Woot offers (1 & 2 Pack) Samsung 25W USB-C Super Fast Wall Charger & Cable for $17.99 (reg $34.99). Free shipping for Prime Members.

Product Description:
Keep up with the speed of business. This Samsung USB-C wall charger with 25 Watt Super Fast Charge capability uses Power Delivery (PD) to provide the most efficient charge possible. Any PD enabled device can charge at up to 25W. Other USB-C devices rates will vary.

• Super-fast charging up to 25W with compatible devices. The super fast charger delivers up to 3 amp to give your phone power at a much faster rate than your standard 1a or 700mA charger.
• Plugs into any standard wall outlet with the included AC adapter
• Includes a detachable USB-C to USB-C cable so you can charge your phone from any other USB-C power source such as your computer or a portable battery
• Sync and transfer files with your Galaxy or any other compatible smartphone or laptop
• Included cable is approx 3.3ft long