What criteria do you use to determine which battery is best for you? Here are some simple pointers to assist you in making the best decision possible.Ĭheck your vehicle’s manual for instructions from the original equipment manufacturer for: CCA and Other Important Things To Consider When Buying A Battery The battery appears to be properly charged, however, it already has a low CCA. The open-circuit voltage is intentionally raised by a high acid concentration on the bottom side. It also causes degradation, which decreases the battery’s performance over time. Plate activation in a limited acid environment. Using your battery in this manner for an extended period of time and then recharging it by driving might cause the sulfur in the electrolyte solution to cling to the lead and cause further damage to the battery plates. This can lead to the battery losing cranking amps Deep DischargeĪ large number of battery problems are caused by a deep discharge which occurs when the battery is used to power your car’s audio, lights, or other electrical equipment when the engine is turned off. Each cycle wears down the plates slightly, and the lead deteriorates with time. Thousands of discharge-recharge reactions occur during the life of a battery. What Causes A Battery to Lose Cold Cranking Amps?įollowing are the reasons what cause a battery to lose cold-cranking amps: Plate Wearing Down The results should be shown on a graph, with a peak and average CCA reading indicated. Shut off the car after 30 seconds and check your multimeter for CCA readings. Turn on your Multimeter and select the CCA Reading option. Tighten the bolts on the battery terminals to ensure a proper connection. Before reconnecting the terminals, make sure they’re totally dry. If the connecting gap has accumulated filth, clean it with baking soda and water. Step 4Ĭonnect the multimeter’s positive and negative leads to the battery’s positive and negative leads. Using the socket set, loosen the two nuts on the positive and negative terminals of your battery. Open the hood and look for the battery Step 3 Check to see whether it’s in a well-ventilated area. Place your multimeter near your engine on the ground. The acid in battery acid is extremely damaging to your skin. The majority of manufacturers estimate this voltage to be less than 10.5 volts.įollow these steps to determine the CCA of a battery: Tools You Need to Run this Test:Ĭaution: Put on your work gloves, which are made of rubber. How Do You Calculate Cold Cranking Amps of A Battery?Ĭold Cranking Amps, or CCA, is a measurement of how much current, or amperes, your battery can deliver for thirty seconds when it is started at 0☏.įurthermore, the battery is not permitted to fall below a specified voltage threshold during this period of current delivery. If the CCA value is low, it is more likely to fail while the engine is cold since the battery can give less energy and the engine is “harder” to start in this state.Īdditonally, the motor will not receive the necessary current during the start-up procedure.Īlso because the electric motor will be compulsive for current, it may produce additional stress and heat on the motor’s components. The battery must supply extremely high currents while starting the engine, that’s why the CCA number is critical in cars. 8 Final Words What Happens If A Battery Doesn’t Have Enough CCA?
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