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