UPS is designed to provide instantaneous backup power during power failures, protecting sensitive loads like servers, hospitals, and data centers from outages or voltage fluctuations. It bridges the gap between power loss and generator startup or system recovery.

BESS, on the other hand, is a large-scale system that stores electricity and delivers it when required. BESS is not just for backup—it supports peak shaving, load shifting, renewable energy integration, and energy cost optimization, making it an essential tool for the smart grid and sustainable energy  infrastructure.

Main Types of UPS and BESS

• UPS Solutions:

Offline / Standby UPS

Line-Interactive UPS

Online Double-Conversion UPS

• BESS Solutions (offered by Dagong ESS):

Residential BESS (5–80kWh)

Commercial & Industrial BESS (100–372kWh)

Utility-Scale BESS (1MWh–6.67MWh)

Air-Cooled and Liquid-Cooled Systems

Key Differences Between UPS and BESS

Typical Applications

• UPS Is Best For:

Data centers and IT infrastructure

Emergency systems in hospitals

Banking and telecom equipment

• BESS Is Ideal For:

Solar and wind energy storage

EV charging support

Industrial load shifting and peak shaving

Microgrids and commercial backup

Price of UPS and BESS

The cost of UPS or BESS varies depending on the system size, configuration, and application. Pricing is generally quoted based on international trade terms such as EXW, FOB, or CIF, and may be influenced by raw material fluctuations and regional regulations.

For precise quotations, it is recommended to contact a professional supplier who can tailor the solution to your project’s specific power needs and integration requirements.

How to Choose the Right System?

• Define Your Use Case: Need instant backup (UPS) or broader energy management (BESS)?

• Assess Power Requirements: Total load (kW) and desired runtime.

• Consider Compatibility: Will you integrate with PV or EMS platforms?

• Review Space & Cooling: BESS may require dedicated cooling and more space.

• Think Long-Term: UPS has lower upfront cost; BESS offers better ROI over time.

Lifespan and Maintenance

Your Trusted BESS Supplier – Dagong ESS

Dagong ESS (Dagong New Energy) specializes in scalable, high-performance battery energy storage systems for residential, commercial, and utility-scale applications. From air-cooled rack systems to liquid-cooled energy storage containers, Dagong ESS provides flexible solutions to meet global power standards.

🔹 Interested in upgrading your energy strategy?
🔹 Looking for custom BESS solutions with EMS, PV, and EV integration?

📩 Contact us at sales@dagongess.com or visit our Contact Page to submit your inquiry. Our team is ready to support your project from consultation to delivery.