History #

The SR44W battery is a silver oxide battery that was first introduced in the late 1950s. It is a small, round battery with a diameter of 11.6mm and a height of 5.4mm. It is also known as the 357, SR44, or 303 battery. It is a popular choice for small electronic devices such as watches, calculators, and hearing aids.

Typical Chemistry #

The SR44W battery is a silver oxide battery, which means that it contains a silver oxide cathode and a zinc anode. The electrolyte is a potassium hydroxide solution. This combination of materials gives the battery a high energy density, making it a good choice for small devices.

Typical Use #

The SR44W battery is most commonly used in small electronic devices such as watches, calculators, and hearing aids. It is also used in some medical devices, such as glucose meters. The battery is also used in some cameras and other small electronic devices.

Design #

The SR44W battery is designed to be small and lightweight. It has a diameter of 11.6mm and a height of 5.4mm, making it one of the smallest batteries available. The battery is also designed to be reliable and long-lasting, with a shelf life of up to 10 years. The battery is also designed to be safe, with a low risk of leakage or explosion.

The SR44W battery is also designed to be easy to use. It is a single-use battery, meaning that it cannot be recharged. It is also designed to be easy to install and replace, making it a popular choice for small electronic devices.