Replaces OEM # 93FTF, 083XPC, 83XPC, D4CMT, 451-BBZT, 4YFVG Fits: Dell Latitude 5280, Latitude 5480, Latitude 5580, Latitude 5290, Latitude 5590 Specs: 11.4V, 51Whr, 4473mah, 3 Cell Brand New GreenTech replacement battery - 6 Month Replacement Warranty Each products has undergone rigorous testing to ensure the correct voltage, circuit protection, stable current, low self-discharge and CE / FCC / RoHS Certified for safety