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Tuesday, July 12, 2016

Battery university

My van has a Blue Varta E11 74aH 680cca.
I just wanted to say it.

It has forced me to learn about electrics.
It's become a love/hate relationship.
I'm still the boss.
But... I had to shut up, be a good boy and learn so I don't become a 'part changer'.
Anyway these are two of the not so common bits I learned about car batteries.

12V batteries can have 'shorts' in themselves. Check out the video by mr-fix below.


"Check if your cars battery drain is caused by short circuit. Dirt, grease and moisture can create conductive layer that will slowly kill your cars battery, cause bad engine start or low voltage in the system.
Watch this tutorial and check your cars battery. It's quick and simple, you don't need to visit dealer or service. All you need for this test is a multimeter." written by mr-fix.

Full power accessories and short distance driving habits cause battery failures.
This article explains in detail what causes such battery failure that is not often talked of.
It is definitely a recommended reading to anyone who has been scratching their head for over 3 hours of poking around in the hope of reviving a no starter vehicle.

Battery University: "What causes car batteries to fail?"
Here is an excerpt:

"The battery remains a weak link and the breakdowns on 1.95 million vehicles six years or less are as follows:


  • 52% battery
  • 15% flat tire
  • 8% engine
  • 7% wheels
  • 7% fuel injection
  • 6% heating & cooling
  • 6% fuel system

A breakdown due to the battery remains the number one cause.
* Source ADAC 2008 for the year 2007"

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