The battery is the main reservoir on the automobile device, provide power for all electronic systems of the vehicle. Modern automotive electronics degree is getting higher and higher, battery power shortage will lead to paralysis of the vehicle.
Battery type:
The use of general car battery is lead-acid storage battery. The common lead-acid battery has 2 kinds, one kind is the water type lead-acid batteries, the other is maintenance free lead-acid battery.
Water type lead-acid battery polar plate: common battery is composed of lead and lead oxide, the electrolyte is a solution of water. Its main advantage is the voltage stability, the price is cheap; the disadvantage is less energy (per kilogram battery stored energy), short service life and frequent daily maintenance.
Maintenance free lead-acid batteries: maintenance free batteries because of its advantage in structure, consumption of the electrolyte is very small, the service life of the inner basic does not need to add distilled water. It has the characteristics of high temperature resistance, shock resistance, small volume, small self discharge. Life is generally two times the ordinary battery. Maintenance free battery market is of two kinds: the first kind of at the time of purchase one-time add electrolyte for use in the future do not need maintenance (add liquid); the other is a battery factory has been added to the electrolyte and sealed, the user simply can't add supplementary liquid.
Maintenance method for storage battery:
Battery car used in use for more than 2 years later, capacity and discharge capacity will decline. General car battery life of not more than 4 years. Of course, the maintenance of good battery life will be longer. Below we to learn maintenance method water type lead-acid battery and maintenance free lead-acid battery.
Water type lead-acid batteries: pay attention to the battery fluid level and cell liquid density.
Battery liquid lead-acid battery is a mixture of sulfuric acid and distilled water into. Battery discharge, water will become more and sulfuric acid will become less, which leads to fluid density decreased when charging, battery; on the contrary, the water will become less and sulfuric acid will become more. Battery solution concentration is the reflection of water and sulfuric acid battery solution proportion. Electrolyte density was 1.28 of normal (Xia Tian) /1.29-1.30 (Dong Tian) (units of grams per cubic centimeter).
As owners, we should periodically check the battery fluid level. When the battery is insufficient fluid should add distilled water to the proper level. In the add distilled water to the battery, we should check the liquid density of battery, keep the battery fluid density in a reasonable range.
Maintenance free lead-acid batteries: regularly check the magic eye and keep sufficient power.
The maintenance free type battery without water holes and battery liquid level scale. We need to pass on the battery "eye" to judge the battery state. The evil eye is green indicates that the battery is normal, full charge; magic eye black expressed the need to charge; magic eye white said that the battery needs to be replaced.
Discharge capacity needs to detect the battery tester to use special.
We usually use a voltmeter to check the battery voltage, although can detect the battery voltage value but not check out the load capacity of the battery is good or bad. To check out the actual situation of battery discharge capacity of the battery, we should use the special detecting instrument to check the battery and the load carrying capacity of the.
Weak current can not be ignored