Laptop charger is a cost-effective solution for those who need a second adapter for travel or a replacement adapter for their current laptop. Features built-in surge protection to keep your laptop safe from unexpected surges and spikes and an interchangeable tip system to provide compatibility across major laptop brands. Semi-Slim Design. For Device Type: Laptops; Adapter/Charger Type: AC Adapter; Power Source(s): AC Wall Outlet; Capacity: 90 W.