NOTE: This item only covers the PLB battery replacement labour. The battery itself is sold separately. Once the battery and labour is charged you can send in your PLB for service and replacement.Typical service or battery replacement for a PLB unit usually take 2-5 working days from receipt.We are a fully qualified and specialist McMurdo & Ocean Signal PLB Battery Replacement Centre.You can purchase this item online and send in your PLB separately to:CH Marine Ltd,Marsh Rd,Skibbereen,Co Cork, IrelandP81R230Tel +353 28 23190Please quote order number when sending the Beacon