Lead-acid batteries are also called lead-acid water batteries. Its electrodes are composed of lead and lead oxides, and the electrolyte is an aqueous solution of sulfuric acid. The main advantages are stable voltage and low price; the disadvantages are low specific energy (that is, the electric energy stored per kilogram of battery), short service life and frequent daily maintenance. Old-fashioned ordinary batteries generally have a lifespan of about 2 years, and it is necessary to regularly check the height of the electrolyte and add distilled water. However, with the development of technology, the life of ordinary batteries has become longer and maintenance has become easier. 12V2.3AH lead-acid battery
The most obvious feature of the lead-acid battery is that there are 6 unscrewed plastic sealing covers on the top, and there are vent holes on the top. These sealing caps are used for filling, checking electrolyte and exhaust gas. Theoretically speaking, lead-acid batteries need to check the height of the electrolyte during each maintenance, and if there is a shortage, add distilled water. However, with the upgrading of battery manufacturing technology, lead-acid batteries have developed into lead-acid maintenance-free batteries, and there is no need to add electrolyte or distilled water in the use of lead-acid batteries. Mainly use charging and discharging to reach the water decomposition cycle. Lead-acid water batteries are mostly used in tricycles, while maintenance-free lead-acid batteries have a wider range of applications, including uninterruptible power supplies and electric vehicles. Lead-acid batteries are divided into constant current discharge (such as uninterruptible power supply) and instantaneous discharge (such as car starter batteries) according to application requirements.
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