Q: New battery died charged

asked by on

I put a new battery and alternator in my van and it ran fine all day. But the next day the battery was dead. I charged the battery and it worked. But why would my new battery go dead with my new alternator?

It is possible that you may have a large parasitic draw or the new battery was faulty. A parasitic draw test should be set up if the battery passes a load test. The alternator should also undergo a charging system test. A draw above 80 mA is generally considered excessive and the faulty circuit corrected. You may want to enlist the help of a mechanic, such as one from YourMechanic, who will have the equipment and expertise to diagnose the charging issue.

Was this answer helpful?
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
  1. Home
  2. Questions
  3. New battery died charged

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: alternator belt

Yes, the alternator will not work at all or perform its job without the belt. This is something that should not have been missed during your service and will very quickly lead to battery failure. As you may know the...

Q: 94 Chevy k1500 signal fuse will blow every time I disengage the clutch as I rev to pull out in 1st

Hi, thanks for writing in. I'd be happy to provide my insight. This is very likely a grounding or a shorting problem. This may also be related to the brake lights being activated in conjunction with the clutch pedal being...

Q: No sound when I turn the on the ignition

In my opinion, it sounds like the charging system is not recharging the battery. It is most likely the alternator, but only a test can tell. These vehicles have had many electrical issues with instrument clusters and wiring harness problems...

Related articles

How Do Power Car Windows Increase Passenger Safety?
Power windows are responsible for approximately 2,000 emergency room visits every year. When a power window closes, it exerts enough force to bruise or break bones, crush fingers, or restrict an airway. Though...
P2428 OBD-II Trouble Code: Exhaust Gas Temperature Too High Bank 1
P2428 code definition A P2428 trouble code signifies that the PCM has detected a problem in the exhaust gas temperature sensor circuit in bank 1, which subsequently contains the number one...
How Much Does a Mechanic Make in Vermont?
Automotive technician jobs in Vermont have an average mechanic salary of $37k, with some mechanics earning a salary of $53k.