The phased replacement of the electrolyte in the battery

Despite the fact that today most batteries for cars do not require frequent maintenance (often referred to as maintenance-free power sources), there are cases when this cannot be avoided. The most difficult and important service operation is to replace the electrolyte in the battery.

What you need for a replacement of the electrolyte

So, lead-acid battery – the instrument, the purpose of which is to store energy using chemical reactions. They occur in a solution of distilled water and sulfuric acid. In other words, in the electrolyte. It sometimes needs to be replaced. The solution of this problem is especially important when you need to restore the old battery. To replace the electrolyte in a car battery is successful, you need to have multiple devices. So, this charger is 12 Volts and aeromet, which measure the density of the fluid. You will also need a funnel, through which banks pour the electrolyte. Some people make the solution themselves, while others acquire in stores ready.

Step by Step instructions: replacement of the electrolyte of the car battery

1. Before you begin the process, you need to rinse the inside of the battery purified water. Because of this the body will work to remove mechanical impurities. Is intensively shake the battery when flushing – so coal baby out with the water. Then it is necessary to remove salt deposits from the electrodes.

2. Then you will need a bottle with the prepared electrolyte. Its density should be 1.28 g/cm³. The solution is to pour in each jar, which will need a funnel. She must be a narrow neck. You can add additives to the electrolyte, for example, to remove the electrode from the sulfate. To charge we have to act when the body leaves the air. Also need to dissolve the additive. No need to hurry, it completely dissolved after 40-48 hours.

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Charging

Replacement battery includes a connection start-charger. It is worth noting a caveat. The battery, after the electrolyte is replaced, it is necessary to charge cyclical, following the scheme called “charge-discharge”. This process will last until such time as the density is restored. In this mode the indicator current should be 0.1 A. to make sure that the solution is not “saved”. That the charging is complete, evidenced by figure 2.4 Volts (voltage) on each section. After rated voltage is reached, it is necessary to reduce twice the charging current. And if in the next two hours, the density does not change, the charging can be completed. But then we have to disarm it by applying current to 0.5 A (up to the moment the voltage reaches 10 V).

How to calculate the capacity values

As you can understand, to replace the electrolyte in the battery is successful, it is necessary to know this figure. It is easy to figure out. Of time, during which there was a discharge and the amount of current that is available and calculate the capacity. It should be noted the fact that if the capacity values will be lower than four amperes per hour, it will be necessary to repeat the charge cycle. Replace the electrolyte in the battery, as you can see, the process is not very difficult. But the most important thing – to act in stages, observing all the rules for how professional replacement will be provided, depends on the result. In particular, care should be taken to prepare the electrolyte. The best option – to get ready, because, if the experience is in this case no, better not to risk it.