An AC is provided with the adapter for maximum cord length, while the AC wall adapter (also provided) gives you an even easier and more compact way to travel. Designed to be the perfect traveling companion, the adapter has a clever design which allows the DC cable to be wound neatly around itself for easy cable storage. High quality, safety, built-in circuitry protects your device from over-voltage, Over-current, Overheating, Short Circuits. Highly durable ABS plastics, relatively good charging performance, while reducing heat generation. Distriphone offer a Acer charger in a very cheap price but high-quality products.