Please note the power requirements and the connector size of 7.9 x 5.5 mm with a center pin. This item is a high-quality power supply. It is ideal as a replacement or secondary device and provides your Lenovo ThinkPad T530 with power just like your standard power supply, enabling reliable battery charging. Note: Unless we explicitly state that this is an original product, we will supply a compatible product. This means it is not an original product from the manufacturer and is therefore not produced or recommended by them. All brand and product names are the property of their respective owners and are used only for compatibility description.