CF-PowerOne-2500W Three-Phase HV ESS

CF-PowerOne-2500W
(Three-Phase HV Stackable ESS)

An advanced all-in-one solar storage solution integrating a three-phase hybrid inverter with series-connected high-voltage battery modules. Modular energy capacity from 7.68kWh to 25.6kWh with 3kW–15kW power ratings.

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UN38.3
6,000+ CyclesReliable performance @ 80% DoD
High EfficiencyUp to 98.3% conversion efficiency
UPS Backup≤ 10ms seamless power transfer
IP65 RatedIndoor/Outdoor installation ready
Product Overview
Design & Performance
Safety & Applications
Technical Specifications

CF-PowerOne-2500W combines a high-voltage battery stack with a high-performance three-phase inverter. Its all-in-one stackable design reduces wiring complexity and installation time.

  • Scalable series configuration (3–10 battery modules).
  • Wide AC voltage range 230/400V for global compatibility.
  • Plug-and-play installation for faster commissioning.

Adopts high-efficiency high-voltage architecture supporting up to 1000V PV input. Dual MPPT design ensures optimized energy harvest even with complex roof orientations.

  • Excellent efficiency: Max 98.3%, Euro 97.5%.
  • Low standby consumption (<5W) and silent operation (<40dB).
  • Built-in intelligent battery management (BMS) for SOC precision.

The system is designed with a safety-first mindset, featuring comprehensive electrical protections.

  • AFCI protection, RSD ready, and VPP ready functions.
  • Smart monitoring via RS485 and CAN communication interfaces.
  • Typical applications: Residential solar self-consumption, backup power, and VPP participation.
Phase TypeThree-Phase
AC Power Rating3kW – 15kW
Battery Energy7.68kWh – 25.6kWh
Battery Voltage129.6 – 516.6 Vdc
Switch Time≤ 10 ms
Max. PV Input1000 V
EfficiencyMax. 98.3%
Ingress RatingIP65
CertificationsCB, CE, UL1973, UN38.3
Operating Temp-25°C to 60°C

Frequently Asked Questions

What power and capacity ratings are available? +
We offer a wide power range from 3kW to 15kW to match your household needs. The battery storage is modular, scaling from 7.68kWh to 25.6kWh based on 3–10 series modules.
Does the system support seamless backup? +
Yes, the system switches to backup mode in less than 10ms when the grid fails. This UPS-level performance protects sensitive loads like electronics and refrigerators.
Can I install this ESS outdoors? +
Yes, with an IP65 protection rating, it is suitable for indoor or outdoor installation under a roof. We recommend avoiding direct sunlight for the best long-term efficiency.
What safety and smart grid features are included? +
The system features AFCI support, RSD ready, and VPP ready capabilities. It ensures compliance with modern residential safety and aggregation standards.
How efficient is the high-voltage energy storage? +
Utilizing high-voltage series architecture, the system achieves a max efficiency of 98.3% and a PV-to-Battery efficiency of 98%. This minimizes energy loss compared to traditional low-voltage systems.
What certifications does the system hold? +
Chalong Fly provides comprehensive certification including CB, CE, UKCA, UL1973, and UL9540A. All battery modules are also UN38.3 certified for safe international shipping.

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