POWER SPECS : Input Voltage Range: AC 100V - 240V Compatible with: (19.5V) 90W Dell Inspiron 15 (3531), Dell Inspiron 15 (3537) (i15RV-8574BLK); 15 (3521) (i15RV-954BLK) Notebook PC 19.5VDCT-Power - manufactured with the highest quality materials and include multiple smart features safeguarding against IV - incorrect voltage, SC - short circuit, IO - internal overheating. CE/FCC/RoHS certifiedPOWER SPECS : Input Voltage Range: AC 100V - 240VCompatible with: (19.5V) 90W Dell Inspiron 15 (3531), Dell Inspiron 15 (3537) (i15RV-8574BLK); 15 (3521) (i15RV-954BLK) Notebook PC 19.5VDCT-Power - manufactured with the highest quality materials and include multiple smart features safeguarding against IV - incorrect voltage, SC - short circuit, IO - internal overheating. CE/FCC/RoHS certified