This IBM ThinkPad 350, 350C Resume Battery is 100% compatable with the 2L120TA IBM ThinkPad 350, 350C 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 IBM ThinkPad 350, 350C Resume Battery includes a warranty to guarantee that it has no manufacturing defects.