The Adapter is a 65W rated power supply and replaces hp compaq nx8200 laptop charger. Designed to meet HP's original specifications. The Replacement HP AC Adapter is designed to be 100% manufacturer compatible and will meet OEM specifications.Replacement For HP Compaq NX8200 Adapter » .The high quality laptop charger for hp compaq nx8200 provides your laptop with safe and reliable power.It is over Charge protection, Voltage protection, Temperature protection, Short circuit protection, enjoys 1-Year Warranty,60-Day Money Back! Notice: Following have two type connecter size(big and small).Black connecter is bigger than yellow one.Buy correct one,please!Brand New Replacement For 19V 4.74A 90W HP Compaq NX8200 AC Adapter/Power Supply/Charger With Laptop Cord.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.Replacement laptop AC adapter is guaranteed to meet or exceed original laptop AC adapter.Full 2 hours burning test; 3 times quality check and 2 times drop test by QC before package.Warranty and Guarantee: 1 year warranty, 60 days money back.