8.5 Recharge Requirements for Batteries with a Low
SOC
After the ESS is powered o, static power consumption and self-discharge loss
may occur in battery modules. Therefore, charge battery modules in a timely
manner and do not store the ESS in low state of charge (SOC). Otherwise, the ESS
may be damaged due to overdischarge, and battery modules need to be replaced.
Storing the ESS with low SOC may occur in the following scenarios:
● DC SWITCH on the power control module is OFF.
● The ESS power cables or signal cables are not connected.
● The ESS cannot be charged due to a system fault after discharge.
LUNA2000-(5-30)-S0
User Manual 8 System Maintenance
Issue 15 (2024-01-12) Copyright © Huawei Digital Power Technologies Co., Ltd. 136
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