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