Excellent quality Compaq PRESARIO CQ40 batteries
sales-batteries.co.uk specializes in laptop batteries. We store most all laptop batteries for all Compaq. Each of our Compaq laptop batteries uses Class A Cells which are certified to CE, FCC, ROHS, PSE, etc. Our products are safe and reliable, you can buy with confidence. The replacement battery part numbers and Compaq laptop models are listed as below.