Here is a list of power banks that stick behind the iPhone 15 and iPhone 15 Pro using MagSafe magnets. All these power banks feature USB-C.
iPhone 15 - MagSafe – Momax Official
Benks, Tech Accessories
Will the iPhone 15 Get USB-C Port? Will Apple (AAPL) Release a Wireless iPhone? - Bloomberg
Anker Power Bank (24000mAh, 65W, 3-Port) Black A1379H11-1 - Best Buy
The best MagSafe battery packs in 2024, tried and tested
RAVPower 140W Portable Laptop Charger, 27000mAh Power Bank with 2 USB
Benks, Tech Accessories
New Magsafe Power Bank For iPhone 15 14 13 12 Pro Max Type C Charger Magnetic Wireless Powerbank External Auxiliary Battery Pack
OtterBox Multi-Mount Power Bank with MagSafe - Gray - Apple
The 7 Best MagSafe Battery Packs for 2023 - MagSafe Battery Packs for iPhone
Best iPhone 15 Pro and iPhone 15 Pro Max power banks with MagSafe - Phandroid
5 Best MagSafe Power Banks for iPhones (2024): High Capacity, Slim, Kickstands
No Charger in the Box? Everything You Need to Know About iPhone 15 Charging
The best MagSafe battery packs in 2024, tried and tested
MagSafe Power Banks for iPhone 15 and 15 Pro with USB-C Port