Excellent quality batteries for COMPAQ EVO Series. Irelandbattery.com specializes in laptop batteries. We store most all laptop batteries for all COMPAQ EVO Series. Each of our COMPAQ EVO Series 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 COMPAQ EVO Series laptop models are listed as below.