Best Silver Oxide Coin & Button Cell Batteries in 2022

Silver Oxide Coin and Button Cell Batteries

When choosing between silver ion and lead ion battery types, you should keep in mind certain key features that make them superior to their alternatives. These include high energy density, stable discharge characteristics, low mercury content, and reliability. In this article, we'll discuss some of the key features of these battery types. Read on to learn about their pros and cons and choose the best one for your needs.

High energy density

Compared to conventional battery types, silver oxide coin and button cells have high energy density per volume. They are used in medical devices and quartz watches, and offer a stable operating voltage. They can also handle high current loads and long shelf lives. Their high energy density makes them an excellent choice for a variety of applications, from portable electronics to appliances. They are available in a range of sizes, from coin size to larger button cell batteries.

While alkaline and silver-oxide batteries have similar dimensions and nominal voltage, they differ in their capacity, self-discharge rate, and operating temperature range. Alkaline batteries, which are inexpensive but have inferior energy density, are commonly used in a variety of devices, such as watches, electronic dictionaries, and electronic toys. In addition to coin cells, these batteries can also be recharged by using a charger, so they are an excellent choice if you are looking for an inexpensive replacement.

A primary coin cell battery, known as a button cell, is a small, flat primary battery. It is made of silver oxide and zinc, with an alkaline electrolyte. Its high energy density makes it suitable for portable devices, including wristwatches. A silver oxide coin or button cell battery can be used in a variety of applications. For example, a coin cell battery used for portable radios can be recharged with a single charge, while a button cell with a higher capacity can last for several days or even more than two weeks.

Stable discharge characteristics

The 3.2mm thick silver oxide coin cell is widely used in toys, calculators, medical devices, and BLE products. The stable discharge characteristics of this type of battery make them an ideal low-voltage power source. Silver oxide coin cells are also known as button cells because of their high energy-to-weight ratio. However, the main disadvantage of button cells is that they are not suited for high-performance applications.

The IEC prefix 'SR' stands for "Stable discharge". The voltage of a silver oxide battery will fall over one hour, a process known as self-discharge. The 'cliff-edge' occurs when the battery's voltage falls quickly, whereas the'slope' graph shows a gradual loss of voltage. A battery's capacity and voltage are closely related. The higher the mAh rating, the longer the battery can hold its charge.

A good coin cell battery has a high capacity compared to alkaline or carbon button cell batteries. It also has a leak-proof effect. A button cell's voltage remains stable at around 1.45V for an extended time. However, the mercury content in silver oxide button cell batteries is still present due to the manufacturing process. Therefore, the battery should be used with care. Unlike alkaline and carbon button cells, these button cells are safe to use and are designed for long-term storage.

One of the most important aspects of battery life is voltage. All batteries are measured in volts DC (direct current), but the exact voltage depends on the chemical composition of the battery. Lithium batteries have a nominal output of three volts, while silver oxide batteries typically have a voltage of 1.5 volts. Before purchasing a new battery, make sure it will fit the device you are replacing it with. The instructions for replacing a battery are usually found on the product itself.

Small amount of mercury

Buttons, alkaline manganese and silver oxide coin and button cell batteries may contain small amounts of mercury. Because of this, it is important to recycle them instead of disposing of them in the garbage. Buttons can escape the disposal process and end up in landfills, groundwater and drinking water sources. Small businesses should be sure to dispose of mercury-containing devices properly. Small amounts of mercury in button cell batteries are not harmful to humans.

Although the government has banned mercury-containing batteries, their use has declined. Button cells and coin cells are the most common types of batteries used in consumer electronics. These batteries are safer than other types of batteries, and can last for years. Many consumers don't even know that these batteries contain mercury. However, mercuric-oxide batteries are not sold to the public and are prohibited by federal law.

Although sales of these batteries are regulated, the use of these products is not. And button cell batteries aren't recycled. According to NEMA, about 339 million button cell batteries with mercury-content were sold in the United States in 2002, excluding the ones imported from other countries. There are also a number of problems related to mercury in button cells, including the fact that only a small amount of the mercury found in these batteries is disposed of properly.


The VARTA Silver Oxide Button Cells are designed to deliver stable voltage and outstanding performance in a variety of electronic applications. These batteries are mercury-free and are the preferred power source for a wide variety of miniature medical devices and OEMs. This company has been manufacturing button cells for over 30 years, and its advanced technology and leak-resistant processing make VARTA silver oxide batteries the most reliable low-voltage power sources on the market.

Duracell Silver Oxide Coin & Button Cells are reliable and feature a three-year guarantee against deterioration during storage. Duracell Silver Oxide Coin & Button Cell Batteries are also excellent choices for specialty devices. With their reliable power, they are a durable and long-lasting solution for any electronic device. They are also suitable for electronic toys, medical equipment, watches, and key fobs.

LR/SR627SW and SR577 are among the best-quality coin/button cell batteries on the market. Many leading brands produce them and they can easily be found online. Whether you need a button cell battery for your calculator or for your remote control, these batteries are a reliable and cost-effective choice. They can even last for up to five years if stored properly.


For daily portable power, you can trust Duracell Silver Oxide coin & battery cells. Duracell Silver Oxide coin & button cell batteries are perfect for calculators, handheld games, watches, and much more. They are available in a wide range of sizes, from AA to AAA. When you purchase a new Duracell battery, make sure to store it in its original packaging at room temperature and keep it out of direct sunlight. Be sure to choose the right size, type, and quantity of batteries and replace them in your battery charger at the same time. Also, make sure that the minus (-) and plus (+) terminals of the battery are aligned with one another.

Duracell Silver Oxide coin & battery cells are the widest and most popular type of button & coin cell batteries. They're also commonly used in wristwatches, key fobs, and digital calipers. These thin cylindrical batteries are usually designed with a long service life in mind, and most have low self-discharge. The only downside to button cells is that they tend to dry out after a few weeks, so they're not a great choice for long-term storage.

Unlike most coin & button cell batteries, Duracell Silver Oxide button batteries are designed to last for years. These batteries are guaranteed against deterioration for four years when stored properly. They also provide reliable power for your watch, computer, calculator, hearing aid, and keyless entry devices. Duracell Silver Oxide coin & button cell batteries are a trusted brand that won't fail you.


You can count on the longevity of Panasonic Silver Oxide Coin & Button cells. Even the tiniest button cell can keep your watch running for 3 to 5 years. These batteries are similar in size and shape to Alkaline Coins and Lithium Coins. This means that they can be used in devices that take either type. But if you're looking for the best battery, choose the Lithium version.

The size of the coin and button cell battery is determined by a two or three-digit code that indicates the cell's diameter and height. The first one or two digits represent the outer diameter, measured in whole millimeters. The standard specifies the exact diameters for each type, so the initial 9 means 9.5 mm in diameter. The last two digits represent the overall height in tenths of a millimeter.

The button cell is one of the most common types of coin cell batteries, with a variety of applications. Its size and shape make it ideal for many common items, including wrist watches, hearing aids, calculators, and heart-rate monitors. Buttons cells must provide enough power without compromising their service life, so they come in two variations: disposable and rechargeable. Button cells are available in both alkaline and silver oxide varieties, with the former having a lower self-discharge and a higher capacity than the latter.

Darin James

Management / Engineering / Technical Writer. Having an overlapping of nine years field service, seven years management, seven years electronic design, and six years technical writing experience.

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