How many users/fingerprints can BenjiLock TSA store? BenjiLock Care Team December 24, 2018 20:51 Updated Follow The TSA Lock can store up to 5 separate users/fingerprints. For instructions on how to program additional users/fingerprints click here. Related articles Programming Additional Users What Type of Battery does the TSA Luggage Lock Use? What is the Battery Life Expectancy of the TSA Luggage Lock? How do I know when the battery is getting low? Why didn't I receive keys with my TSA Luggage Lock?