Hitech - Replacement Cordless Phone Battery for Panasonic HHR-P513A, HHR-P513A/1B, N4HHEPA00001, P-P513, Type 27 Capacity: 1500mAh Voltage: 2.4V Chemistry: Nickel-Metal Hydride (Ni-MH) Replaces Panasonic HHR-P513A, HHR-P513A/1B, N4HHEPA00001, P-P513, Type 27 cordless phone battery 100% compatible and meet or exceed original specifications