Using the same expertise that Cooler Master delivers to our power supply units, the next generation of the MasterWatt 90 series keeps what works and makes it better. With one of these, you can plug into a highly efficient charge that works across multiple laptops. You will never have to buy another adapter, wherever you are, whatever you use.

Raising the Efficiency Bar
Both models meet the raised efficiency standard set by the US California Energy Commission (CEC), effective Feb. 2016. These standards bring the amount of energy consumed by adapters to a new low.

Switch the Tip
Nine different adapter tips support most laptops brands, including Lenovo's square design. You won't have to buy another adapter even if you own multiple laptops or move between work and home stations.