Electronic HP Care Pack One Time Battery Replacement Service - Extended service agreement - replacement (for battery only) - 4 years - pick-up and return - business hours - repair time: 3-7 business days - for Elite c640 G3, c645 G2; Fortis 11 G9; Pro c645 G2; ProBook 450 G8, 455r G6, 45X G6, 45X G7. Hewlett-Packard takes great care of its customers - that's why it provides you with reliable and high-class service to make you feel comfortable whenever you buy HP products. The company offers a full range of services and supports to make you feel even more comfortable.