Just an update in case anyone is interested. I sent a message to Skydio and have had some dialogue with one of their representatives. He was going to get with their engineers because he had me connect my drone/phone/controller and look on the Fly tab under Controller at what it says for charge percentage.
Mine doesn't give a percentage. It says RC7.0.23...and the order of the 3 items are Drone Phone Controller, whereas the Controller Manual, under App, shows Drone Controller Phone. The latter might be meaningless, but its different from what the manual says.
Also, I discovered that the LED actually does turn green eventually. Its sooo faint, I thought the controller had turned off/timed out or something. I hafta cup my hand around it to create a dark shadow within which to see that the LED is actually green, and this is inside my house.
Lastly, once the LED had turned green, I reconnected drone/phone/controller to check again on charge percentage. The controller was on for 1 minute max, and actually prolly closer to 45 seconds. Same result (RC7.0.23) but heres why I mention this. I reconnected controller to charger and 2 hours later, the LED was still red. Thats after less than 1 minute of use.
Something is not right. The Rep and I think the controller is defective, but the absence of it showing charge percentage has him stumped. I didn't hear from them yesterday tho. Will advise what I learn.