ZTHY Compatible 47Wh Y9N00 New Laptop Battery Replacement for Dell XPS 13 Ultrabook Series Notebook XPS 13-L321X XPS 13-L322X XPS L321x L322X 489xn 6cell 7.4V Battery typeLi-ion.Color:Black.Voltage:7.4V. Capacity:47WH / 6-Cell. New from Manufacturer. Up to 500 recharge cycles over the life of the battery. Replace Part Number Y9N00 489XN Compatible Models Dell XPS 12 XPS 13 XPS 13-l321x XPS 13-l322x XPS L321x SecurityAll ZTHY products are Certified by CE, FCC for safety. Strict guidelines for compatibility, and standards compliance for environment safety. ZTHY Laptop Battery Return Policy Rest assured with 30 days Refund and 12 months Replacement,also get our friendly customer service.