How Long Does a Tag’s Battery Last?

By RFID Journal

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Ask The ExpertsHow Long Does a Tag’s Battery Last?
RFID Journal Staff asked 7 years ago

Suppose RFID tags were set to transmit every 10 minutes. What would be the expected lifespan if they were active tags designed for embedding in metal?

—Name Withheld

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I cannot provide a precise answer, since battery life varies for different types of active RFID systems, and different manufacturers use various batteries with specific lifespans. I would say, generally, that a 10-minute beacon rate is not very high, and that you could probably expect a two- to five-year battery life. You could also work with most active RFID technology providers to find batteries that would last longer, if you needed to. Of course, that would cost more.

—Mark Roberti, Founder and Editor, RFID Journal

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