Replacement Battery are to be used with both the Humane Contain MS-4 and MS-5 ultrasonic training collars. Long life lithium cell lasts for threee months.
- Includes a built-in gasket with a waterproof seal
- PetSafe batteries designed for use in a variety of PetSafe products including Bark Control systems and Wireless Pet Fences Batteries can last between 1 and 3 months; replace as needed
- Model RFA-67D-11
The High Tech Pet Ultrasonic Collar Replacement Battery is the replacement battery for the Humane Contain MS-4 and MS-5 training collars. Its long life lithium cell allows this replacement battery to last up to 3 months. That give you and your pet up to 3 months of uninterrupted training allowing your dog to retain their new found discipline easier and longer.This replacement battery is not compatible with the MS-2 or MS-2A training collars.