Milwaukee 48-11-1900 replacement battery provided by AtBatt.com is designed to replace OEM part numbers 48-11-1900, 48-11-1950, 48-11-1960, 48-11-1967, 48-11-1970, B 12, MXL 12 . 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: 12V 1.2Ah • Dimensions (L x W x H): 4.12'' x 3.26'' x 2.37'' • Warranty: 1 Year