Output:19.5V 2.31A 45W (45W max) Input Volt Range: 100-240V/ Connector: Only round (4.5×3.0mm). Package:1x Ac adapter and 1x Ac power Cord BEWARE: for Dell Inspiron 3000, 5000 and 7000 series laptop use the 4.5x3.0mm connector, however some Inspiron 3000, 5000 and 7000 series laptop require a 7.4x5.0mm connector, for Dell charging connectors look similar but are different sizes we provide a Converter Cable, if not sure this charger will compatible with your laptop, please feel free to contact us. Compatibility - Fit for Dell Inspiron 11 3000 Series:3147 3152 3153 3157 3162 3168, for Dell Inspiron 13 7000 Series:7348 7347 7352 7378 7353 7359 7368, for Dell Inspiron 14 3000 3452 3451 3458, for Dell Inspiron 13 5000 5378 5368, for Dell Inspiron 15 3000 series:3552 3558 3568 3559 3551 3555 3567 3565, for Dell Inspiron 15 5000 series:5558 5555 5559 5567 5551 5552 5565 5568 5578, for Dell Inspiron 15 7000 series:7568 7558 7569 7579, for Dell Inspiron 17 5000 series:5758 5755 5759 5767, f