How To Test Battery Using Tester

Take another reading with your voltmeter.

How to test battery using tester. Take a reading of the battery terminal voltage. Ask a friend to put on the ignition for 15 seconds. Your multimeter and battery are probably both color coded so the negative terminal and probe will be black while the positive terminal and probe are red.

Place the red lead on the positive battery terminal indicated by a red cover or a symbol. A brown or gray coloration indicates a problem with the battery and is a sign that the battery. Examine the color of the electrolyte.

Then observe the multimeter. The term used to describe the batterys power is cold cranking amps or CCA. Httpsamznto2msGqBSShop for rechargeable batteriesUS.

Battery load testing involves measuring the amperes produced by a charged battery and is particularly relevant for vehicle batteries. The red wire should meet the positive and then check its display. Usually all portable devices supply DC Direct current.

If your tester shows a passfail or greenred instead of actual cranking amps write down the. I set the meter knob on 20 volts range and i check a car batter which is 12 volts but you can also check your mobile battery by using. With a multimeter you can check the potential difference of a battery which will tell you whether the battery is good or not.

If the reading is below 124 volts you may need to charge your battery. The multimeter has a positive and negative lead. Universal Battery Tester with LCD DisplayUS.