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