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Whether lead acid battery chargers need regular calibration is an important maintenance issue. Although lead-acid battery chargers are generally designed to be reliable and durable, regular calibration can ensure their optimal performance, thereby extending battery life and improving charging efficiency. Regular calibration helps ensure the accuracy of the charger output voltage and current. The working principle of lead-acid battery chargers is based on constant voltage and constant current charging mode. If the voltage or current output by the charger is inaccurate, it may cause overcharging or undercharging, which will damage the health and life of the battery. Through regular calibration, the output of the charger can be detected and adjusted to ensure that it meets the manufacturer's specifications. Regular calibration of lead acid battery chargers also helps prevent potential failure or performance degradation of the charger. As the use time increases, the components inside the charger may age or drift, affecting its charging ability and stability. The calibration process can identify these problems and correct or replace them in time, thereby avoiding possible equipment damage or battery problems. Although some high-quality lead-acid battery chargers have self-diagnosis and calibration functions, many users still rely on professional services for regular inspection and calibration. This usually involves the use of professional test equipment and calibration tools to ensure that the parameters of the charger meet the standards. Additionally, regular inspection and maintenance of the charger will not only improve its performance, but also...