• Dagong ESS

Replacing Diesel Generators with LFP Energy Storage Systems for Backup Power

What is LFP Energy Storage Backup Power?

An LFP (Lithium Iron Phosphate) energy storage system is a clean and rechargeable power solution designed to deliver electricity instantly during grid outages. Compared with traditional diesel generators, LFP ESS offers significant advantages:

• Zero emissions and low noise: No exhaust or noise pollution during operation.

• Fast response: Millisecond-level switching ensures continuous power supply.

• High energy density and long cycle life: Over 8000 charge–discharge cycles and a lifespan of more than 15 years.

• Smart monitoring: Real-time energy management via an intelligent EMS platform.

Dagong ESS provides a full range of LFP energy storage systems suitable for residential, commercial, and industrial applications, including:

• 215kWh Liquid-Cooled ESS: Designed for medium-scale commercial backup power.

• 372kWh Liquid-Cooled ESS: Ideal for heavy-load industrial backup.

• 5MWh Air-Cooled ESS Container: Large-scale energy storage for factories, hospitals, and data centers.

Challenges of Diesel Generators

Although diesel generators have long been used as backup power sources, they face increasing limitations in the era of energy transition:

• High emissions and pollution: Diesel combustion releases CO₂, NOₓ, and particulates.

• Noise and vibration: Unsuitable for hospitals, offices, and urban environments.

• High maintenance cost: Regular servicing, fuel replacement, and oil changes increase operational expenses.

• Startup delay: Diesel gensets take seconds to minutes to start after a power outage.

• Fuel dependency: Fuel supply disruptions can occur in remote areas or during extreme weather.

These challenges have accelerated the shift toward clean, efficient, and intelligent energy storage backup systems.

Why Choose Dagong ESS?

Dagong ESS specializes in reliable, modular, and safe energy storage systems designed for diverse backup power applications. Key advantages include:

• Enhanced safety: LFP battery chemistry ensures thermal stability and multi-level BMS protection.

• Modular scalability: Systems like the 100kWh Air-Cooled ESS and 241kWh Liquid-Cooled ESS can be paralleled to expand capacity.

• Long lifespan: Over 8000 cycles and 15+ years of reliable operation.

• Smart control system: Integrated EMS for remote monitoring and data management.

• Flexible installation: Available in rack, cabinet, liquid-cooled, and containerized formats.

The 5MWh Air-Cooled Container ESS has become a preferred choice for large-scale commercial and industrial backup projects, widely deployed in hospitals, telecom base stations, manufacturing sites, and data centers.

Applications of LFP Energy Storage Systems

• Hospitals and Data Centers:
  LFP ESS provides instant backup power to maintain critical operations during outages.

• Industrial Parks and Manufacturing Plants:
  Combined with solar PV, it enables hybrid “solar + storage + backup” systems to reduce energy costs.

• Telecom and Transportation Infrastructure:
  Systems from 215kWh to 372kWh can serve as distributed backup sources for communication or control networks.

• Commercial Buildings and Retail Stores:
  The 100kWh Air-Cooled ESS supports peak-shaving and emergency backup functions.

By replacing diesel generators with LFP ESS, users can reduce carbon emissions and noise while improving power stability and automation.

Dagong ESS Product Showcase

Product Model	Cooling Method	Rated Capacity	Key Features
100kWh Air-Cooled ESS	Air-Cooled	100kWh	Modular design, ideal for small commercial backup power
215kWh Liquid-Cooled ESS	Liquid-Cooled	215kWh	Efficient thermal management, >15 years lifespan
372kWh Liquid-Cooled ESS	Liquid-Cooled	372kWh	High-density design for heavy industrial loads
5MWh Air-Cooled ESS Container	Air-Cooled	5MWh	Industrial-grade backup solution with remote monitoring
3.35MWh Liquid-Cooled ESS Container	Liquid-Cooled	3.35MWh	Intelligent cooling system for high-temperature environments

Frequently Asked Questions (FAQ)

Q1: Can LFP ESS completely replace diesel generators?
A1: In most scenarios, yes. LFP ESS is suitable for facilities requiring instant response and long-duration backup.

Q2: What is the lifespan of an LFP energy storage system?
A2: Dagong ESS systems support over 6000 cycles and are designed for 10–15 years of operation.

Q3: How does the system maintain power during long outages?
A3: The ESS can integrate with solar PV or the grid, automatically balancing energy sources to extend backup duration.

Q4: How does the cost compare with diesel generators?
A4: While the initial investment may be higher, the total cost of ownership (TCO) is lower due to zero fuel cost and minimal maintenance.

Q5: Does the system require daily maintenance?
A5: Minimal maintenance is needed. The intelligent EMS continuously monitors system health and performance.