Powerextra 18 Volt 3000mAh Replacement Battery Compatible with Lincoln Lube Cordless Powerluber Battery 1801 Lincoln 1842, 1844, 1444, 1442 Battery Type: NiCAD, Voltage: 18V, Capacity: 3000mAh. Compatible with Lincoln 1842, 1844, 1444, 1442 Product Type:Replacement Battery (Brand New) Dimension: 8.5 x 6.1 x 3.5 inches,Weight: 2pounds 100% Compatible with original manufacturer equipments and chargers. Products come with our Powerextra is 30 days money back,and 24 Hours friendly customer service!