Huawei ESM-48100B5 Pure White Background Hardware Shot 2
HuaweiModel: ESM-48100B5

Huawei ESM-48100B5 High-Cycle-Life Smart Telecom Lithium Battery Energy Storage Module (48V 100Ah 5120Wh)

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.

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

What this product is

What this product is

Architecturally, the ESM-48100B5 integrates 16 series-connected prismatic LiFePO4 cells, a high-precision analog front-end (AFE), an autonomous DC-DC/electronic bypass current-limiting circuit, and a carrier-grade controller. The module incorporates cell balancing, bus isolation contactors, Hall-effect current sensors, and NTC thermistors. Dual RJ45 ports handle isolated CAN and RS485 communication protocols for real-time telemetry, remote parameter configuration, and autonomous operation compliant with IEC 62619, UN 38.3, and EN 300 019-1-3.

What problem it solves

Eliminates premature capacity fade in high-temperature outdoor installations common to lead-acid batteries, mitigates catastrophic parasitic circulating currents during multi-pack paralleling, and resolves deep-discharge degradation via multi-stage Low Voltage Disconnect (LVD). It also prevents asset loss in remote or unmanned tower locations through integrated hardware motion sensing and software cryptographic locking.

Who and where it is for

Tailored for 4G/5G macro cell outdoor cabinets, edge computing data nodes, hybrid PV-diesel off-grid telecom shelters, railway communication power systems, and mission-critical 48V DC backup installations.

Core advantages

  • Built with 16S high-rate LiFePO4 cells, delivering 51.2V nominal voltage and 100Ah (5120Wh) energy for rigorous telecom backup.
  • Integrated bidirectional DC-DC and smart current-limiting enables seamless mixing of old/new lithium or direct parallel lead-acid use without circulating currents.
  • Features precise AFE and multi-channel sensors with isolated CAN/RS485 for high-speed telemetry, fully compliant with IEC 62619.
  • Wide operating range of -20°C to +55°C, eliminating deep-discharge sulfation risks while ensuring anti-theft security and ultra-long cycle life.

Technical specifications

Key specificationsValue
Rated Battery Capacity100Ah
Rated Total Energy5120Wh
Maximum Charge Current100A
Maximum Discharge Current100A
Cycle Life Rating≥ 4000 Cycles at 80% DOD
System Nominal Voltage48V DC (Nominal 51.2V DC)
Communication InterfacesCAN Bus, RS485
Operating Temperature Range-20°C to +55°C

Applications

01

High-density DC backup deployment within outdoor base station cabinets (e.g., Huawei APM30H, Mini-shelter)

02

Solar-diesel-battery hybrid microgrids for off-grid or weak-grid telecom base transceiver stations

03

Decentralized power backup for Edge Computing (MEC) clusters and microwave transmission hubs

04

Staged modernization projects requiring gradual replacement and parallel co-existence with legacy VRLA batteries

Frequently asked questions

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