Tel+86 17621197907Serving 56+ countries
RICEWIND

Huawei / Telecom Battery Banks

ESM-48100B5 Equipment information & support

The Huawei ESM-48100B5 is a carrier-grade, rack-mounted 48V 100Ah (nominal 51.2V DC, 5120Wh) smart lithium iron phosphate (LiFePO4) battery energy storage module engineered for telecom base stations, enterprise DC microgrids, and critical infrastructure.

Equipment information

Brand
Huawei
Equipment model
ESM-48100B5
Equipment type
Telecom Battery Banks
Controller / software version
Confirm against the installed equipment
View full product specifications
Huawei ESM-48100B5 Pure White Background Hardware Shot 2

Information below comes from the current product catalogue. Confirm the controller, software version and configuration of the installed equipment separately.

Rated Battery Capacity
100Ah
Rated Total Energy
5120Wh
Maximum Charge Current
100A
Maximum Discharge Current
100A
Cycle Life Rating
≥ 4000 Cycles at 80% DOD
System Nominal Voltage
48V DC (Nominal 51.2V DC)

Alarms & troubleshooting

BATT_UNDERVOLT / LOW_SOC (Battery String Undervoltage / Low State of Charge)
BMS red ALARM LED lit; controller battery icon flashes; BLVD disconnect impending.
Extended utility blackout without generator backup, individual cell failure, or incorrect cutoff calibration.
1. Restore AC power immediately or connect mobile generator; 2. Monitor equalize charge curve (current must not exceed 0.15C); 3. Measure individual cell voltages and internal resistance to isolate weak cells; 4. After full charge, calibrate SOC and capacity via BMS.

Access Complete Maintenance & Full Alarm Troubleshooting Manual

This page lists high-frequency critical alarm codes commonly encountered in field maintenance. Comprehensive manufacturer troubleshooting matrices, board-level repair guides, detailed electrical schematics, and firmware commissioning manuals are delivered alongside equipment upon formal project procurement, accompanied by dedicated FAE technical support.

Contact Account Manager for Full Manual

Share on-site information

  1. 01

    Identify the exact model

    Record the nameplate, system model and controller or module model.

  2. 02

    Keep the alarm details

    Record the full alarm text, indicator colour, timing and whether it persists.

  3. 03

    Describe recent changes

    Note recent replacements, software updates or configuration changes.

Record information visible in the existing interface. Electrical measurements, disassembly and replacement should follow the applicable manufacturer's manual and be performed by qualified personnel.

Your model and these details will be added to the enquiry form for you to review before sending.

Related technical articles

Browse the technical guides or send a question about this model.

View all articles

Need a replacement module or supporting equipment?

Confirm the full model, system configuration and compatibility requirements before enquiring about suitable products.

Ask about suitable products

Have a model and an on-site issue?

Share the exact model, alarm text and observed symptoms to help identify relevant information and compatibility requirements.

Request technical support