2.5kW Bidirectional Inverter Power Supply Module

High-Efficiency Digital AC/DC + DC/AC Energy Conversion Core for OEM Applications
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2.5kW Bidirectional Inverter Power Supply Module

Overview

Power Conversion Made Smarter — Compact, Reliable, Bidirectional.

The 2.5 kW Bidirectional Inverter Power Module is a digital AC/DC and DC/AC power conversion core designed for high-efficiency energy transfer between grid and battery systems.
With fully digital control, high-performance SiC/IGBT devices, and advanced protection design, it enables bidirectional power flow between AC 90–264 V and AC 110/220 V, supporting charging and inverter operation in one compact module.
Ideal for solar hybrid inverters, mobile energy storage, UPS backup systems, and bidirectional charger applications — this module is your core solution for intelligent power conversion.

⚙️ Applications

–  Mobile Energy Storage Systems – Portable or vehicle-based power supply systems
–  PV Hybrid Inverters / Solar Power Systems – Off-grid and grid-tied power conversion
–  UPS and Backup Power Systems – High-efficiency AC-DC conversion for reliable backup
–  Bidirectional Charging / Energy Recovery Systems – For renewable and industrial energy regeneration
–  Distributed Microgrid Power Units – Modular integration into smart grid applications

🔍 Core Technologies

•   Input Voltage: AC 90 – 264 V (single-phase), compatible with global grid and generator power
•   Output Voltage: AC 110 V / 220 V ± 2 %, supporting inverter and charging modes
•   Topology: Full-bridge AC/DC + bidirectional DC/DC soft-switching architecture
•   Digital Control: ARM Cortex-based controller with <2 ms current-loop response
•   Efficiency: 95 % typical, 96 % peak; Power Factor > 0.98 (full load)
•   Low Harmonic Distortion: THD < 5 %, compliant with EN 61000-3-2 Class A
•   Communication: Wi-Fi monitoring + RS-485 (Modbus RTU) isolated communication
•   Comprehensive Protection: Input over/undervoltage, output overcurrent, short-circuit, and over-temperature
•   Cooling: Natural convection; can be integrated with external air or liquid cooling systems
•   Compact Modular Design: Ideal for integration into inverter, charger, or ESS main power stages

🌟 Why Choose Our Product

✅ Proven Reliability: Designed and tested for industrial-grade performance with long MTBF and high environmental tolerance.
✅ OEM-Ready Integration: Modular design simplifies your inverter or charger architecture.
✅ High Power Density: Compact form factor saves valuable system space while maintaining thermal stability.
✅ Smart Communication: Wi-Fi + RS-485 (Modbus RTU) ensure flexible monitoring and remote control.
✅ Global Compatibility: Wide AC input range (90–264 V) supports worldwide deployment.
✅ Advanced Digital Control: Stable operation under dynamic load conditions with sub-2 ms current-loop response.
✅ Customizable OEM Options: Firmware, interface, and mechanical design can be tailored to your system needs.

💬 Get a Quote or OEM Service

Looking for a reliable bidirectional inverter power core for your solar, UPS, or energy storage systems?
Our 2.5 kW Bidirectional Inverter Power Module provides the perfect balance between performance, size, and cost — ready for OEM customization, system integration, or mass production.
📩 Contact us today to discuss your project needs or request detailed technical support.
Our engineering team will help you integrate the most efficient power conversion module into your design.

 

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Parameters

Category Parameter Typical Value / Description
Input Characteristics (AC→DC Mode) Input Voltage Range AC 90 – 264 V (single-phase)
Frequency Range 45 – 65 Hz
Rated Input Power 2.5 kW (continuous)
Peak Power 3.0 kW (5 s)
Power Factor > 0.98 (full load)
Efficiency (Typical) 95 % (at rated load)
Output Characteristics (AC→DC Mode) Output Voltage DC 380 – 420 V adjustable
Rated Current 6.5 A (continuous)
Output Ripple < 200 mV p-p (20 MHz bandwidth)
Inverter Characteristics (DC→AC Mode) Input Voltage Range DC 360 – 420 V
Output Voltage AC 220 V ± 2 % / AC 110 V ± 2 %
Frequency Range 50 / 60 Hz ± 0.1 %
Rated Output Power 2.5 kW (continuous), 3.0 kW (5 s peak)
Efficiency (Typical) 93%
Protection Functions Input UV / OV 85 V / 280 V shutdown
Output Overcurrent Protection 120 % × 60 s shutdown
Short-Circuit Protection Hardware protection < 1 ms
IGBT Over-Temperature Protection 85 °C derating, 95 °C shutdown
Communication & Control Communication Interface Wi-Fi host / RS-485 (Modbus RTU)
Control Algorithm Fully digital current and voltage control loops
Environmental Characteristics Operating Temperature −20 °C ~ +60 °C (derating above 60 °C)
Operating Humidity 5 % ~ 95 % RH (non-condensing)
Protection Level Board-level IP20 (recommended system ≥ IP54)
Dimensions Approx. 150 × 100 × 35 mm
Weight Approx. 0.85 kg
Reliability & Compliance MTBF > 50 000 h (@ 40 °C)
Recommended Certifications CE / RoHS / EN 61000-6-2 / EN 55032 Class B

Resources

Pdf
2.5kW Bidirectional Inverter Power Supply Module

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