Replacement Ni-MH 3.6V Battery for Radio Shack CLTU12 Cordless Phones - 700mAh Capacity, 45.90 x 31.20 x 10.70mm Dimensions. Compatible with other models like CLTJ50, CLTJ60, CLTU20, CLTU22, CLTU30, and CLTU32. Reliable power source with 2.52Wh energy.