ZTHY WD52H Laptop Battery Replacement for Dell Latitude E7240 Latitude E7250 Series KWFFN VFV59 F3G33 J31N7 451-BBFW 451-BBFX GVD76 HJ8KP NCVF0 7.4V 45Whr 4Cell Lithium-Ion Battery typeLi-ion. Color: Black. Voltage: 7.4V. Capacity: 45wh. 100% New from Manufacturer. Up to 500 recharge cycles over the life of the battery. Replace Part Number KWFFN WD52H VFV59 J31N7 451-BBFW 451-BBFX GVD76 HJ8KP NCVF0 Compatible Models Dell Latitude E7240 Series, Dell Latitude E7250 Series, Dell Latitude 12 7000 Series Laptop SecurityAll ZTHY products are Certified by CE, FCC for safety. Strict guidelines for compatibility, and standards compliance for environment safety. ZTHY Laptop Battery Return PolicyRest assured with 30 days Refund and 12 months Replacement,also get our friendly customer service.