What is the difference between battery LR521A and 521A?
There
are two types of batteries, LR521A and 521A, and some batteries can be
used in many types and types. Such as: Sony SR521SW watch battery can be
used for electronic 379 button battery AG0/521A/LR521/179 zero battery,
as long as the electronic model is the same as this battery, one battery can be used
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AG30 battery
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LR921 battery
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LR521 battery
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