Need a battery for Compaq-HP Laptops/Notebooks with the following model numbers: Tablet PC TC1000? BTI has you covered with our premium 6 cell LiIon battery. This product has been engineered to meet or exceed the original manufacturer's specifications and replaces the original Compaq-HP part numbers CFAA1653A, CFAA1653AM, CFAA1653AM2, CFAA1653M. All BTI batteries are manufactured and tested under our stringent quality standards and come with an industry leading 18 month manufacturer's warranty. BTI... True to the original.