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 How do I know when my TSA Luggage Lock is fully charged? What Type of Battery does the TSA Luggage Lock Use? What is the difference between the BenjiLock (43MM) and the TSA Luggage Lock? Can I do a Master Reset without the Master User? What is Sleep Mode?