You can also use the power supply to equalize a lead acid battery by setting the charge voltage 10 percent higher than recommended. The time in overcharge is critical and must be carefully observed. (See BU-404: What is Equalizing Charge) A power supply can also reverse sulfation.
During the charging process, the charging source’s electrical energy is stored in the battery’s chemical energy. Batteries, however, can be manually charged with a power source that has adjustable current and voltage restrictions. We’ll learn how to charge Lead Acid battery with power supply in this article. What are lead-acid batteries?
Often a Lead Acid battery (gel or wet-cell) is found to be the best solution because of the high capacity and relative low cost. The battery is charged during normal operation, and used to power the system during power loss. These systems require a circuit to charge the battery as well as regulate voltage for the system Vcc.
Connect your old lead-acid battery to a battery trickle charger or a computerized smart charger and charge it continuously for a week to ten days. The battery is revived by the extremely slow charging rates, which dissolve the desulphation that kills it and restores its ability to hold a viable charge.
Therefore, to charge a 12V lead-acid battery using the modification suggested above, a resistor is connected in series with the lead-acid battery to limit the charge current to 2A. The charging waveform of a 12V lead-acid battery is shown in Fig 8. The battery was initially discharged to a voltage of 11.4 V.
You may use the power source for equalization of a lead-acid battery by setting the charging voltage 10% higher than recommended. The amount of time spent working overtime is critical and should be kept track of at all times. With the use of a power source, sulfation may also be reversed.
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