Default i have problem with charging

i connected a charger to the phone as had 13% battery
I'm playing, and suddenly the screen starts to flicker
look and here the 1% battery

consumption of electricity from the battery is bigger than electricity charger?
I have also other phones in the house, as well as tablet and this problem does not occur

as in this case, use the phone as a camera car or navigation?

the phone has shut down, after being readmitted to reset the settings clock

note is a cool phone, but I'm starting to have it rather

i little speak english and i hope you understood me