---
title: "6.25 MWh Liquid-Cooled Energy Storage Container | Guangzhou Great Power Energy and Technology Co., Ltd."
description: "A 6.25 MWh liquid-cooled energy storage container system utilizing 587Ah cells for higher capacity and efficiency."
url: "/products/6-25-mwh-liquid-cooled-energy-storage-container-max-20hc-6250"
language: "en"
alternates:
  - { language: "es", url: "/es/products/contenedor-de-almacenamiento-de-energia-refrigerado-por-liquido-de-6-25-mwh-max" }
---

Max-20HC-6250

# 6.25 MWh Liquid-Cooled Energy Storage Container

A 6.25 MWh liquid-cooled energy storage container system utilizing 587Ah cells for higher capacity and efficiency.

- Uses self-developed high-safety Fengpeng 587Ah cells
- Integrated liquid cooling design with five-fold fire safety design
- Cell energy efficiency ≥96%
- Liquid-cooled battery pack temperature difference ≤2°C
- Overall IP55 protection, Battery Pack IP67
- Supports grid-connected, off-grid, and grid-forming applications
- String structure with PCS integrated into battery cabin, reducing footprint by 30%

[Request Quote](/contact)

Electrical & Mechanical Specifications

| Rated Energy | 6.25 MWh@0.5C |
| --- | --- |
| Rated Output Power | ≤1563 kW\*2 |
| Rated Output Voltage | 1164.8 V~1497.6 V |
| Cell Specification | 587 Ah, 0.5C |
| Cell Type | LFP |
| Series-Parallel Configuration | 8P416S |
| Max Discharge Current | 1174 A@5min |
| Max Charge Current | 1174 A@5min |
| Charge Temperature Range | -30~50℃ |
| Discharge Temperature Range | -35~60℃ |
| Communication Interface | CAN, MODBUS TCP |
| Cooling Method | Liquid cooling |
| Protection Rating | IP55 |
| Functional Safety | Class B |
| Product Weight | 48 t |
| Dimensions | W6058\*D2438\*H2896 mm (20HC) |

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.

## Applications

[Power Generation Side](/applications/power-generation-side)[Grid Side](/applications/grid-side)[User Side](/applications/user-side)

## Related Products

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[Great Com-6250 — Max-20HC-6250 — 6.25 MWh liquid-cooled energy storage container system.](/products/max-20hc-6250-great-com-6250)

[Max-20HC-5000 — High Safety 5 MWh Liquid-Cooled Energy Storage Container — A 5.016 MWh liquid-cooled energy storage container system featuring high safety, efficiency, and long lifespan.](/products/high-safety-5-mwh-liquid-cooled-energy-storage-container-max-20hc-5000)

[Max-20HC-3720-1P — 1P Frequency Regulation Energy Storage Container — A specialized 1P rate energy storage container designed for fast response frequency regulation scenarios.](/products/1p-frequency-regulation-energy-storage-container-max-20hc-3720-1p)

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

[Request Quote](/contact)