Hello, thank you for your feedback. I understand your concerns and I will be more than happy to help you get the best out of your phone's battery. Open Settings, swipe to and tap Battery and device care, and then tap Battery. Your battery usage will appear at the top of the screen. From here, you can pinpoint what's draining your battery. Here is some additional information to assist you with this situation https://www.samsung.com/us/support/answer/ANS00078987/.