Battery Qsn

• joemit7850

  25 Apr 05, 23:59

  Hi
  
  Can we insert the key and start the aircon and radio without starting the engine on?
  
  will it cause the battery goes flat very fast?
  
  Thks
• Troy437

  26 Apr 05, 00:02

  Originally posted by joemit7850:

  Hi
  
  Can we insert the key and start the aircon and radio without starting the engine on?
  
  will it cause the battery goes flat very fast?
  
  Thks

  Read about this in the Sunday car tips in ST.
  Always off everything before you off the ignition and switch on whatever you want only after you start the engine. Will prolong battery life and avoid weak engine start-ups.
• joemit7850

  26 Apr 05, 00:11

  Thanks for your reply,
  
  What i mean is sometime if you are waiting in a car for someone
  and you will prefer to off the engine to save the petrol but you need
  the aircon and radio to entertain you while waiting. Is this going to shorten the life span for the battery?
  
  Thanks
• Troy437

  26 Apr 05, 00:22

  Originally posted by joemit7850:

  Thanks for your reply,
  
  What i mean is sometime if you are waiting in a car for someone
  and you will prefer to off the engine to save the petrol but you need
  the aircon and radio to entertain you while waiting. Is this going to shorten the life span for the battery?
  
  Thanks

  The articles I have come across says yes.
  If normal radio, still ok. But if you wanna play music with amp whiel engine is off, dun do that . You may have difficulty starting the engine later.
  Dun you notice that if you on your radio and start the engine thereafter, the radio is off by itself for a few seconds while the engine is starting up. That's bcoz starting a car requires near full batt strength.
  
  Air-con on while engine not running is a No No.
  
  Dun try to save petrol in such a way. You are draining your batt and putting yourself at risk of engine not being able to start later. When batt is low and you require to turn the ignition longer to get the engine started, you are also shortening your starter's life span.
  
• wbucket

  26 Apr 05, 12:54

  Originally posted by joemit7850:

  Thanks for your reply,
  
  What i mean is sometime if you are waiting in a car for someone
  and you will prefer to off the engine to save the petrol but you need
  the aircon and radio to entertain you while waiting. Is this going to shorten the life span for the battery?
  
  Thanks

  I don't know about you guys, but my car needs the engine to run the compressor to drive the air-con. No engine means you got a fan, not air-con for me.
  
  I played my CD for 1+ hour before, so still OK. Not amps for me!
• CarDreamer

  26 Apr 05, 20:22

  Tot on aircon without engine will get yourself killed????
  
  

  Originally posted by Troy437:

  The articles I have come across says yes.
  If normal radio, still ok. But if you wanna play music with amp whiel engine is off, dun do that . You may have difficulty starting the engine later.
  Dun you notice that if you on your radio and start the engine thereafter, the radio is off by itself for a few seconds while the engine is starting up. That's bcoz starting a car requires near full batt strength.
  
  Air-con on while engine not running is a No No.
  
  Dun try to save petrol in such a way. You are draining your batt and putting yourself at risk of engine not being able to start later. When batt is low and you require to turn the ignition longer to get the engine started, you are also shortening your starter's life span.
  

• wbucket

  27 Apr 05, 09:05

  Originally posted by CarDreamer:

  Tot on aircon without engine will get yourself killed????
  
  

  No! Last time is on air-con and engine will get you killed. Due to the carbon monoxide that build-up around the car. If on aircon without engine kills you, then everyone will die in office leow!!!