This is the cheapest I've seen for local stock.
Power up your Galaxy S10e, S10, or S10+ with serious speed. The Wireless Charger Duo Pad has the improved Fast Wireless Charging 2.0 capabilities. It charges your phone faster than previous Samsung wireless chargers so you can get back to 100%, faster.
Simultaneous dual wireless charging, FAST CHARGE 2.0, FAST CHARGE 1.0, Qi, Smart Watch Charging
Packaging Contents - Wireless Charger Duo Pad, Wall Charger, USB Type-C Cable, Quick Start Guide
*Fast Wireless Charging 2.0 only available with Samsung devices that support 10W+ wireless charging.
The FAST CHARGE 2.0 and FAST CHARGE feature found in the Pad FAST CHARGE 2.0 is compatible with Samsung Galaxy S10 and FAST CHARGE is compatible with Galaxy Note9, S9, S9+, Note8, S8, S8+ S7, S7 Edge, Note5, S6 Edge+ and later models of Galaxy S and Galaxy Note series.
* Galaxy S6, S6 Edge, Galaxy Watch, Gear S3, Gear Sport, Galaxy Buds only support normal wireless charging, without fast charging feature.
** When you charge two mobile devices (besides the Galaxy Watch) at the same time, you cannot use fast wireless charging 2.0. (Fast wireless charging 2.0: 10 W or more of wireless charging with a Samsung genuine certificated charger).