FBRS 2880 & 2881 Battery Replacement Service - PLB-375 ResQLink™/ResQLink+™For:ResQLink™/ResQLink+™Includes:1103 Battery, Parts, Labor and Test Verification ReportACR EPIRB batteries should be replaced every 5 years to ensure proper functioning when needed. Turnaround time for EPIRB services averages three days from receipt when all components are in stock.Battery replacement service for PLBs includes a full physical integrity check, pressure test, data transmission test, replacement of seal and o-rings, installation of the new battery, and disposal of the old battery.