The Scosche HPDC20WT-SP Power Volt 20W Mini Cube USB-C Fast Charger Power Delivery 3.0 is the ultimate solution for charging USB Type-C devices. The compact size is perfect for travel or storing inside your purse. Safely charge your compatible devices up to 50% capacity in about 30 minutes. Its charging speed is up to 4 times faster. Compatible with 100-240VAC. We recommend using a fast charge compatible USB-C cable to achieve the fastest charge rates.