The DC adapter has a number of advantages, and these are the things that will make potential customers happy.First, you can be sure of reliable electricity for your electronics, eliminating damage from power surges and fluctuating voltages.Second, with its energy-saving design, it can help cut both energy use and the bills associated thereupon.Third, thanks to the multi-compatible socket-output interfaces offered by this product, you don't have to buy its own charger for each device.Fourthly, depending on size and hence transportability, plus the fact that one piece will work with many others in its line thus abridging weight and clutter both for customers who carry these goods in some form or another, the DC adapter eases everything.