BMS and display power consumption 2-3W, BMS will not record this part of the power consumption when the product is stored, you need to disconnect the power switch, otherwise the self-consumption of the battery cell itself, as well as the self-consumption of the BMS and the display resting screen will not be reflected in the SOC, which will lead to power loss. And it needs to be recharged in time when the battery is low. Storage time＞1 month, please make sure the product is fully charged and the power switch is disconnected.