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Batteries

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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 Do I Prepare My Car for Summer?
Summer's Summer's heat, dust, and stop-and-go traffic will take their tolls on your vehicle. Follow these tips to ensure optimum wellness of your car: Air Conditioning: Have your air conditioning inspected (https://www.yourmechanic.com/services/heating-ac-inspection) by a qualified technician. Newer models have cabin...
The Top 8 Things That Will Drain Your Car Battery
Your car battery could keep dying from a variety of reasons such as age, a bad alternator, human error, and more.
The Top 8 Things That Will Drain Your Car Battery
Your car battery could keep dying from a variety of reasons such as age, a bad alternator, human error, and more.
The Top 8 Things That Will Drain Your Car Battery
Your car battery could keep dying from a variety of reasons such as age, a bad alternator, human error, and more.
How to Start a Car in Cold Weather
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How to Remove a Car Battery
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The Do's and Don'ts of Jumpstarting a Car
Knowing how to jumpstart a car is a skill all drivers should have. Always ground the circuit and connect the jumper cables to the proper terminals.
The Do's and Don'ts of Jumpstarting a Car
Knowing how to jumpstart a car is a skill all drivers should have. Always ground the circuit and connect the jumper cables to the proper terminals.
The Do's and Don'ts of Jumpstarting a Car
Knowing how to jumpstart a car is a skill all drivers should have. Always ground the circuit and connect the jumper cables to the proper terminals.
Understanding Electric Car Batteries
Know how your electric vehicle's battery works to maximize its life and efficiency — and whether replacement is covered by manufacturer warranty.
The Top 8 Things That Will Drain Your Car Battery
Your car battery could keep dying from a variety of reasons such as age, a bad alternator, human error, and more.
The Top 8 Things That Will Drain Your Car Battery
Your car battery could keep dying from a variety of reasons such as age, a bad alternator, human error, and more.
The Top 8 Things That Will Drain Your Car Battery
Your car battery could keep dying from a variety of reasons such as age, a bad alternator, human error, and more.
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 Dispose of Car Batteries
Car batteries have chemicals which can damage the environment. Dispose of car batteries at a battery recycling center or a local auto supply store.
The Do's and Don'ts of Jumpstarting a Car
Knowing how to jumpstart a car is a skill all drivers should have. Always ground the circuit and connect the jumper cables to the proper terminals.
The Do's and Don'ts of Jumpstarting a Car
Knowing how to jumpstart a car is a skill all drivers should have. Always ground the circuit and connect the jumper cables to the proper terminals.
The Do's and Don'ts of Jumpstarting a Car
Knowing how to jumpstart a car is a skill all drivers should have. Always ground the circuit and connect the jumper cables to the proper terminals.
How to Change Battery Cables
Although simple in nature, battery cables (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-battery-cable) are one of the most important components of a vehicle’s electrical system. They serve as...

Related questions

Wont Start
Make sure the battery cables are clean (https://www.yourmechanic.com/article/how-to-clean-battery-terminal-connections-on-a-car) and tight. You need to make sure you check ALL fuses (https://www.yourmechanic.com/article/how-to-check-fuses-by-rocco-lovetere) to see if there are any that are draining the battery. Crank your car for 15 seconds. Do this 3...
Won't start
You need to look on the dash to see if your theft light is active. The system will let you crank it a few times until it locks out the crank signal. You may need to try another key if...
Vehicle won't start
It sounds like you may have a fuel level sensor failure. Verify there is fuel in the tank, if possible, to eliminate the low fuel as an issue. Electrical testing (https://www.yourmechanic.com/services/electric-problems-inspection) can be done to determine if the sensor is...
vehicle will turn over but not start
Vehicle electronics are very sensitive to voltage fluctuation. Crossing battery terminals/jumper cables can do a lot of harm when mistakes like this are made. Your symptoms sound like a shorted PCM (Power Control Module). Since you can't get the vehicle...
Trunk will not open
The trunk on your 2011 BMW 328i most likely has a power open button. If the battery is not in the vehicle, the vehicle has no power and therefore electrical components will not work. The best recommendation I have for...
Truck won't stay running
One of the hardest problems to diagnose are electrical gremlins. Without being there to physically inspect your 97 Dodge Ram pickup, it's hard to give you a perfect diagnosis. However, when the battery and alternator are good, I tend to...
Trouble starting car
Engine stalls are often caused by a malfunctioning sensor if not lack of fueling or ignition system maintenance. A trained technician will take them all into consideration. Worn spark plugs may cause a stall on their last leg and prove...
The CAR does not crank or start
Your are correct in beginning with the battery, but unfortunately in this case it didn't fix your problem. In the future I recommend having the battery thoroughly tested (https://www.yourmechanic.com/article/how-to-check-a-car-battery) before replacing it. At least now you know you have a...
Starter issues.
There are many problems that will prevent a vehicle from starting intermittently. If the engine doesn't crank at all, you have a problem with the starting/charging system or the engine is seized. If the engine cranks normally but doesn't start,...
Something is draining the battery.
I would look inside the car for an interior light that is coming on first. Usually a glove box light or a trunk light that is staying on when the car is off. If it's not a light then a...
Won't stay running
Hello and thank you for your question. It seems to be the transmission that is causing the engine to stall out when you are putting the vehicle into drive. The transmission could have a converter clutch lock up issue causing...
Why Won't My Car Start?
There are many reasons why your car may not start. Some common causes include a dead battery (https://www.yourmechanic.com/services/battery-replacement), faulty starter (https://www.yourmechanic.com/services/starter-replacement) or starter relay (https://www.yourmechanic.com/services/starter-relay-replacement), fuel pump issues (https://www.yourmechanic.com/services/fuel-pump-replacement), clogged fuel filter (https://www.yourmechanic.com/services/fuel-filter-replacement), and computer or sensor issues depending on...
Vehicle won't start
Hello. This is not a problem with the alternator or the starter. I have yet to see a bad starter on this vehicle. It is almost always the battery. The battery will need to be load tested to verify this....
Undriven car's battery started, but ran rough
Hello there, When vehicles sit for long periods of time like this a few things can happen. The battery can drain (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-battery), the fuel can lose its octane rating, and oil can pool in the cylinders. If the vehicle is...
Truck won't turn over
The battery should be load tested by a professional. Load testing can only be reliably performed on a fully charged battery. If the battery passes a load test be sure it is NOT a marginal pass in which case you...
Truck cranks but won't start
Hello. If this happened right after replacing the battery terminal, then you may have a security system issue or a problem with the crank position sensor. Most of the time when you have a loss of voltage, the security system...
The car has no electrical power at all
Hi. I would recommend to have a technician check for any loose power or ground wiring. There also could be some corrosion present that is blocking the electrical current flow. I also recommend that the technician use a test light to...
the battery won't stay charged.
I would first verify that the vehicle has a drain above 200 milliamps by disconnecting the battery's negative cable and putting an amp tester between the post and clamp. The test should be done correctly by having the tester attached...
Starter
Hello, thank you for writing in. Starting the car relies on the battery alone. If the battery is not producing the voltage and amperage needed to start the car, then the battery and the cables need to be inspected. First,...
Something is draining the battery
Even though you did disconnect the battery, thus preventing any "external" current flow overnight, you still should check for parasitic current draw from the vehicle's electrical system, that is a current flow of (roughly) 50 or more milliamps when the...

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