Skip the auto shop - Our mechanics make house calls

Q: Battery not holding charge

asked by on

My battery won't hold a charge.

Hi. Inside a 12 volt battery there are 6 cells and each cell has a number of plates in it. These plates are suspended in acid which starts the chemical reaction that produces voltage across the terminals of the battery. Through the battery’s life, deposits form as material is transferred between the plates. If the deposits from one plate touch another, it shorts out the battery, effectively making the battery lose its charging ability. I would recommend you have a mechanic, like one from YourMechanic, inspect the battery on your vehicle and replace any damaged parts.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!
  1. Home
  2. Questions
  3. Battery not holding charge

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: Engine not turning over

A year is a very long time to have a vehicle sitting. At least once a week the engine must be started and ran, and the vehicle driven until the systems are warmed up. The engine oil must be changed...

Q: Cylinder #6 misfire on 4.0 liter SOHC

Hello. Good job on getting the basic tune-up work done! Given the mileage, this engine may have a longer-term issue, namely, accumulated wear on piston rings or a blown head gasket. Both of these can be diagnosed with a compression...

Q: My car has a check engine light and gave codes P2195, P2251, P0170

Based on these fault codes, it sounds like you have an oxygen sensor that as failed and it will need to be replaced. The trouble codes will also have to be cleared after the sensor is replaced to see if...

Related articles

How Long Does a Distributor O Ring Last?
The distributor is part of the ignition system in your vehicle and its purpose is to route high voltage from the ignition coil to the spark plug. The spark plug then...
Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...
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...