RelyEZ Energy production base in Zhenjiang

Supplier spotlight · RelyEZ

Utility-Scale Energy Storage

Full-lifecycle battery energy storage solutions connecting project development, product engineering, manufacturing, software and asset operation.

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PositioningCreate Tier-1 BESS AssetsHardware, software and energy services

Manufacturer profile

From Product Delivery to Full-Lifecycle Stewardship

Founded in 2019, Shenzhen RelyEZ Energy Storage Technology Co., Ltd. develops medium- and large-scale power systems, integrated-energy solutions and digital tools for energy storage assets.

NaviSight team visiting RelyEZ Energy Storage

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Hardware, software and project execution under one system

RelyEZ connects battery systems with EnergyEMS, EnergyHub, EnergyCloud and AI-supported asset tools, creating a path from physical delivery to monitoring, optimization and operation.

Its solutions cover grid-side storage, renewable integration, wind-solar-diesel-storage systems, microgrids and commercial or industrial energy management.

Grid-following and grid-forming energy storage solutions
Integrated battery, thermal management and fire protection
Cloud-edge collaboration through EMS and AI

2019Founded

10 GWh+Systems delivered

100+Global customers

20 GWh+Designed annual capacity

Aerial view of the RelyEZ Zhenjiang production base

Manufacturing footprint

Three Production Bases, One Delivery Standard

Production bases in Zhenjiang, Jiaxing and Yao’an provide more than 20 GWh of designed annual capacity, supported by 1500 V liquid-cooling system equipment, laser welding and battery testing platforms.

ZhenjiangJiaxingYao’an

01BNEF

Global Tier 1 BESS manufacturer in 2024 and 2025

0215 years

Extended warranty coverage supported by Munich Re

03TOP 10

Global energy storage original supplier evaluation by S&P Global

04BBB

Battery StorageTech Bankability Ratings Report 2025 Q1

Representative products

Three Platforms for Different Grid Architectures

A focused product view spanning conventional liquid cooling, immersion liquid cooling and an 800 V AC-coupled solar-storage architecture.

GRIDULTRA / 5016

GridUltra 5016 Liquid-Cooled System

A modular non-walk-in container integrating battery racks, power distribution, intelligent fire protection and liquid thermal management for utility-scale deployment.

8,000+ system cycles
Approximately 15-year design life
IP55 intelligent safety compartment

Nominal energy: 5,015.9616 kWh
Rated power: 2,500 kW
Nominal voltage: DC 1,331.2 V
Voltage range: DC 1,164.8–1,497.6 V
Operating temperature: −30°C to 50°C
Cell temperature difference: < 3°C

GRIDULTRA / 5016-5

Immersion Liquid-Cooled Battery System

Cells are immersed in insulating coolant to isolate oxygen and dissipate heat, pairing intrinsic safety with precise AI-assisted thermal management for harsh operating conditions.

Immersion thermal management coupled with BMS
Stable operation across extreme climates
Centralized cooling with intelligent flow control

Cooling architecture: Full immersion
Operating temperature: −30°C to 50°C
Cell temperature difference: ≤ 2.5°C
System cycles: ≥ 10,000
Design life: Approximately 20 years
System efficiency uplift: 2%

VENTUREBOOSTER / 800

800 V AC-Coupled Solar-Storage System

A transformer-reduced AC-coupled architecture for expanding existing 800 V photovoltaic sites, designed to simplify the system, reduce conversion loss and shorten the investment payback route.

Direct fit for existing 800 V photovoltaic sites
Smaller footprint and fewer components
Modular deployment and expansion

System scale: 1 MW / 2 MWh
AC voltage: 800 V
Grid interface: 11 kV
Conversion loss reduction: Approximately 1%
Storage transformer: Eliminated
Primary application: PV capacity expansion

Typical applications

Solar integration
Wind power integration
Grid-side storage
Peak regulation
Microgrids

Qualifications & compliance

Credentials Behind the Delivery

Corporate qualifications, product certifications, patents and software capabilities support RelyEZ’s engineering, manufacturing and international delivery system.

RelyEZ certifications, qualifications and patent certificates

3Group standards

9System certifications

14Authoritative certifications

50Patents

ML3CMMI appraisal

24Software copyrights

01UL 9540

Energy storage systems and equipment

02UL 1973

Stationary battery system safety

03UL 9540A

Thermal runaway fire propagation evaluation

04IEC 62619

Industrial lithium battery safety

05IEC 63056

Battery safety for energy storage systems

06CE & CB

International market conformity pathways

Selected product platforms are designed for international compliance pathways, with certification scope reviewed against the final system configuration and destination market.

From product shortlist to factory verification

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