This IBM ThinkPad 360, 360C, 360CE, 360CS, 360CSE RTC Battery is 100% compatable with the VL2020-WR IBM ThinkPad 360, 360C, 360CE, 360CS, 360CSE RTC 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 360, 360C, 360CE, 360CS, 360CSE RTC Battery includes a warranty to guarantee that it has no manufacturing defects.