Powering ESP32 with batteries

Hello I am new to ESP32, can anyone help me?
How to power esp32 with this schematics? because they don't have the usual VIN pinout... am I allowed to power it with 2x 3.7V battery into the 5V and GND? since I have read that it also has voltage regulator.

my other component that will be connected to 5V are 2x ultrasonic sensor, while to 3.3V is a Neo-6m GPS module

Check the underside. I'm not familiar with that specific board, but a lot of ESP32 dev boards have battery connectors on the bottom.
Alternately, an easy way to power these boards is with an USB power bank.

2 3.7V's in series into the 5V pin would work.

The datasheets would tell.

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