Excellent quality batteries for HP COMPAQ Laptops Irelandbattery.com specializes in laptop batteries. We store most all laptop batteries for all HP COMPAQ. Each of our HP COMPAQ laptop batteries uses Class A batteries 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 HP COMPAQ laptop models are listed as below.