This Genuine HP 75W AC DC Adapter Charger is compatible with Compaq Presario 2100 and 2500 Notebook PCs. It is designed to provide efficient and reliable power to your device. The adapter has a voltage of 19V and an output current of 3.95A, making it a powerful and effective accessory for your laptop.This AC & DC adapter is black in color and belongs to the Laptop Power Adapters/Chargers category. It is compatible with the HP Compaq Presario 2500 Notebook PC and HP Compaq Presario 2100 Notebook PC. The adapter is suitable for the Presario product line and complies with California Prop 65 regulations.