---
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 multiple 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/great-one-520-serie-de-gabinetes-combinados-de-almacenamiento-de-energia" }
  - { language: "ru", url: "/ru/products/great-one-520" }
---

[Guangzhou Great Power Energy and Technology Co., Ltd.](/)

Model:Great One 520

# Great One 520 Series Energy Storage Combination Cabinet

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

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## Technical 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 Config | 1P65S\*4 |
| Noise | ≤75 dB |
| Protection Level | IP54 |
| Comm Protocol | ModbusTCP |

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### Custom Integration Support

Engineering team provides datasheets, simulation models, and project-specific configuration advice.

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