This DELL Latitude CPt Series Resume Battery is 100% compatable with the FL6/V30H-WSL DELL Latitude CPt Series Resume Battery. Our batteries and accessories are made with high quality parts and are guaranteed to meet or exceed the original equipment manufacturers specifications at a reduced price. All batteries are tested for 100% quality control assurance. This DELL Latitude CPt Series Resume Battery includes a warranty to guarantee that it has no manufacturing defects.