Eye - Smart Android Case for iPhone by ESTI Inc. — Kickstarter
Smartkase for iPhone 7 - Dual Sim +Memory Card +Battery Case by Fuzure Innovations LLC. — Kickstarter
This "smart case" is powered by your iPhone's own electromagnetic radiation — Envision Design
Bibiloo Smart-Cover
For Apple iPhone 14 13 12 11 Pro Max XS XR X 8 7 Plus Case Wallet Card Cover AUS | eBay
Amazon.com: SlaBao Battery Case for iPhone 14 Pro Max(6.7 inch), 6800mAh Portable Extended Charging Case with Kickstand Rechargeable Charger Case Compatible with iPhone 14 Pro Max - Black : Cell Phones & Accessories
The phone case that can charge your iPhone and AirPods together
Pan's Scheme Snap Filter for iPhone 14 – Now on Kickstarter | CineD