LR621 battery_Sino Technology Manufacturer Group co.,ltd

LR621 battery

The difference between watch battery lr621h and 621sw

The watch battery SR621SW can be replaced by a 1.55v battery as long as it has the same shape and the same voltage, but it is best to use the same model. Button cell (button cell), also known as button cell, refers to a battery that looks like a small button. Generally speaking, it has a larger diameter and a thinner thickness (compared to cylindrical batteries such as No. 5 AA batteries on the market). Button batteries are divided into batteries from the appearance, and the corresponding battery classifications include cylindrical batteries, square batteries, and special-shaped batteries.

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