This IBM ThinkPad 385XD Battery Charger is 100% compatable with the 02K6499 IBM ThinkPad 385XD Battery Charger. 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 385XD Battery Charger includes a warranty to guarantee that it has no manufacturing defects.