LR621 battery_Sino Technology Manufacturer Group co.,ltd

LR621 battery

What does watch battery lr621h mean

LR621H is a silver oxide button battery, not a rechargeable battery. It is usually used in some small electronic devices, such as watches, calculators, toys, etc. This kind of battery has the characteristics of larger diameter and thinner thickness, compared with cylindrical batteries such as No. 5 AA batteries on the market.

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