Button batteryIt is widely used in various industries in our lives. Common battery types include AA battery (D-type battery), AA-type battery (C-type battery), and AA-type battery (AA-type battery). It took 7 Tianshi batteries (AAA type batteries), 9V batteries (MC batteries, PPP3 batteries), and finally button batteries with smaller volumes. Below, the editor of Dongzan.com will lead everyone to learn about button batteries.

1. Classification of button batteries

The common button batteries currently on the market are mainly divided into two categories, primary rechargeable batteries and secondary rechargeable batteries. Primary rechargeable batteries mainly include 1.4V zinc-air batteries, 1.9V LR alkaline batteries, and 3V SR silver oxide batteries. , 3V CR lithium battery, etc.; secondary rechargeable batteries mainly include 3.7V LIR battery, Ni-MH nickel metal hydride battery, Ni-Cd nickel cadmium battery, etc.

2. Acquisition of button batteries

When purchasing button batteries, be sure to read the mercury content label on the battery casing. You must understand that a mercury-containing battery can pollute more than 40,000 yuan per cup of water. Like "zinc-grade" button batteries, due to manufacturing and processing Due to the process, mercury may be contained, such as alkaline batteries, silver oxide batteries, zinc-air batteries, etc.

3. Selection of button batteries

Speaking of the environmental pollution hazards of mercury-containing batteries, when using button batteries, choose a battery type that is suitable for the environment according to the actual situation, and try to avoid selecting mercury-containing button batteries to avoid causing unnecessary air pollution. Primary batteries Rechargeable batteries and secondary batteries must be distinguished and valid standards must be used.

The above is the sharing of key points about the classification and purchase of button batteries. Regarding this matter, do you have a clearer understanding of button batteries? Protecting the ecological environment starts with me, let us effectively standardize it together. The application of button batteries.