About this item This 45W laptop charger features various types of charging ports to fit multiple popular notebook brands. Max. output power is only 45W. Please do NOT use this laptop AC adapter to charge laptops with a rating power over 45W. The universal laptop charger output voltage is 12V, 19V, 19.5V, and 20V. Power is 45W. Perfect replacement for laptops requiring 19V 1.75A, 2.37A, 19.5V 2.31A, or 20V 2.25A Laptop Charger AC Adapter Cord. Surge protection, short circuit prevention, and advanced safety features ensure safety for you and your devices. This 45W laptop cord has a compact design, making it easy to carry. It comes with various types of charging ports, compatible with most 45W laptops. Dimensions: 0.18 x 0.12 x 0.01 inches.