Patents reveal Samsung’s tri-fold battery surprises PhoneArenaPatents show Samsung’s tri-fold has three batteries – GSMArena.com news GSMArena.comGalaxy Z TriFold Will Sport Three Batteries, With Various Patent Images Revealing Its Slim Design When Completely Unfolded WccftechI spent 6 months with a trifolding phone — and it’s the only foldable that makes sense Currently.com
