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Easy Ways to Test Your Battery Voltage

EASY WAYS TO TEST YOUR BATTERY VOLTAGE

Getting stuck with that dreadful #Battkong experience can be draining and at times stressful too. Without a functioning battery, you’re bound not to drive your car anywhere. Which means you should regularly check you battery’s charge and at least learn to identify symptoms that your car is telling you when its battery is about to run out of juice.

Today, allow us at Bateriku.com to show you an easy way to test your battery voltage.

Fortunately, this is a relatively simple task. If you have the right tools for the job, there’s no reason you can’t do it all by yourself.

BEFORE WE START

Identify if it’s an Alternator or a Battery issue?

If you’re noticing some power issues, normally at the start of igniting or cranking your vehicle and you’re concerned about the prospect of a dying battery, you should first run a couple of tests to determine whether the issue is with the battery or the alternator.

Wondering what’s the function of the alternator? Well, it is the part that converts energy from the engine into alternating electrical current for the battery, which powers the vehicle’s electrical systems. So, if it seems like your battery isn’t working, this is the first place you should look.

Do remember to perform the inspection after your car has settled for several hours to get a more accurate reading. Ensure the level is at optimal level to keep your car healthy and well.

Every once in a while, take the time to check underneath your car for any leakage too.

WAYS TO CHECK YOUR ALTERNATOR

After you’ve started your vehicle, turn on your headlights. If you discover that the lights are a little dim, then that could be an indication the lights are being powered primarily by the battery. In such a case, this means there is little or no charge being created by the alternator.

With your headlights on, try revving the engine. If your lights shine brighter during the rev, it could mean that your alternator is producing some current, but not enough at idle to maintain a sufficiently charged battery. Conversely, if the brightness of the headlights doesn’t change intensity, your alternator is most likely working smoothly.

If your interior lights are gradually dimming as the car is running, your alternator is likely to blame.

If you remember hearing a slight growling sound coming from your vehicle before your things took a turn for the worse, that may be a clue that alternator is deteriorating.

Note: If you aren’t experiencing any of these symptoms, you should check your battery’s voltage.

WAYS TO CHECK YOUR BATTERY VOLTAGE

How to Test Your Battery Voltage with a Voltmeter

A simple method for checking your battery’s voltage involves using a voltmeter, which measures the electrical potential difference between two points in an electric circuit (voltage). We recommend you opt for a digital voltmeter as they are much easier to use.

For the most accurate reading, perform this test twelve hours after turning off your vehicle to give any surface charge a chance to dissipate.

Make sure your vehicle is turned off.

Remove the battery’s positive terminal cover. Check the terminal for any corrosion and clean it off if necessary. You’ll then want to attach your voltmeter’s positive lead to the positive lead on your battery. After that, connect the negative voltmeter lead to the negative battery terminal following the same steps you did for the positive end. Now, you’re all set to check the voltmeter readings.

Check the reading. A fully charged battery will typically display a voltmeter reading of about 12.6 to 12.8 volts. If your voltmeter is showing a voltage anywhere between 12.4 and 12.8, that means your battery is in good shape.

Any voltage above 12.9 volts is a good indicator that your battery has excessive voltage. If that’s the case, turn on the high beams to drain excessive voltage surface charge. (Also, an excessive charge could mean that your alternator is to blame for an over charged battery.)

Charge your battery if the voltmeter displays a voltage below 12.4. But if you’re voltmeter is reading anything below 12.2 volts, you should consider “trickle charging” your battery. This essentially means that you would be charging your battery at a much slower rate, which allows you to avoid the risk of applying excess charge amperage that could cause a lot of excess heat and off-gassing (and in extreme cases, explosions).

Other Methods

These are the most convenient and cost-effective methods to identify if your car is having an alternator issue as well as to check on your car’s battery’s voltage.

Alternatively, you can also connect with us at Bateriku.com either through our mobile app, available through Google Playstore and Apple Store, through our website at www.bateriku.com or you just give us a ring through our Hotline at 011-1600-6008. We are more than happy to assist you either through the line and if necessary, don’t hesitate to request for on-site assistance through our experienced mobile technicians, BaterikuPreneurs or even our Bateriku Hero who are available nationwide.
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