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ESS-AF250K / ESS-AF500K – 20-Foot Container Energy Storage System

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$5,000.00

Title	Range	Discount
10-100 pieces: 5% discount	10 - 100	5% $4,750.00
101-1000 pieces: 10% discount (10% off)	101 - 1000	8% $4,600.00
Over 1000 pieces: 15% discount (15% off / 85% of original price)	1001 - 10000	10% $4,500.00

Estimated delivery dates: Jun 22, 2026 - Jun 27, 2026

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Description

ESS-AF250K / ESS-AF500K - 20-Foot Container Energy Storage System

Utility-Scale MWh Energy Storage Solution for Large-Scale Infrastructure and Microgrids

The Selling Points of The Products

● LARGE CAPACITY

Provides massive MWh-level energy storage to meet the high-demand requirements of large-scale utility and industrial projects.

● MODULAR DESIGN

Supports flexible internal configurations, allowing the system to adapt to various large-scale application scenarios seamlessly.

● HIGH SAFETY

Multiple protection mechanisms and advanced monitoring ensure system stability and extreme reliability for critical power loads.

● EFFICIENT HEAT DISSIPATION

Optimized intelligent air cooling system improves operational efficiency and significantly extends equipment lifespan.

● FAST DEPLOYMENT

Standard 20-foot container design enables easy global transportation, rapid onsite installation, and quick commissioning.

● COMPARTMENT ISOLATION

Battery and electrical compartments are physically separated to prevent thermal runaway propagation and enhance overall system safety.

Technical Specifications

Rated Power (KW)	250 KW / 500 KW
Nominal Energy (MWH)	1.0752 MWH / 1.7200 MWH
Battery Cell Type	LFP (3.2V / 280AH)
Nominal Voltage (V)	768V (Standardized)
AC Output	3W + N + PE (400V)
Dimensions (WDH)	Standard 20-Foot Container
Net Weight (KG)	20,000 KG / 25,000 KG
Cooling Method	Intelligent Air Cooling
Firefighting System	FM200 / NOVEC1230
Ingress Protection	IP54
Cycle Life	≥ 5,000 Cycles
Communication Interface	RS485 / TCP/IP / CAN
Display & Control	Touch LCD + Cloud Platform

Ideal Application Scenarios

Industrial & Factory

Large Hotel Resorts

Community Grid Support

Healthcare Campuses

Public Museums

Large Religious Sites

The ESS-AF250K/500K Series is a fully integrated containerized solution designed for superior protection and high space utilization. By isolating battery and electrical compartments and utilizing a standardized 20-foot enclosure, it offers maximum safety and ease of deployment. With advanced EMS communication and support for up to 15 parallel units, it is the premier choice for large-scale industrial backup, microgrids, and utility-grade energy storage applications.