Hitech - Replacement Cordless Phone Battery for Many Uniden Phones, Including: CEZAI998, DXAI388, DXI4286 Capacity: 1000mAh Voltage: 3.6V Chemistry: Ni-Cd See description for list of compatible cordless telephones Replaces Panasonic P-P508A, P-P508A/B, and HHR-P510A batteries