Hello and good day linewalker. Thank you for sharing this information with us today. The DJI Smart Controller's battery have a working time of 2.5 hours. The said smart controller can fly approximately 5 DJI Mavic 2 Series drones before you need to charge the DJI Smart Controller. For additional reference I will be posting a link where in you can check the additional specifications of the DJI Smart Controller. Thank you.
Yes!
Reasons i got it are:
We have bright light conditions
HDMI output (when i use a second screen)
All in one (no cables)
Longer stick travel (used to Phantom 2, 3, 4)
Good signal
Additional SD card on the remote