Charging from 0 to 100% takes 1 hour 20 minutes. The continuous video playback time at maximum brightness (HD movie, MX Player) is about 16.5 hours.
The device with high load easily works for a full day, it is about 600-700 MB of load data in 4G networks, 6-7.5 hours of screen operation (50%, automatic brightness control). With less workload, you will get two days of confident work.
With Facebook updates enabled, the battery was melted and lasted until 7 pm, although there was no other load. The way out was the forced shutdown of all notifications from Facebook, banning work in the background – it corrected the situation.