Solar Battery Ess OEM CE Certification High-Efficiency Bess 5mwh Megawatt Power Backup Energy Storage System for Industrial Commercial Energy Storage

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Product Description

Basic Information
Model NO.
OEM
Nominal Voltage
1331.2V
Nominal Capacity
3340kwh
Cycle Life
8000 cycles (0.5p, 25±2℃, @70%Eol)
Battery Type
3.2V, 314ah Lithium Iron Phosphate
Storage Capacity
3.34mwh / 5.015mwh
Cooling Method
Liquid Cooling / 50% Ethylene Glycol
IP Rating
IP55 (Pack IP67)
System Efficiency
Above 93%
Operating Temp
-20 ~ 50ºC
Product Description
Energy Storage System Overview

Our professional energy storage system provides highly stable electrical connections and fully automated turnkey projects for integration, helping customers achieve safer, more efficient, and smarter energy storage deployment and management. We bring improved system reliability, optimized lifecycle costs, rapid deployment, and intelligent operation and maintenance support.

Key Advantages:

  • Free project layout design and technical consultation.
  • Experienced team of professional engineers for on-site installation.
  • 48-hour after-sales response service commitment.
  • Comprehensive training combining on-site and online support.
Energy Storage System Features
Technical Parameters
Project Parameter
Rated capacity500 kWh (expandable)
Rated power250 kW
Battery TypeLiFePO4 (lithium iron phosphate)
Cycle life≥8000 times @ 80% DoD
Efficiency>95% (AC-AC)
Operating Temperature-20 ° C to 55 ° C
Protection levelIP54 (indoor) / IP55 (outdoor optional)
Communication/MonitoringStandard intelligent gateway, supporting remote monitoring and OTA upgrade
Product Details
BESS Detail 1
BESS Detail 2 BESS Detail 3
BESS Detail 4
Manufacturing Excellence

Specializing in integrated energy storage system solutions for over 20 years, we provide innovative large-scale, industrial, commercial, and household energy storage systems. Our modern production base is equipped with automated production lines and advanced equipment, holding certifications including CE, ISO 9001, 14001, and 45001.

Facility 1 Facility 2 Facility 3
Facility 4 Facility 5 Facility 6
Frequently Asked Questions
What is your Minimum Order Quantity (MOQ)?
In general, the MOQ is 1 set for our energy storage systems.
Are you a manufacturer or a trading company?
We are a dedicated manufacturer specializing in high-performance lithium-ion batteries and integrated storage solutions.
What is the typical delivery time for large capacity orders?
For large capacity systems, delivery is typically around 25 days. Stock items can be delivered within 1-2 days depending on order quantity.
Do you offer OEM and ODM services?
Yes, we provide comprehensive OEM and ODM services, including custom packaging and logo design tailored to your specific requirements.
How do you ensure product quality before delivery?
All products undergo rigorous testing procedures before they are cleared for shipment to ensure maximum reliability.
What is the warranty period for your storage systems?
We provide a 5-year warranty and take full responsibility for the quality and performance of our systems.

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