How to Check Car Batteries

battery The battery of your car is important equipment. It needs regular check. A damaged or leaking battery is bad for your car’s health. There are a few signs that will tell you about your batteries health. While checking keep your eyes on these signs to know how your battery is doing. Here we have a few suggestions that will tell you how you should do the checking.

Check them Visually

This is easy to do. All you have to look for are signs of corrosion, damage in the case, level of electrolyte, and cable terminals. Make sure that the electrolyte level is above the plates. If it is not you may have to increase the level by adding distilled water. Check if the cable terminals are loose.

Type of Battery

This makes battery checking easier. You can invest your money either in low-maintenance one or on the maintenance free ones. Both have their pros and cons. While low-maintenance ones will provide you the opportunity to take care of the electrolyte level the maintenance free ones would not need any prevention checks.

Quality of the Battery

Do not buy any cheap batteries. The last thing you want is to change your batteries at every month. Take a look at the freshness of the battery. You should not invest your money in a battery that is more than 6 months old. Do not forget to notice the Reserve Capacity of your battery while buying it.

Protection from Freezing

You should not let your batteries to freeze. This will harm them. If your battery freezes then it will surely fail. That is why you should see to it that your batteries are well charged.


It would be better if you can also notice the charging quality of your battery. They should neither be overcharged nor undercharged. The overcharging limit is 15.1 volts. Anything above that will damage the battery. If you live in a cold climate then you have to give them adequate charge to stop it from getting freeze.

Checking the State-of-Charge

You can buy and use a hydrometer to do this test. This is nothing but an inspection of the gravity in each cell. Another instrument that comes handy for this test is a voltmeter. If the reading of the test shows the state-of-charge to be below 75% then you have to charge the battery. In case your battery does not get recharged to 75% or above then it is time to replace it.

Follow these tips and you will keep your car batteries in good condition for a long time.


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