Note: the longer your battery has been in a low-charge state, the less likely you will be able to restore it. If you check the battery’s voltage multiple times with a voltmeter and the charge is consistently below 12 volts, it has most likely suffered from sulfation and should be restored.If your battery is older than four years and/or has perpetual trouble starting your car, regardless of frequent charging, it should be restored. Most car batteries today last an average of four years.In this case, it is best to replace the whole battery. A battery shouldn’t be restored if it has any major physical defects like burnt connectors, melted plastic housings or warped battery sides.If your battery can no longer start your car, it is time to restore it.In order to determine whether or not you should restore your car battery, consider the following details: This is much preferred to replacing a costly battery. Luckily, if there isn’t an over-abundance of sulfur corrosion, a car battery can be restored. An excess of sulfur build-up on a lead acid battery plate will increase charge times and heat build-up while reducing run time between charges eventually, it can cause the battery to fail altogether. It can be caused by overcharging, storing a battery at temperatures above 75☏ or storing a battery when it’s not fully charged. Sulfation occurs when sulfur accrues on the lead plates that reside inside the battery casing. This means they have lead-acid cores that can suffer a condition called sulfation over time. Below, we take a look at how to refurbish a car battery and why it is so important.Ĭar batteries are types of lead-acid batteries. Reviving worn- out car batteries is an important money and time-saver – and one that could save you from hardships in the future. If you have an old car battery that has a low voltage output, it might be time to consider a small restoration project.
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