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 Downloadable PDF Full "BenjiLock Instructions" What does TSA stand for? What is Sleep Mode? What type of Batteries are Airline Passengers allowed to carry? Why didn't I receive keys with my TSA Luggage Lock?