1. Home
  2. Advice
  3. Tags
  4. Batteries

Showing articles & questions for topic
Batteries

Related articles

How To Jumpstart Your Car
A how-to guide to jumpstart your vehicle in the event of a dead battery. You'll need jumper cables, safety glasses, and a properly starting car.
How to Clean Battery Connections
Cleaning your battery connections, especially if the terminals are corroded, will help ensure the battery lasts longer and performs well.
How to Check a Car Battery
It never fails - you’re in a rush and the kids are throwing a...
How to Diagnose a Car Battery Drain
It is safe to say that every car owner reading this has likely experienced that time where you were leaving your home or walking out to your sitting car,...
How to Change a Car Battery
Changing your car battery is a simple and easy automotive repair that you can...
How to Deal With a Dead Battery
If your battery appears to be dead, try a few steps to start your car before determining if it needs to be replaced or towed.
How to Care for Your Car Battery
How How to Care For Your Car Battery Your car’s battery may have been neglected if you have difficulty starting your car, and it is usually when the weather turns...
How to Fix a Car That Won’t Start
Having a car that doesn't start is frustrating. Try a battery test, fuel pump test, and check the spark plugs to help get your car started again.
How to Buy a Battery for Your Car
Your car battery is a storage device for the electrical power you need to start your car and operate your car’s options. If your car battery isn’t working as it...
How to Check Electrolyte Levels in Your Battery
Part of what makes a modern battery work so effectively is the ‘wet cell’ design they utilize. In a wet cell battery, there is a mixture of...
How to Change Battery Cables
Although simple in nature, battery cables are one of the most important components...
How to Use a Battery Charger
Most people who have been around cars for a good chunk of their lives have experienced the hassle and inconvenience associated with a dead battery. Sometimes it simply happens...
How to Buy RV Batteries
RV (recreational vehicle) batteries come in many different types, and what type is best depends on the useage and conditions the RV will be exposed to. Unlike cars, RV’s use multiple...
How to React If Your Battery Light is On
The battery light or charging warning light, available on the dashboard...
Electric Cars and How They Work
Electric cars use an electric motor driven by a control unit. Their batteries are filled at charging stations and they produce no tailpipe emissions.
How to Attach a Car Battery-Mounted Power Cut-off Switch
Many people who store their vehicle for a length of time like to disconnect the battery from the electrical system of the vehicle. This prevents the vehicle from unintentionally draining the...
How to Replace a Key Fob Battery
Key fobs allow easy access to your car. Once the key fob battery is weak or dead you'll lose your fob's ability to control remote functions.
10 Best Miniature Jumper Packs For Your Car
Jumper cables and jumper packs charge your car battery when it needs a boost. The NOCO Genius Boost Plus is the best spark-proof, miniature pack.
3 Ways to Increase Car Battery Life
Car battery life is 2 to 6 years. Extend the life of your car battery with regular maintenance and turning off the headlights when the engine is off.
How to Replace a Car Battery Temperature Sensor
The battery has a battery temperature sensor that can fail if the Check Engine Light comes on, the battery voltage is low, or the RPM curve surges.

