This replacement rechargeable battery pack will fit these Spectralink models: PTB400, PTB410, PTB500, PTB600, PTB800. These are Nickel Metal Hydride (nMh) cells encased in a black plastic snap in plastic case.
730 mAh
DC 4.8V
This replacement rechargeable battery pack will fit these Spectralink models: PTB400, PTB410, PTB500, PTB600, PTB800. These are Nickel Metal Hydride (nMh) cells encased in a black plastic snap in plastic case.
730 mAh
DC 4.8V