Some applications do not work on battery but THEY DO when charger is connected

[Android Central Question]

Some applications and mainly widgets DO NOT WORK when my Samsung A5 2017 (Android 7.0) runs only on battery (at 100%) but they ALL work fine when charger is connected. Could you help me?

 

[B. Diddy]

Welcome to Android Central! Any power-saving modes turned on, or 3rd party battery-saver apps installed?