We will check the functions of the Ac Adapter Power before shipping, ensure every function works well since we understand the annoyances of dealing with defective products and want you to be 100% satisfied with our Ac Adapter Power.Replacement For Samsung ADP-40MH AB Adapter is rated at 19V 2.1A 40W.The high quality laptop charger for samsung adp-40mh ab 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!The Adapter is a 40W rated power supply and replaces samsung adp-40mh ab laptop charger. Designed to meet Samsung’s original specifications. The Replacement Samsung AC Adapter is designed to be 100% manufacturer compatible and will meet OEM specifications.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.Welcome to replacement laptop AC power adapters online store.Replacement Samsung Laptop AC Adapters and Power Supply for Notebook Computers.Replacement laptop AC adapter is guaranteed to meet or exceed original Samsung 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.