Make sure your dog’s receiver collar is always charged with the PetSafe® Receiver Charger. With this USB charger cord, your dog’s rechargeable receiver collar will be fully charged in just 2-3 hours. This charger is compatible with the USB Replacement Wall Adaptor which is sold separately. To see if this receiver charger is compatible with your pet’s collar, check the compatibility list below. Trust PetSafe® to keep your pet healthy, safe and happy.