Features:Safe charging with over-current, over-voltage, short circuit and overheat protection.Made of high-quality components and circuit boards, the adapter is more durable. Good charging condition provided by high output voltage, small waveform and low interference.Compatible with laptops such as for Samsung NP300E5A-A05US,NP300E5A-A02UB series.Small size and lightweight, easy to carry and easy to use.All projects have passed CE/ROSH/FCC certification, which assures high quality.Specification:Plug: US Plug / EU Plug / UK Plug / AU Plug (Optional)Input Voltage: 100-240V ~ 1.5A, 50 - 60HzOutput Voltage: 19V 3.16AInterface Size: Approx. 5.5x3.0mm / 0.2x0.1in, Center with NeedleOperating Temperature: 0 - 40 CStorage Temperature: -20 - 60 CHow to buy the right power supply:1. Check if the voltage and current of your original power adapter are the same as the figure;2. Check if the interface of your original power adapter is the same as the figure.3. As long as the voltage, current, and interface size are the same (the label may be different, but it does not affect)Package List:1 x AdapterNote:The original power adapter has been lost. You can check the parameters on the bottom of your notebook or the notebook manual.Adaptation model: (please refer to the manual for the specific purchase method, not including all compatible models)For Samsung NP300E5A-A05US, NP300E5A-A02UB NotebookReplace Part NumberAD-6019, AP04214-UV, ADP-60ZH A, BA44-00243A, AD-6019R, AD-6019P, AD-6019C, AD-6019B .Please notethat the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.