Philips Magnetic Wireless Powerbank (DLP9819N)
 is a 5,000mAh portable charger that offers up to 15W of wireless charging and wired charging via a USB-C port. The magnetic design is compatible with MagSafe-enabled devices, such as newer iPhones.
 

• Model: 
  DLP9819N
• Battery Type: Lithium Polymer
• Battery Capacity: 5,000mAh
• Battery Energy: 19.25Wh @ 3.85V
• Wireless Output: 5W / 7.5W / 10W / 15W
• USB-C Input/Output: 5V-3A, 9V-2.25A, 12V-1.5A
• Safety Features: Overheat protection and other advanced safety features
• Colors: Black, Blue, Purple, and White
• Features:
  • Magnetic rim for MagSafe-compatible devices
  • LED power-indicator light
  • Qi wireless technology compatibility 

Note on Wattage: The product name in your query mentions "15W/22.5W". Search results confirm the device offers 15W wireless charging and up to 22.5W for wired charging via the USB-C port, based on power delivery standards (5V-3A, 9V-2.25A, 12V-1.5A).