BoostLi Energy Storage Module ESM-48100B1
User Manual
Copyright © Huawei Technologies Co., Ltd.
A Safety Precautions
A.1 Safety Precautions
Avoid skin contact with electrolyte overflow. Before installing or maintaining batteries,
wear goggles, rubber gloves, and protective clothing.
Keep the ESM loop disconnected during installation and maintenance.
Secure ESM cables to the torque specified in the ESM documentation. Loose
connections will result in excessive voltage drops or cause ESMs to burn out when the
current increases.
Protect your skin and eyes from ESM electrolyte leakage. If your body comes in contact
with electrolyte leakage, wash with clean water immediately and visit a doctor if the
situation is serious.
Avoid ingestion of ESM components.
Protect the ESMs from mechanical vibration, collision, punctures, and strong impact.
Otherwise, the ESM may catch fire.
Do not throw ESMs in fire because this may cause the ESMs to ignite.
Do not immerse ESMs in water or expose them to rain.
Replacing an ESM with an incorrect model may cause cross current and bias current,
which will trigger ESM protection. Long-time operation with an incorrect model will
result in cell or board faults, which may cause risks such as fire.
If the ESM loop is short-circuited, ESM protection will be triggered and the ESM cannot
be charged or discharged. Long-time frequent short circuiting can result in cell or board
faults, which may cause risks such as fire.
An ESM communication failure alarm caused by reasons such as loose communications
cable connection should be handled within 72 hours (default value, configurable in the
range of 1 minute to 720 hours). Otherwise, the ESM will be internally locked, which
may affect the ESM power backup.
Dispose of waste ESMs in strict accordance with local laws and regulations.
A.2 Misoperations
The following lists some misoperations that should be avoided.
If terminals connected with reverse polarity, the ESM will not start and will stay in
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