This item is a high-quality power supply. It is well-suited as a replacement or secondary device and provides power to your Acer Travelmate 7730 just like your conventional power supply, enabling reliable battery charging. Note: If we do not explicitly state that this is an original product, we are supplying a compatible product. This means it is by no means an original product from the manufacturer and is therefore not produced or recommended by them. All brand and product names belong to their respective owners and are only used for compatibility description.