD 135.52 billion by 2031, with a CAGR of 6.50%, GP Batteries, alongside major brands like Panasonic and Energizer, significantly contributes to this growth driven by increased consumer electronics usage and technological advancements in battery life and charging efficiency. The Asia-Pacific region, where GP Batteries operates, holds a significant market share, over 45% in the button cell batteries market, indicating strong demand for such products. GP Batteries' focus on innovation and partnerships aids in maintaining its market position. For more details about their offerings, visit their official website.