New answers tagged battery
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Can battery brand affect performance?
There definitely can be some differences between batteries, but the differences less from the brand itself than from the manufacturer, the specific model, and differences in shipping and storage.
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Which battery clamp is positive?
Several clues exist.
For any "modern" car later than the 1960's, the engine is wired "negative ground" Vintage vehicles may be wired with "positive ground" but both ...
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Large voltage drop under circuit load…
There's no such thing as "no resistance" unless your car is in a tank of liquid helium. You're trying to measure resistance in the milliohm range with (I assume) a typical digital multimeter,...
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Is it normal for standalone battery voltage reading to go down daily?
I’d say there’s probably something wrong with the battery. Without knowing where you are other than probably not USA since you said boot, idk how easy it is to get the battery properly charged and ...
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Accepted
Is it normal for standalone battery voltage reading to go down daily?
After revving for 20 minutes, the battery was still nearly dead.
As I explained in a previous answer, nearly dead lead-acid batteries have a very high internal resistance due to dilution of the ...
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Accepted
Can you rely on constant jump starts?
Yes, but with caveats. I now people who have done this, i.e. just used a portable jump starter instead of fixing an issue, when the issue was too expensive or complex to fix and the car was destined ...
- 17.1k
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Is my Battery or Alternator the problem?
It sounds like you're on the right track. The symptoms suggest your battery is weak and may not hold a charge well, especially given its reduced capacity and health. The alternator's inconsistent ...
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