Specification: Voltage: 11.1V. Capacity: 65Wh / 6-Cell. Battery Type: Li-ion. Condition: New from Manufacturer Compatible Part Number: 4XKN5 CJ2K1 DKNKD X8VWF 5XT3V 05XT3V VCWGN 0VCHGN 09FN4 XRJDF YGV51 453-BBBD 453-BBBE 451-12187 451-12188 XN4KN Compatible Laptop Models: Replacement for Dell Latitude 14 Rugged 5404 5414 E5404 Series; Replacement for Dell Latitude 14 Rugged Extreme 7404 7414 E7404 Series; Replacement for Dell P45G P45G001 Series; Replacement for Dell P46G P46G001 P46G002 Series Security: All ZTHY products are Certified by CE, UL for safety. Strict guidelines for compatibility, and standards compliance for environment safety Note: If the new battery is not recognized during the initial installation, please reinstall and check if the interface is fully connected. Discharge the new battery to 10-20% (not 0%), then charge and cycle 3-4 times to wake up the new battery