Related questions

Question
Battery light is on after a new battery
Hello, thank you for writing in. The vehicle may be having issues with the alternator or with the charging system's electrical wiring. Start by making sure all of your battery terminals, ground connections, wires to the alternator, and wires to...
Question
Car battery replacement
Your car uses two batteries: one large one for the starter and another for the body systems. So it will take some testing to determine whether you need one or both. Contact Your Mechanic by clicking the link to schedule...
Question
2014 town and country wouldn’t start. Battery voltage was low, so had battery tested and it failed because of bad cell. Bought rep
Your vehicle cannot cause the battery to have a bad cell on the replacement battery. Get a new replacement battery and install it and have the charging system rechecked to make sure it is not over or undercharging the battery....
Question
New battery will not stay charged.
If your charging system were not working your car would not continue to run after a jump start. But for some reason the power produced by the alternator is not reaching the battery or there is an interruption that you...
Question
Q: Amber engine light came on seemed to lose power. 2014 LR2 ,HSE 4 cyl turbo charged
The brakes will need to have them inspected to see if they need replaced. The check engine light coming on and loss of power will not be due to brake pads are low. You will need to have the computer...
Question
I have a Chrysler 300 I jus bought i had for only a week n I parked it one day my daughter locked my keys in my car so we had to f
Hello, thank you for writing in. Although the battery is good, it may not be charged. This sounds like the most likely cause of your issues. Try to jump start the vehicle, or put the battery on a charger. If...
Question
Car's electrical completely dies at first crank. Battery is brand new and has been tested at 505 amps.
Hello, thank you for writing in. Electrical issues like this can be tricky. The first thing you should try is starting the vehicle with another battery. Pull a known good battery from another vehicle, and try it in your car...
Question
My battery is new but when i turnover ignition no lights come on
If you just replaced the battery and still have no electrical power to anything on the vehicle I would first suggest you try and get a jump start to see if the battery you got is bad or low on...
Question
New battery still gives a poor voltage when driving it gives the proper voltage.
The test you performed doesn't really tell the whole story. The alternator may be charging, but not up to capacity. To be sure you need the equipment to load test the charging system and see if the alternator output is...
Question
Tried to charge a battery alarm goes off
This is a problem in the garage a lot. You connect a battery and the alarm sets, then the car goes into lockdown and you can't start it. Sometimes it takes some experimenting. I would start by charging the battery...
Question
I was driving my car and i noticed it start making weird noises and then the engine quit working
It's hard to say from this chair, there is a wide range of possibilities. But you might just be having charging system problems. If the charging system failed a few days before, you can drive for a few hours before...
Question
My truck turns over and acts like it wants to start but doesn't and now the battery is dead.
It could be that all your trouble is in the battery-charging system. If the system voltage drops below about 10 volts. The electronics will not work correctly but you will still have enough voltage for the starter to turn. The...
Question
Can the sun drain your car battery
The sun cannot drain your battery. Excessive hot or cold conditions can cause premature failure of a battery. If your battery is going dead then you need to have battery charged and tested along with the charging system tested and...
Question
Reduced engine power light is on 2003 Chevy Tahoe I need a new battery can that be the problem
A defective battery can cause all sorts of running issues due to voltage is too low or high causing erratic sensor and component performance like low fuel pressure or lack of power. I recommend replacing the battery first if it...
Question
My car acts like it’s about to die.
If you have a battery that is on the verge of going bad and is only at 79% then what can happen is you could have the other electrical loads cause erratic operation at lower engine rpms. If you have...
Question
My car today was pulling back when I was putting gas, what can be the cause? I recently got a new altantor and belt on Thursday.
If you had the battery disconnected it may take a few days of driving for the computer to reset and may have different running issues until it will drive normal again. If you get any kind of check engine light...
Question
Chevrolet Aveo 2005 won't start after cold weather.
Cold weather is hard on batteries and it sounds like yours is dead. There is enough power to light the dashboard until you try to draw power to the starter, Then everything goes dead, the starter solenoid drops back, the...
Question
I have a 08 ford focus, its super cold and it tries to turn over but ultimately won't, the battery is giving me 12.3 volts.
When the weather gets cold, I replace a lot of batteries. If your battery is marginal, it will work just fine until the temperature drops, then it won't have enough reserve to do the trick.Testing it with a voltmeter won't...
Question
Top radiator hose burst now car wont start
For whatever reason, it sounds like the battery is dead. .You will need to have your battery replaced and your charging system checked. I don't know if this has anything to do with the hose breakage, perhaps the technician who...

Need a mechanic?

Our certified mobile mechanics make house calls in over 700 U.S. cities. Fast, free online quotes for your car repair.

Get a quote

Post a question and get free advice from our certified mechanics.


Ask a question