SmartLi Recharge Method
NO TICE
● Before removing the BCU, confirm with the customer that services will not be
affected.
● Before removing the BCU, ensure that the lithium battery cabinet is powered
off.
Step 1 Identify the battery module qualified for recharge.
Step 2 Pull out the BCU and install the battery module and cables.
Step 3 Reinstall the battery management module. Turn the ready switch on the battery
management module to the ready state. Press and hold the POWER ON/OFF
button on the battery management module for more than 2s. The green indicator
of the battery management module blinks at 4 Hz.
Step 4 Set the language, time, date, network parameters, and system parameters on the
touchscreen Settings Wizard.
Step 5 After the green indicator of the BCU blinks at 10 Hz and the red indicator is steady
on, switch on the battery circuit breaker.
Step 6 Ensure that the lithium battery charging status is monitored in real time until the
charging ends.
Table 3-3 Conditions for judging charging termination
Termination Condition
Method for Measuring Battery
Charge Current
The charging time is longer than 10
minutes and the battery current is less
than 0.02C (C is the rated battery
capacity measured in A).
● Use a clamp meter to measure the
current of the negative battery
cable.
● View the battery current displayed
on the LCD.
Step 7 After the charging is complete, remove the BCU, measure the battery voltage, and
check whether the batteries are qualified.
SmartLi 2.0
User Manual
3 Transportation and Storage
Issue 09 (2022-01-30)
Copyright © Huawei Technologies Co., Ltd.
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