hello, I need advice, something with the power system

hello, I need advice, something with the power system, most likely due to power surges in the outlet. the problem is the following, after a certain point the device began to turn on poorly, you need to press the power button several times, sometimes it does not work, only if you disconnect the battery cable and reconnect it again. the update is stable, I tried to reinstall through the official recovery, but it did not help, I suspect that the problem is in the power controller or something like that