Recent content by 69Donald69

Hello I have a Samsung Series 7 Ultra Notebook (Model: NP740U3E-S04UK, bought new in 2013), which takes 19 volts. My only real problem is that is battery life. A) Power bank - 19v Can I buy an external battery (i.e. "power bank") that has a compatible (19v) output? B) Power bank - 240v...