This laptop power supply is engineered to deliver a strong charge to any compatible laptop. This unit gives you surge protection, over-current protection, voltage protection and over-temperature protection to keep your laptop operating and charging at the correct voltage. Laptop charger adapters may get damaged over time. However, you need not to worry as Dell brings you the best high quality laptop charger adapter replacements. These adapters have been engineered to offer the best premium performance. 
The adapter is built to safeguard your laptop against damage, this charger will not let you down. PERFORMANCE, SAFETY, RELIABILITY - All of our product lines are put through rigorous quality control procedures to ensure safe, reliable operation for years to come. We guarantee our products will charge your device as efficiently as the charger, or any other replacement. In addition, our products are in compliance with top industry standards, and include numerous safety mechanisms, including protection against short circuiting, overvoltage, overcurrent, and internal overheating.