The Huawei ESM-48100B1 is a carrier-grade 48V (nominal 51.2V) 100Ah Lithium Iron Phosphate (LiFePO4) energy storage battery module engineered for telecom base stations and critical DC backup, delivering a rated capacity of 4800Wh / 5120Wh.
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Architecturally, the ESM-48100B1 comprises a 16-cell series (16S) high-rate LiFePO4 battery pack, a software-controlled buck-boost DC-DC power conversion stage, and an industrial-grade embedded Battery Management System (BMS). The circuitry integrates precision current shunt transducers, multi-point NTC temperature sensors, solid-state disconnect switches, and dual mechanical fail-safe fuses, complying strictly with IEC 62619, UN 38.3, and telecom ETSI rack installation standards.
It eliminates the operational vulnerabilities of lead-acid accumulators, including rapid capacity fade at high temperatures, severe floor loading, and high maintenance costs. Crucially, its integrated DC-DC regulator prevents destructive cross-circulating currents and uncontrolled load shifting when paralleling new batteries with legacy units, different capacities, or alongside traditional VRLA battery banks.
Engineered for 4G/5G macro cell outdoor integrated cabinets, distributed small cell power systems, microwave transmission repeaters, central telecom offices, and unstable grid or off-grid hybrid renewable installations.
| Key specifications | Value |
|---|---|
| Rated Battery Capacity | 100Ah (0.2C at 25°C) |
| Rated Total Energy | 4800Wh / 5120Wh |
| Maximum Charge Current | 100A |
| Maximum Discharge Current | 100A |
| Cycle Life Rating | ≥ 3500 Cycles at 80% DOD |
| Communication Interfaces | CAN Bus, RS485 |
| System Nominal Voltage | 48V DC (Nominal 51.2V DC) |
| Operating Temperature Range | -20°C to +55°C |
Huawei
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