This ADVENT 7007, 7008 Replacement Battery is 100% compatable with the BP34AS1 ADVENT 7007, 7008 Replacement 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 ADVENT 7007, 7008 Replacement Battery includes a warranty to guarantee that it has no manufacturing defects.