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Q: When you buy a battery how can you tell which one will provide most energy?
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What are the three main types of molecules in food that provide us with energy?

carbohydrates


How do you tell if battery is dead?

If you do not have a volt meter you can not really determine the health of your battery. You can ask your auto parts store to "load test" it. Most provide this service for free. It does seem today's batteries do not give a warning... when they quit, there are junk. I've had several that will not even take a jump.


How do you tell if your car battery is finished?

Have it load tested by a shop, most parts stores will load test your battery and alternator for free.


Can someone tell me why the battery keeps dying even though i have replaced the alternator?

Is it new? if it is it's not the battery. If it's really old your battery most likely is leaking.


Is battery size marked?

On most batteries I have seen, the part number is on the top along with the specs of the battery. Most auto stores as well as Walmart have a reference book or even an electronic guide that will tell you which is the correct battery for your car.


How can you tell if a battery still has power?

There are a couple of ways to look at a battery and give it a "test" to see how good it is. One is to measure the voltage, which is a static test. This in not the most definitive way to check out a battery, but it can give some indication as to how much energy is left in the battery. The "proper" voltage that a battery has will creep down as it is used, and then fall off quite dramatically near the end of its usefulness. For example, if you see a battery that should have 1.5 volts across it and it reads 1.1 volts, most of the energy in the battery has been drawn off. The second way to test a battery is the load test, which is a dynamic (and more "real") test. If we use a battery tester, which is simply a resistive load with a "scale" on it, we can get a better idea of how much energy remains in the battery. The little units basically look at how much the voltage "sags" or "drops" when we apply a load. The scale gives some indication as to the remaining energy reserve based on that test. The more the voltage drops when the battery is loaded and asked to deliver current, the less energy that remains in it.


What are the most common hybrid car problems?

The most common problem from what I can tell is battery failure. This car needs a much stronger battery than a normal car, and they are still working out the technical side of this.


What is the principle form of energy loss in most physical systems?

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What country gets the most solar energy?

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Name two other forms of energy produced as a result electiricity?

Heat and chemical energy. When you charge a battery, energy will be stored as potential energy* and will release heat as a by-product. *I am not sure if potential and kinetic energy just tell what condition an energy is. I will say that the energy stored will be turn into potential which is then turned into chemical when a thing needs to mechanical energy.


How do you tell if it's the alternator or battery?

Have a shop load test the battery.


Battery on a Lexus?

what is your question.... which battery is needed on your lexus...? Go to an auto parts place and tell them the model car you have or remove the battery and bring it to them... tell them you want the same...