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Batteries

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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
Idk
Hello, thank you for writing in. When a vehicle has alternator issues, the entire car is forced to run off of the battery. As you can imagine, this stresses out the battery and can cause it to prematurely fail. Start...
Question
Car won't stay charged for some reason
Claimed by Jeff Engstrom
Question
My car stalls when driving battery light comes on before it stalls and then has a hard time starting ...seems like it has no power
Hello, thank you for writing in. There may be an issue with the alternator or the battery. The first thing you can do is scan the vehicle for diagnostic codes. The check engine light is on because a code has...
Question
Car is slowly starting up
It could just be that your battery does not have a full charge. Modern cars will draw a small amount of power from the battery even when everything is turned off in order to maintain all of the computer memory....
Question
Car was struck by lightning and won't start
Hello, thank you for writing in. Unfortunately, there is not a cut and dry answer for your problem. Lightning strikes are not created equal, nor is the damage they cause. You most likely have electrical issues, rather than something mechanically...
Question
Car started fine. Went 2 minutes around the corner to store, turned car off came out 5 minutes later, car wouldn't start. No noise
Hello, thank you for writing in. The vehicle is likely having issues with charging system. If the alternator or battery is failing to replenish the charge used while starting and driving, the next time you go to start your car...
Question
My car sits for 2-3 hours, barely starts, almost like the battery is dying. But once i get it started and i run im and out of stor
You will need to have your battery load tested. The reason it cranks slow after sitting is because the battery is getting weak and will not hold a charge for long periods. It will most likely need to be replaced....
Question
My 96 Ford Taurus alternator and battery tested good but battery won't stay charged
Hello. If the alternator is testing good then you probably have a failure in the control circuit for the alternator. This can be a fuse, wiring or it can be the computer. I usually need to test the circuit with...
Question
I have a vehicle where the battery is brand new, I had it tested, whereas the battery is putting out 11.9 volts. But when I go to
You are likely having issues with your charging system. Considering you have a new battery, your alternator may be to blame. Keep in mind, that the symptoms you are having are more commonly seen with battery failure. For this reason,...
Question
My 2011 chevy Cruze keeps saying check battery charging system and the battery and alternator are both completely fine. Any ideas?
Hello, thank you for writing in. If you are not able to find any faults with the battery or the alternator, you are going to want to focus on their wires and connections. Make sure all of the wires are...
Question
So I bought my wife a 2016 malabu and out of no where the battery saver light came could it be the same as the cruz
Hello, thanks for writing in. Both the battery and the alternator may be at fault. The light turns on any time low voltage is detected. That being said, both are easy enough to test. Most automotive parts stores will test...
Question
Brand new battery. car won't start 1996 Saturn SL. Went to the store just fine. Go to leave won't start, made noise, now nothing.
Hello, thank you for writing in. The first thing to check with your starting issues are the connections to the battery. Make sure the battery cables are clean, dry, and tight. From there, you will want to look into having...
Question
New battery goes dead overnight
If you have a new battery, you should be able to drive for a few hours and be able to restart the car a couple of dozen times even if the alternator is not working. So I suspect you have...
Question
Check engine and ABS light came on then went away
Hello, thank you for writing in. Battery issues cause malfunctions with all of the systems that use its power to function. Most commonly, the charging system light, check engine light, and ABS light come on when there is an issue...
Question
My ford f 150 want turn over changed battery
Hello. There may be one of several issues wrong. When having starting and running issues, always verify that the alternator and battery are working perfectly first. Make sure the battery cables and grounds are clean, dry, and tight. From there,...
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
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
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...

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