The common types of button batteries are as follows:

1. Button batteries generally have two types: rechargeable and non-rechargeable. The rechargeable ones include 3.6V rechargeable lithium-ion button batteries (LIR series), 3V rechargeable lithium-ion button batteries (ML or VL series) ; Non-charging includes 3V lithium-manganese button batteries (CR series) and 1.5V alkaline zinc-manganese button batteries (LR and SR series).

2. The more common button batteries are AG3, AG30, AG33 batteries used in toys and gifts, and batteries on computer motherboards. The model is CR2032 for CR2025 in electronic dictionaries, and CR2016 or SR44, SR626 for electronic watches. wait.

3. The English letter in front of the model name of the button battery indicates the type of the battery, the number indicates the size, the first two numbers indicate the diameter, and the last two numbers indicate the thickness.

Common typical models are: 6F22(9V), 4F22(6V), 15F20(22.5V), 10A(9V), 11A(6V), 23A(12V), 25A(9V), 26A(6V), 27A(12V) ), 476A(6V), 120H7D(8.4V), 2X625A(3V) and so on.