Shopping for Replacement Compaq Laptop Batteries from latopbatterysale.co.uk. All Replacement Compaq laptop batteries have been tested for thousands times and passed CE, ISO 9001/9002 certifications and UL, ROHS approval.Our Compaq laptop batteries are designed for safety and compatibility; you can rest assure that you are getting the best battery for your Compaq notebook. Start by selecting your Compaq model from the list below.