There are more and more electric devices in today's cars, and car owners try not to overload the battery when using these electric devices.   Overloading the battery will reduce the life of the battery.    It is important to master the correct battery charging method.

First, connect the positive pole of the battery to the positive pole of the power supply, and the negative pole of the battery to the negative pole of the power supply.

Then the initial charging is carried out in two stages: first, the electrolyte is charged with the initial charging current until the electrolyte releases bubbles, and the single-cell voltage rises to 2.3~2.4V. Then reduce the current to 1/2 of the initial charging current, and continue to charge until the electrolyte releases violent bubbles and the voltage remains stable for 3 hours.    The total charging time is about 45~65h.

During the charging process, the temperature of the electrolyte should be measured by halving the current, stopping charging or cooling, and the temperature should be controlled at 35~40°C.    When the initial charging is completed, if the specific gravity of the electrolyte is not specified, use distilled water or an electrolytic solution with a specific gravity of 1.4. fluid to adjust.    After adjustment, charge for 2 hours until the specific gravity meets the requirements.

Tip: The battery is generally replaced every two or three years.    The correct battery maintenance method can maintain the normal life of the battery and make your battery "full of power". Not only saves you a lot of trouble, but also saves you the money to keep buying car batteries.