10 Best Watch Batteries 2026 in the United States

The Energizer Lithium CR2 batteries are a solid choice for devices like cameras, calculators, and memory backups that need a reliable and long-lasting power source. These batteries use lithium chemistry, which typically provides a higher voltage of 3 volts and a longer life compared to standard alkaline batteries. They feature a low self-discharge rate, meaning they hold their charge well when stored—up to 10 years at room temperature—making them great for emergency or backup use.

With a compact size designed for photo and tech gadgets, these batteries deliver consistent energy even in extreme temperatures, supporting devices that require precise and stable power. Energizer is a well-known and trusted brand, which adds confidence in performance. On the downside, these CR2 batteries are single-use and cannot be recharged, so they will need to be replaced once drained. Additionally, the specific model in this listing is discontinued, so availability might be limited in some places.

If you need dependable, long-lasting lithium batteries for your tech devices and prefer buying from a reliable brand, these Energizer CR2 batteries provide a good option—just keep in mind they are disposable and may be harder to find in the future.

The EXMUMCMR 295-5100 battery is designed as a direct replacement for many Citizen Eco-Drive watch capacitors, making it a solid choice if your watch matches one of the supported models listed. It uses a rechargeable lithium-polymer cell known for maintaining about 98% charge for over two years, which helps your watch keep accurate time under various conditions. The battery is compact and fits the original size requirements, so installation is straightforward.

It also includes safety features like protection against overcharge, overheating, and short circuits, which adds peace of mind and helps protect your watch. However, this battery requires regular exposure to strong light to recharge properly, so if the watch is stored in the dark for long periods, the battery life could shorten. While it has a decent 300mAh capacity and comes with a one-year warranty, the product’s brand, EXMUMCMR, is less well-known compared to original manufacturers, which might concern some buyers about long-term reliability.

If you want a cost-effective and compatible replacement that keeps your Citizen Eco-Drive running smoothly, this battery performs well, provided you follow proper light charging habits and handle it carefully.

The Energizer 395/399 Silver Oxide batteries come in a pack of five and are designed primarily for watches, but they can also be used in calculators, cameras, and other small electronics. These batteries use silver oxide chemistry, which is known for stable voltage and longer shelf life compared to alkaline batteries. Each battery provides 1.5 volts and has a capacity of about 51 milliamp hours, which is typical for this size and type, ensuring a reliable power supply for everyday watch use.

Energizer is a well-known and trusted brand, and these batteries are made in the USA, which can be a plus for those valuing quality and manufacturing standards. They have received positive customer feedback, with a high rating reflecting dependable performance. On the downside, these batteries are single-use and not rechargeable, so you’ll need to replace them when they run out. Also, while the pack contains five batteries, frequent watch users might find this quantity limiting over time.

This Energizer battery pack represents a solid choice if you want long-lasting, consistent power for your watch or similar devices, backed by a reliable brand. If you want rechargeable options or larger quantities, you might want to explore other products.