Test car battery drain xda,battery car manufacturers in india 2014,vehicle battery booster nz - How to DIY

12.07.2015
If you’ve been having problems getting your car started or it has been starting slowly your battery may be getting weak. To determine if your alternator or charging system is causing the problem measure the voltage across the battery terminals when the car is running.
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Car battery maintenance is a year round requirement, because it is very frustrating to find in a morning that your car suddenly can't start because of the dead car battery. IMPORTANT SAFETY NOTE: Keep any open flames away from the automotive battery as it produces hydrogen gas that is extremely flammable. The first car battery test is measuring open circuit car battery voltage to determine state of charge of your lead acid battery - how fully it is currently charged. With the dedicated auto battery tester you connect terminals to the car battery, press the test button and see the measured car battery voltage.
Some sealed maintenance free car batteries have a small built-in hydrometer called Magic Eye with colored readings indicating a good condition (green), a condition when charge is needed and when it is time to replace the battery.
When load is applied, it draws approximately the same current the car's starter motor would draw during cranking. Alternative more technologically advanced devices to measure battery capacity are electro-chemical impedance spectroscopy (EIS) testers and conductance testers. With the selected car battery tester(s) you may like to regularly keep an eye on your battery. Via email, text message, or notification as you wait on our site.Ask follow up questions if you need to. Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I was having a terrible problem with the wheel bearings on my 98 Chevy Cavalier and I suspect that using this website saved me plenty of time and money.
This item will be shipped through the Global Shipping Program and includes international tracking. Will usually ship within 2 business days of receiving cleared payment - opens in a new window or tab. To know that your battery is dead, try turning on the ignition or switching on the headlights.
Sometimes, it might just be the cold weather that causes damage to the battery and all you need to do is visit the repair shop and warm the battery!
Disconnect the battery from the car connections, by following the instructions given in the car manual.
Connect the red lead of the voltmeter to the positive of the battery terminal and the black lead to the negative terminal. Add distilled water until the fluid level rises to about one fourth of an inch above the plate. This method of testing your car battery is easy and gives you a good amount of experience with the car for use in case of any future problems. To check your battery's state of charge, connect the RED or POSITIVE voltmeter test lead to your battery POSITIVE terminal.
The photo at the top of this page shows a battery voltage reading of 12.29 volts, which means the battery being tested is low with only about half a charge. If your battery voltage is less than 12.45 volts (75 percent charged), it is low and should be recharged. Automotive lead-acid batteries should be maintained at a 75 percent charge level or higher for best performance and life.
A good battery is essential for reliable starting, especially during cold weather because cold weather increases the cranking load on the battery. Warning: Do NOT attempt to recharge your battery if it has run down and the liquid inside is frozen.


A GOOD battery is one that will accept and hold a charge, and is capable of producing close to its rated amperage output. Most car batteries only last about 4 to 5 years, so if your battery is 4 or more years older and is not holding a charge (keeps running down), or it does not seem to crank your engine a normal speed, you probably need a new battery.
A low or dead battery does not mean your battery has failed, or that it needs to be replaced.
CAUTION: Conventional wet cell car batteries are filled with a mixture of water and sulfuric acid. The other (and must faster) method for testing your battery is to use an electronic "conductance" tester like the one shown here.
Some electronic battery testers can also analyze the battery's CCA capacity, which can be used to estimate the battery's remaining service life. Diagnostic Tip: You also can use a digital voltmeter to check for voltage drop across all circuit connections, too. Whether your battery tests GOOD or BAD, make sure the battery is fully recharged before returning it to service. Diagnostic Tip: If the alternator on your car has failed, it might mean your battery is not building up normal resistance as it accepts a charge. A replacement battery must have the same post configuration as the original (top post or side post), and fit the battery tray. Next, you have to figure out how many CCAs the vehicle needs for reliable cold weather starting. Another number that is important is the months of prorated warranty coverage provided by the battery manufacturer. Knowing how to test a car battery could prevent you from wasting money on a new battery when you don’t need one. Most shops use a specialized battery tester that can put a large load on the battery, however these are not necessary (though they are convenient). The voltage should rise higher than it was before the engine was started, normally somewhere over 13.5V. Open circuit voltage is measured 12 hours after stopping your car (to allow surface charge to dissipate and enable a more accurate reading) with the engine not running.
With the multimeter you configure it to measure direct voltage up to 20V, connect the red lead to positive battery terminal, black lead to negative and read the measurement from the screen. Capacity load testing is for determining the reserve capacity or amp hour capacity of a battery. Temporarily disable the ignition in your car (for example, by removing the fuel pump fuse) and turn the engine over with the starter motor for 15 seconds.
It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.
I liked that I could ask additional questions and get answered in a very short turn around. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know. Don’t attempt this without the manual or else you might end up irreversibly damaging some cables.
Thus, you’ve checked the car battery and now you need to reconnect everything and restart the car. Some testers can also measure the amps drawn by the starter while cranking the engine, and analyze charging system output under load once the engine is running. This, in turn, makes the alternator keep charging the battery at a higher than normal rate. As a rule, the higher the warranty months on the battery, the higher the battery CCA rating and the better the battery. Though all automotive batteries today are still based on lead-acid chemistry, redesigned grids, thinner plates and new connectors allow more amps to be packaged into smaller cases.


It measures low current draw for 20 hours while maintaining a minimum post voltage of 10.5 Volts at 70 degrees F.
Also, check the negative battery cable ground connection and the integrity of any engine ground straps. It’s also a good idea to test car battery at the start of winter to help make sure that your battery is up to the task of starting your car on a cold morning.
A quick and easy test is to turn the headlights on for 5 minutes or so and then read the voltage across the battery terminals, which should remain above 12V. If you reside in an EU member state besides UK, import VAT on this purchase is not recoverable. Dona€™t ponder too much on the question; this article gives you an idea on car battery testing! The battery can also be low and the lights may flicker or the radio might produce minimized sounds. If the power still doesn’t cross about 10V, then there are some other problems causing the decline. So consider upgrading from a basic 36-month replacement battery to a premium 72-month battery.
AGM technology also makes batteries more resistant to vibration damage and helps extend battery service life. If your battery is completely discharged it’s best to use a battery charger to top it up as alternators are not meant for this task and do a poor job. With a helper giving the car some gas to get the revs up to normal cruising speed the voltage should stay above 13.5V. In the load test you measure car battery voltage under load similar to what happens when starting the car.
But, you might wonder how you landed up with reduced battery power without any fault of yours. The only way to test a battery’s performance is to examine the voltage output it is offering.
The electrode plates must be drowned in the electrolytic fluid (if you don’t know how to do this, consult a mechanic!).
The battery should read more than 10V when cranking, and shouldn’t drop to below 9V even after 10-15 seconds of cranking on a cold day. Before performing this test make sure that the state of charge of your battery is greater than 75%. There are several causes for bad battery in your car and your role is an important factor here. In the test apply a load equal to one half of the cold cranking amperes (CCA) rating of the battery for 15 seconds. It is not hard to do this test and when ever I get a problem like this I do a battery load test first. Afterall statistically, driving habits rather than battery defects are often the reason for battery failure. A car company reveals that out of every 400 battery operations they undertake 200 are just fine! Other causes of failure include low charge, cold weather, car alternator problems, sulfation and acid stratification. A car battery is an electrochemical device that creates energy using an alternator that stores electric power and reloads itself when it is charged. Regular testing and maintenance of a car battery is essential to enhance its life and performance.



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