I have Eufy. Solar powered Wifi.
I added a extra solar panel to by front door cam due to light issues. They all work fine and I can access them from anywhere
eufy Security SoloCam S220, Solar Security Camera, Wireless Outdoor Camera, Continuous Power, 2K Resolution, Wireless, 2.4 GHz Wi-Fi, No Monthly Fee, HomeBase 3 Compatible
https://a.co/d/6oUZEp4