DR02P 2X1V9 02X1V9 803W6 0803W6 Laptop Battery Compatible for DELL Latitude 5440 5450 5540 5550 Precision 3480 3490 3580 3590 Mobile Workstation Series (11.4V 54Wh)

1.Our batteries have EC/FCC/RoHS certification to ensure their safety, and are equipped with preventive measures such as short circuit, overheating, and overload protection. 2.Our laptop batteries are made of top-notch notch materials and circuit boards to ensure their performance and durability. We only use high-quality batteries, which can guarantee up to 500 charging cycles 3.We have full confidence in the backup batteries of our laptops, and each battery comes with a 12-month warranty period.