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5. Estimate the charging and discharging time of the battery or battery pack based on its actual usage status. Pay attention to observing whether there are any abnormalities in the battery or battery pack at the end of charging and discharging, such as voltage difference issues.
8.2 Regular maintenance
1. Check the voltage data on the BMS display and the actual battery voltage value to ensure the accuracy of the BMS voltage collection. If there is any inconsistency, it should be proofread. The error between the collected voltage and the actual battery voltage should not exceed 5mV (once per month);
2. Check the temperature collection data of the BMS and the actual temperature value. The error between the collected data and the actual temperature value should not exceed 3 ℃, to ensure that the battery will not be charged or discharged when the temperature is too high or too low (once per month);
3. Check the current collection data of BIS and the actual current value, and the error should not exceed 1% to ensure that the battery will not be overcharged or discharged by overcurrent (once per month);
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