This SONY PCG-C1VN Resume Battery is 100% compatable with the FL6/V11H-MFX SONY PCG-C1VN 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 SONY PCG-C1VN Resume Battery includes a warranty to guarantee that it has no manufacturing defects.