A:AnswerThis is the compatible battery pack HHR-4DPA/2B
This is our battery compatibility chart ftp://ftp.panasonic.com/telephone/guide/telephone_battery_xref.pdf
A:AnswerHello! For assistance regarding your question, please contact us on the “Panasonic Battery Products” website -> Contact Us option on the bottom of the page, and our support team will help you out further. -C
A:AnswerWe would be more than happy to look into it further. Please contact our Customer Service Team via Live Chat on the Panasonic Website, Contact Us option, Mon-Fri, 9am-5pm EST. -M
A:AnswerHello Andrea! We would need to check the model of your phone in order to see which battery is compatible. If you need further guidance, kindly let us know and we will happily assist you. You can contact Support Team via Live Chat on the Panasonic Website, Contact Us option, Mon-Fri, 9am-5pm EST.