Ni-cd 4.8V 500mAh Replacement Car Battery Part Compatible with Haktoys HAK101 (Not HAK104) RC Stunt Car and Other Compatible RC Hobby Products Get additional play time by obtaining extra batteries! High-quality original replacement Ni-cd battery for Haktoys HAK101 RC Stunt Car and HAK155 RC Buggy Optimum charge time: 90 minutes, Run time: approx. 15 minutes. Battery Dimensions: 3 x 2 x 0.5 inches. Connector (Plug) Type: SM-2P Works with HAK101 RC Stunt Car, HAK155 RC Buggy, and other compatible RC hobby products. NOTE: DOES NOT WORK WITH HAK104 RC STUNT MASTER. Battery Dimensions: 3 x 2 x 0.5 inches. Number of cells: 4 (four). Connector (Plug) Type: SM-2P Package contents: 1 x 4.8V 500mAh Nickel Cadmium (Ni-cd) Replacement Battery