The laptop charger that’s the size of a phone charger. 30-watt output delivers high-speed charging to Apple phones, tablets, laptops, and all USB-C devices. Charge iPhone and Android smartphones up to 50% in just 30 minutes-2.5X faster than a 5W iPhone stock charger. Powered by GaN (gallium nitride) Technology – high efficiency charger that generates less heat, allowing Anker’s charging technology to be designed even smaller than ever. Universal (Type – C) Compatibility.