This sketch will initialise the long counter in address 0.

EEPROM-Reader.ino

// This sketch will initialise the long 
// counter in address 0.
// Written by Peter Dalmaris from Tech Explorations.
// Used to find out how long an ESP32 can last on a LiPo battery.
// https://techexplorations.com

#include "EEPROM.h"
int addr = 0;
#define EEPROM_SIZE 32

void setup() {
  Serial.begin(115200);
  Serial.println("start...");
  if (!EEPROM.begin(EEPROM_SIZE))
  {
    Serial.println("failed to initialise EEPROM"); delay(1000000);
  }
  EEPROM.writeULong(addr, 0);  // Best use a seperate script to initialise the EEPROM
  EEPROM.commit();
  Serial.println("Cleared EEPROM at address 0");
  Serial.println();
}

void loop() {
  // put your main code here, to run repeatedly:

}