Button battery voltage working principle

Some lithium batteries are often used as backup power sources for electronic products. Although these batteries are different in thickness and size, they all have a name called "button battery".

For these large and small button batteries, they are often used to separate them. For example, the 3V button battery that is commonly used in practice refers to the CR series battery in most cases, and the 1.5V button battery usually refers to The Ag series battery, we can understand the button battery voltage from the perspective of classification.

In the big family of button batteries, it can also be divided into non-rechargeable batteries and rechargeable batteries. From the button battery voltage, there are roughly the following categories:

Non-rechargeable batteries are: 3V lithium manganese battery (CR) series, 1.5V alkaline button battery (LR series, including Ag series), 1.55V zinc-silver oxide battery button battery (SR) series.

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