How Long can IB's security device last?

Quote from tyrant:

How long can IB's security device last? How many times can it generate a number before it is flat?

Odds are that you will lose it before the battery goes. Lasts a long time.
 
lasted a year for me, used daily. keeps working but a hitch that attaches it to a keychain broke off a few months ago.
 
Quote from tyrant:

How long can IB's security device last? How many times can it generate a number before it is flat?

I was told that 10 years is the expected lifetime for the battery.
 
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