Is BenjiLock TSA approved? Denise March 07, 2020 03:17 Follow The BenjiLock 43MM & 52MM models are NOT TSA approved, however out BenjiLock TSA is. For more information on our BenjiLock TSA Model click here. Related articles Full "BenjiLock Instructions" How long does the BenjiLock hold a charge? What type of battery does the BenjiLock use?