Replacement Ni-MH Battery for RADIO SHACK CLTJ50 � 3.6V, 700mAh capacity (2.52Wh). This rechargeable nickel-metal hydride cell is designed to meet or exceed original specifications, providing reliable power for your device. Exact dimensions are 45.90 x 31.20 x 10.70mm. Enjoy long-lasting performance without the memory effect.