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1 vote
Accepted

Intermittent battery warning issue

Have a good look at the alternator .Run the car parked at idle with voltmeter across battery ,Expect about 14 volts now gradually turn on more accessories like headlamps etc, The voltage should not ...
Autistic's user avatar
  • 2,108
1 vote

Why don't cars use LiFePO4 batteries as they seem to be equivalent in price to AGM?

I can see some reasons why LiFePO4 is still not a good replacement for lead-acid batteries in all conditions. Firstly, charging a LiFePO4 battery in freezing sub-zero temperatures damages the battery. ...
juhist's user avatar
  • 14.7k
1 vote

2001 Mercedes W203 C200 Kompressor Charging at 11.7-12V

This seems more than likely a battery issue and not an alternator issue. Your first bet would to get the battery tested again. You don't state how old the battery is, but expected life out of one is ...
Pᴀᴜʟsᴛᴇʀ2's user avatar
1 vote

Remote battery disconnect drains the battery

I don't see anything wrong with the wiring, however, with only 1.5v on the battery when you tested it, I'd suggest you have problem with your battery. It looks as though in the setup of the device, it ...
Pᴀᴜʟsᴛᴇʀ2's user avatar
1 vote

What if I do not reprogram the computer after changing car battery?

Are you confusing radio memory presets lost after battery disconnect, requiring programming them after battery replacement? Engine computers don't require programming when a battery dies during winter ...
F Dryer's user avatar
  • 1,121
1 vote

How to test a battery the alternative way?

This isn't easy. If you let your battery rest with no current drains, waiting for few hours, you can check it with a voltmeter. However, this only tells the state of charge. It won't tell the state of ...
juhist's user avatar
  • 14.7k

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