The lead-acid battery provided by the manufacturer guarantees the technical indicator of the service life to be given at ambient temperature of 25 ¡ã C. Since the monomer lead-acid battery voltage has a temperature dropped by about 4 mV per increase in 1 ¡ã C, a 12V battery consisting of six monomer batteries, the floating charge voltage at 25 ¡ã C is 13.5V; when the ambient temperature is reduced to 0 At ¡ã C, the floating charge should be 14.1V; when the ambient temperature rises to 40 ¡ã C, the floating charge should be 13.14V.
At the same time, the lead-acid battery has a characteristic that when the ambient temperature is constant, the charge voltage is 100mV as required, and the charging current will increase several times. Therefore, the thermal out of control of the battery will result in overcharged damage. When the charging voltage is 100mV as the voltage is required, the battery will be insufficient, and the battery is damaged. In addition, the capacity of the lead-acid battery is also related to the temperature, about 1 ¡ã C, which will drop by 1 ¡ã C, and the manufacturer requires the manufacturer to discharge ranging from 50% of the rated capacity in the summer battery, after the winter releases 25%. It should be charged in time.
Obviously, the lead-acid battery in daily use is not possible in a 12 ¡ã C environment for a long time, and there is a temperature difference in temperature difference in the day, and not to mention in spring, summer, autumn, and winter. Temperature difference, therefore there are currently various thyristor rectification, transformer buck rectification, and general switching regulated power supply type lead-acid batteries.
Charging the battery in constant voltage or constant current is unable to meet the stringent technical requirements of the lead-acid battery supplement charge. Throughout these methods of charging of lead-acid batteries in the past, and lead-acid battery chargers developed according to these methods. It is not difficult to see that its technology is not perfect for charging the lead-acid battery to lead the lead-acid battery, which will inevitably affect the life of the lead-acid battery. At the same time, these chargers have problems with narrow operating voltage, large, low efficiency, and poor safety
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