What is the Battery Life Expectancy of the TSA Luggage Lock? Denise March 07, 2020 03:18 Follow Under normal use, the battery should hold a charge for up to 6 months. (Normal Use = Roughly 5 activations per day.) Related articles What does TSA stand for? Downloadable PDF Full "BenjiLock Instructions" Why didn't I receive keys with my TSA Luggage Lock? What is Sleep Mode?