This IBM ThinkPad i Series (1400, 1410, 1411) Replacement Battery Pack is 100% compatable with the H350AE-8TPI IBM ThinkPad i Series (1400, 1410, 1411) Replacement Battery Pack. 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 IBM ThinkPad i Series (1400, 1410, 1411) Replacement Battery Pack includes a warranty to guarantee that it has no manufacturing defects.