Using the HLVD interrupt

 HLVDCONbits.HLVDEN = 0;  // Disable HLDV
  HLVDCONbits.HLVDL = 0b1101; // Set point 3.13V   
  HLVDCONbits.VDIRMAG = 0;  // Interrupt when voltage drops   
  PIR2bits.HLVDIF = 0;  // Clear the HLVD interrupt flag   
  HLVDCONbits.HLVDEN = 1;  // Enable HLDV   
  RCONbits.IPEN = 1;
  INTCONbits.GIEH = 1;  // Enable general interrupts high
  PIE2bits.HLVDIE = 1;  // Enable l

void interrupt high_priority interrupts_highPriority(void) {
  if (PIR2bits.HLVDIF == 1) {
  PIR2bits.HLVDIF = 0;

  if (HLVDCONbits.VDIRMAG == 0) // A low voltage interrupt was triggered
  {

  LATAbits.LA2 = 1;
  INTCONbits.GIEH = 0; // Disable general interrupts high
  PIE2bits.HLVDIE = 0; // Disable low voltage detect interrupt   
  HLVDCONbits.HLVDEN = 0; // Disable HLDV
  HLVDCONbits.HLVDL = 0b1101; // Set point 3.13V   
  HLVDCONbits.VDIRMAG = 1; // Interrupt when voltage drops   
  PIR2bits.HLVDIF = 0; // Clear the HLVD interrupt flag   
  HLVDCONbits.HLVDEN = 1; // Enable HLDV   
  INTCONbits.GIEH = 1; // Enable general interrupts high
  PIE2bits.HLVDIE = 1; // Enable low voltage detect interrupt  

  } else {
  LATAbits.LA2 = 0;
  INTCONbits.GIEH = 0; // Disable general interrupts high
  PIE2bits.HLVDIE = 0; // Disable low voltage detect interrupt   
  HLVDCONbits.HLVDEN = 0; // Disable HLDV
  HLVDCONbits.HLVDL = 0b1101; // Set point 3.13V   
  HLVDCONbits.VDIRMAG = 0; // Interrupt when voltage drops   
  PIR2bits.HLVDIF = 0; // Clear the HLVD interrupt flag   
  HLVDCONbits.HLVDEN = 1; // Enable HLDV   
  INTCONbits.GIEH = 1; // Enable general interrupts high
  PIE2bits.HLVDIE = 1; // Enable low voltage detect interrupt  
  }


  }

}