Black & Decker FS180BX replacement battery provided by AtBatt.com is designed to replace OEM part numbers FS180BX, FS18BX, FSB18, HPB18. Amstron brand power tool batteries are precision-engineered and rigorously tested for voltage, capacity, compatibility and safety to exceed original manufacturer specifications. • Chemistry: NiCD • Rating: 18V 2.0Ah • Dimensions (L x W x H): 5.73'' x 3.11'' x 2.84'' • Warranty: 1 Year