Online intelligent maintainer for lead-acid storage battery

The utility model discloses an on-line intelligent maintainer for a lead-acid storage battery. The on-line intelligent maintainer comprises a repairing circuit for generating a resonance pulse signalto carry out on-line repairing on the lead-acid storage battery, the device also comprises a voltage sampling circuit and a microprocessor. Wherein the voltage sampling circuit samples voltages of twopoles of a lead-acid storage battery to be maintained in real time, and the microprocessor processes voltage information of the two poles of the lead-acid storage battery to be maintained, which is sampled by the voltage sampling circuit in real time, and generates a corresponding PWM signal to control the repair circuit to generate a resonance pulse signal. According to the utility model, the microprocessor can adjust the resonance pulse signal output by the repair circuit in real time according to the information sampled by the voltage sampling circuit, so that the lead-acid storage batteryto be maintained can be ma