Product Details
Compatible Models:
Dell Alienware 15 R4, Dell Alienware 17 R5, Dell Precision 7520, Dell Precision 7720, Dell Precision 7730
Compatible Part Number:
Dell KJXPP, Dell 7XCR6, Dell 450-AHHE, Dell LA240PM180
The Adapter is a 240W rated power supply and replaces dell precision 7720 laptop charger. Designed to meet Dell's original specifications. The Replacement Dell AC Adapter is designed to be 100% manufacturer compatible and will meet OEM specifications.
- Brand new AC Adapter For Dell Precision 7720
- Quality Assurance : All laptop ac adapters have been 100% tested before shipment. Serious aging test for a few hours before packing to make sure reliable quality
- Safety Mechanisms to Prevent Short Circuiting, Overvoltage, Overcurrent, and Internal Heating.
- Laptop adapter Warranty: 12 months within the warranty period, free replacement or refund.
- Professional packaging for laptop adapter :cardboard boxes, PE bags, brown box, PE bags to avoid any damage to the laptop Adapter.
- CE/FCC/RoHS Certified.
Here are some tips for better maintenance of AC Adapter.
- Always put first the DC output plug into the laptop's power jack before putting the input plug on the power outlet. This is the correct method.
- Switch off the Laptop AC power adapters when you are not using the laptop to prevent overheating.
- Don't shake or knock the adapter. Improper handling may break the internal parts and circuit boards.
- Keep your adapter in a dry place with room temperature. Just like other electronic devices, adapter can get damage cause by high temperature.
- Avoid the metal tip of the adapter from getting in contact with other metal objects because it can cause short-circuiting. Your laptop might get damage when a short-circuited charger is used.
- Never pull the cord to detach the plug from the power outlet because the wire might be slashed or loosened.