OPPO and Pokemon have teamed up so that the OEM can offer its newest power bank with a trademark yellow-and-black Pikachu theme. Appropriately enough, this device has the next generation of OPPO's impressively fast VOOC charging system.
https://www.notebookcheck.net/OPPO-will-launch-a-Pikachu-Edition-Power-Bank-with-Super-VOOC-charging-in-China.357436.0.html