1stess 500 / 625 / 1000 KW Bidirectional Power Conversion System For C&I Energy Storage

Price Negotiable
Price: Service Quotation
MOQ: 1
Delivery Time: 30
Brand: 1STESS
Product Description
1stess 500 / 625 / 1000 KW Bidirectional Power Conversion System
Advanced bidirectional power conversion system designed for commercial and industrial battery energy storage applications, connecting battery DC systems with three-phase AC networks.
System Overview
The 1stess bidirectional power conversion system serves as the critical interface between battery storage and AC power networks in commercial and industrial energy storage installations. Available in 500 kW, 625 kW, and 1000 kW configurations, this energy storage converter enables efficient battery charging and discharging for solar-plus-storage and microgrid applications.
Key Applications
  • PV self-consumption optimization
  • Peak shaving and demand management
  • Microgrid energy storage integration
  • Industrial energy management systems
Modular Platform Architecture
Built around 125 kW converter modules within a cabinet-based design, this transformerless configuration provides a standardized platform for seamless integration with battery systems, electrical protection, and supervisory controls.
Technical Interfaces
DC Specifications
Operating range: 580-1000 V DC | Full-load range: 625-950 V DC
AC Specifications
Rated voltage: 400 V three-phase | Frequency: 50/60 Hz
Communication Interfaces
RS485, CAN 2.0, Ethernet, and dry-contact interfaces for coordination with battery management and energy management systems.
Technical Specifications
Parameter 500 kW 625 kW 1000 kW
Rated AC Power 500 kW 625 kW 1000 kW
Maximum DC Current 800 A 1000 A 1600 A
Rated AC Current 720 A 900 A 1440 A
Converter Module Rating 125 kW 125 kW 125 kW
Common Specifications
Product Type Bidirectional Energy Storage Converter / PCS
Configuration Transformerless / Non-isolated
Operating Modes On-grid and Off-grid
Enclosure Versions Indoor IP21 / Outdoor IP55
Indoor Dimensions 1200 x 1000 x 2100 mm
Outdoor Dimensions 1350 x 1000 x 2100 mm
Enclosure Selection
Choose IP21 indoor version for sheltered equipment rooms or IP55 outdoor option for external installations. Consider temperature, ventilation, clearance, and local requirements during selection.
Project Support Services
1stess provides comprehensive project support including configuration review, OEM/ODM discussions, technical documentation, export packaging planning, shipping coordination, and commissioning assistance.
Request Quotation
Submit your project requirements for a customized PCS configuration and pricing:
  • Required PCS power rating
  • Battery operating voltage range
  • Charge/discharge current limits
  • Grid voltage and frequency parameters
  • Installation environment (indoor/outdoor)
  • Destination market requirements
  • EMS/BMS interface specifications
Note: Final model selection, enclosure configuration, protocol requirements, and certification compliance should be confirmed during project engineering. Local grid connection requirements must be verified for specific models and destinations.
1stess PCS cabinet interior view showing modular converter design Bidirectional power conversion system installation diagram Industrial energy storage system integration schematic PCS technical specifications and interface details Commercial battery energy storage system application overview

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Shenzhen First Tech Co., Ltd.
Location 1404-1405A Tower A, Huahai Financial Creative Center,No.5073 Menghai Avenue,Qianhai Shenzhen-Hong Kong Cooperation Zone,Shenzhen,China
Contact Person Jennifer

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