Are you using a walwart to charge with?? Or are you using a PC usb port??
I have found that some inexpensive walwarts go bad w/ no indication at all.
Try charging from a PC, and let it go for 35/45 mins. if your battery has not come up
to full charge, then the prob cd be the batt.
I don't care for the way Tello has its set up w/ just a blinking blue light, there's no in-
dication of how far along the process has gone and how much longer it has to go..
I prefer to use the Tello 3 port cradle to charge all three of my batts. I usually go to the
park or wherever w/ 3 fully charged units and fly 'til they're all depleted and then head
Try to remember, also, this little bird is basically a toy. Grant it, a somewhat expensive
toy for some of us, but it does have quite a few features that ten years ago would not
have been possible or even thought of.. Personally, I'd like to own an Octocopter w/
FLIR and a few other high tech do-dads, but (you know) I keep running out of GREEN