float mAh = 0;
int   time_m = 0;

void setup()
{
  Serial.begin( 9600 );

  for ( int i = 10; i > 0; i-- )
  {
    Serial.print ( i );
    delay ( 1000 );
  }
  Serial.println( "GO!" );
}

void loop(  ) {

  float average = 0;
  for( int i = 0; i < 1000; i++ ) // 1000 samples
  {
    float sample = ( 26.4 * analogRead( A0 ) - 13510 ) / 1000;
    if ( sample > 0 )
    {
      average += sample;
    }
    delay( 60 ); // every 60 ms
  }

  mAh += average / 60;
  time_m++;

  Serial.print  ( time_m );
  Serial.print  ( ", min, " );
  Serial.print  ( average );
  Serial.print  ( ", mA, " );
  Serial.print  ( mAh );
  Serial.println( ", mAh" );
}