Thank you for bringing up the battery issues you are experiencing with your Samsung Galaxy device.
We feel for you and understand what you are going through, with your Samsung Galaxy device, which becomes an essential part of your daily productivity.
Don't you worry, we are here to help and provide you with quick fixes and offer solutions to your problems.
Before we start, ensure that your device is up-to-date with the latest Software updates.
Settings > About Phone > Software Updates > Download Install > Follow on-screen notifications.
Following are basic steps to troubleshoot to find the possible reasons behind the issues with the possible solutions as below:
A) Wipe Cache Partition
Step 1. Turn off your phone.
Step 2. Plug in the USB cable via PC or Type-C earphones (in case its USB-C to USB-C).
Step 3. Then press and hold Power and Volume up buttons.
Step 4. Release the power button. When the recovery screen shows up, release the volume up button.
Step 5. Navigate to and select Wipe cache partition (Volume up and down is for highlighting options and power is to select).
Step 6. Navigate to and select Yes.
Step 7. Press the power button to select Reboot system now.
B) Optimize using Battery and Device care
1) Go to Settings.
2) Select Battery and device care.
3) Tap Optimize now.
C) Run the Diagnostic Tools under Samsung Members app
1) Run Samsung Members and select Get help on the lower half of the screen.
2) Tap View Tests located under Diagnostics.
3) Diagnostics checks, Tap Battery.
4) Your Galaxy phone will then run through the checks.
5) Follow the on-screen instructions to complete the check.
6) You can view your results after the check is complete.
But if you are still having unpleasant experience and difficulty using your device, I highly suggest to bring it to the nearest Samsung Authorized Service Center.
For more assistance, you may contact us on our online Samsung support channels below.
Hope this content is helpful and your problem gets solved.