40W Notebook AC Adapter Charger Lavolta® Samsung Chromebook Series 5: XE550 550C22; Serie 9: 900X1B 900X3A; Series 7 Slate XE700T1A compatible with AA-AA-PA2N40L PA3NS40 AD-4019W BA44-00278A - Laptop Power Adapter Laptop PC - 19V 2.1A
6 days used with a Samsung Series 9 (NP900X3A), the voltage / amperage is identical to charger (19V 2.1A). Worked fine, then nothing, it simply no longer work. There is not much to say other than it is an absolutely shameful quality.