Alexander/Ryan Marine and Safety is a certified Battery Replacement Center.  We can provide and replace the battery for your ACR device as well as test it's functionality and airtight seal.  Alexander/Ryan is also an EPIRB programming center.  We will program your new EPIRB or SART and reprogram your existing instrument.  Alexander/Ryan takes utmost care to ensure that proper functioning of your ACR Electronics device.  It's your safety, your life.