   if(DEBUG){
     Serial.begin(9600);
   }
+
+  ptStop();
 }
 
 /////////////////////////////////////////////////////////

void loop() {
  // Avoid arduino calls between loops
  while (true) {

    // Read voltage, check charge state
    voltage = readVcc();

          Serial.println("Low battery/It' not dark yet!");
        }
        LEDSOFF();
        ptStop(); // stop accumulating power time
        // Enter power down state for 8 s with ADC and BOD module disabled
        doPowerDown(SLEEP_8S, TIME_MULTIPLIER);
      }
