---
title: "Great One 520 Series Energy Storage Combination Cabinet | Guangzhou Great Power Energy and Technology Co., Ltd."
description: "Modular liquid-cooled energy storage system available in various configurations from 125 kW to 500 kW output."
url: "/products/great-one-520-series-energy-storage-combination-cabinet"
language: "en"
alternates:
  - { language: "es", url: "/es/products/gabinete-combinado-de-almacenamiento-de-energia-serie-great-one-520" }
---

Great One 520

# Great One 520 Series Energy Storage Combination Cabinet

Modular liquid-cooled energy storage system available in various configurations from 125 kW to 500 kW output.

- Available in multiple sizes: Great One 520-125/520, 250/1040, 375/1560, 500/2080, 250/520, 500/1040

[Request Quote](/contact)

Electrical & Mechanical Specifications

| Rated Energy Options | 520, 1040, 1560, 2080 kWh |
| --- | --- |
| Rated Power Options | 125, 250, 375, 500 kW |
| Rate | ≤0.25P/0.25C |
| Cooling Method | Liquid cooling |
| System Efficiency | ≥90% (25℃) |
| Cell Type | GSP71173204F-314 Ah, 3.2 V |
| Cycle Life | ≥8000 (25℃, 0.5C, EOL70%) |
| Battery System Configuration | 1P65S\*4 |
| Noise | ≤75 dB |
| Protection Level | IP54 |
| Temperature & Humidity | Charge: 0~55℃, Discharge: -20~55℃, 0~85%RH |
| Communication Protocol | ModbusTCP |

Packaging & Delivery

- #### Cell-level packaging

  Cells vacuum-sealed in anti-static bags. Packed in corrugated cartons on wooden pallets. UN38.3-compliant labelling applied per unit.
- #### Module packaging

  Modules ship in shock-absorbing foam-lined crates with IP-rated connectors pre-installed. Each crate carries QR-traceable serial number.
- #### Containerised systems

  Full container solutions ship as ISO 1A standard containers or flat-rack assemblies. Sea-freight appraisal documentation included per shipment.

Certifications

Certification records maintained internally. Request copies via compliance team for procurement verification.

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Submit project parameters. Great Power returns datasheet, pricing and lead time within 24 hours.

[Request Quote](/contact)