Black & Decker Replacement 243213-00 Battery for CS100 and CST2000 tools - This is an AJC Brand Replacement This is an AJC Brand&#174; Replacement for a Black & Decker 243213-00 12V 4.5Ah Lawn and Garden Battery Voltage: 12V (12 Volts) Capacity: 4.5Ah Terminals: F1