(1) Accurate collection of key characteristic information of each battery

  ①Liquid leakage monitoring: closely monitor the insulation resistance change between the battery busbar and the ground, judge the battery leakage, and generate an alarm to remind the user to solve it, so as to avoid the occurrence of fire;

  ② Connecting strip status monitoring: closely monitor the temperature at the battery terminal and the change of contact internal resistance, conduct a comprehensive analysis of the two aspects of data, judge the loosening of the connecting strip, and generate an alarm to remind the user to solve it, so as to prevent the occurrence of fire;

  ③Micro-short-circuit fault monitoring: closely monitor the open-circuit voltage of the battery to determine whether there is a micro-short-circuit fault in the battery, and generate an alarm to prompt the user to solve it, so as to avoid insufficient backup power of the battery.