BL4018-JP 18V 4.0Ah Li-Ion slider Battery Buy Now BL4018-JP 18V 4.0Ah Li-Ion slider Battery Buy Now Cordless Power & convenience. Part of the 18V Lithium-Ion System. Product Overview 18V 4.0Ah Battery Pack Additional Features Support Warranty 1 Year Warranty We’re confident of the quality of our products and we’ll repair, without charge, any defects due to faulty materials or workmanship within the specified warranty. Learn More Service We take extensive measures to ensure all our products are made to the very highest standards and meet all relevant industry regulations. Learn More Support Manual BLACK+DECKER® manuals are available to help put your products in operation.