Replaces OEM # 3DDDG, 45N3J, 03VC9Y, 3VC9Y, 451-BBZP, 049XH Fits: DELL LATITUDE 5280, LATITUDE 5480, LATITUDE 5580, LATITUDE 5290, LATITUDE 5490, LATITUDE 5590 Specs: 11.4V, 42WHR, 3684MAH, 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