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