[Spécifications]:Li-ion.Color:Black. Voltage:11.41V.Capacity:51Wh 4342mAh 3-Cell., New from Manufacturer. Up to 500 recharge cycles over the life of the Batterie [Numéro de pièce compatible]:7WNW1, GK3D3, 0GK3D3, DMF8C, 0DMF8C. [Modèles d'ordinateurs portables compatibles]:Dell Latitude 5420 Rugged, Dell Latitude 5424 Rugged, Dell Latitude 7424 Rugged Extreme Series. [Sécurité]:All ANTIEE products are Certified by CE & ROHS for safety. Strict guidelines for compatibility, and standards compliance for environment safety. [ANITEE Laptop Batterie Return Policy]:Operation time for standard batteries: Around 2-3 hours, the actual operation time will depend on how much electricity is required by the device and how you use it. 12 x 7 email support, 12-month replacement.