My 7390 is compatible with the power adapter from a circa 2008 Vostro 14! Threw that laptop away a long time ago but still have the power adapter. And because o

My 7390 is compatible with the power adapter from a circa 2008 Vostro 14! Threw that laptop away a long time ago but still have the power adapter. And because of this compatibility, generic or replacement Dell power adapters are cheap on EBay. The same is also true for replacement batteries.