The SR721SW battery is a small, silver oxide battery that was first introduced in the early 1960s. It was developed by the Japanese company, Sony, and was the first of its kind to be used in consumer electronics. The SR721SW was the first battery to be used in the Sony Walkman, and it quickly became the standard for portable electronics.
Typical Chemistry #
The SR721SW battery is a silver oxide battery, which is composed of a zinc anode, a silver oxide cathode, and an alkaline electrolyte. Silver oxide batteries are known for their high energy density and long shelf life, making them ideal for use in small, portable electronics. The SR721SW has a nominal voltage of 1.55V and a capacity of 30mAh.
Typical Use #
The SR721SW battery is most commonly used in small, portable electronics such as watches, calculators, and hearing aids. It is also used in some medical devices and in some toys. The SR721SW is a popular choice for these applications due to its small size and long shelf life.
The SR721SW battery is a small, cylindrical battery with a diameter of 7.9mm and a height of 2.1mm. It has a nominal voltage of 1.55V and a capacity of 30mAh. The battery is designed to be used in small, portable electronics and is available in a variety of sizes and shapes. It is also available in a variety of colors, including silver, black, and blue.