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Charging efficiency​ 97%Max
Rated Output Current 40A~100A
Output Voltage Range 60VDC~850VDC
Input Under – voltage/Over – voltage 330 (±5) V/ (450±5) V
Cooling method Forced air cooling
Protection grade IP20 (single module)
Storage temperature -40°C ~ 75°C
Weight ±11KG


This bidirectional high-frequency isolated DC module adopts high-frequency isolated bidirectional conversion technology, featuring high efficiency and bidirectional energy flow of the converter, with automatic charging and discharging conversion. It adopts DSP design, supports module parallel function and CAN RS485 communication, facilitating communication with third-party devices.

Product Features:

  • More secure and reliable:
    • Full high-frequency isolation design ensures safety between the battery and DC bus;
    • Full digital control with DSP+CPLD, providing multi-level software and hardware protection against overcurrent, overvoltage, and overtemperature, ensuring safety and reliability;
    • Reliable parallel function facilitates power expansion, allowing up to 16 modules to be connected in parallel.
  • Higher efficiency:
    • DC/DC employs soft-switching resonant technology, achieving a maximum efficiency of 97%;
    • Compared to traditional non-isolated DC/DC systems, the high-frequency isolation efficiency in this system is higher, reaching over 97%.
  • More intelligent and user-friendly:
    • Covers multiple battery voltage levels for passenger vehicles (40V~750Vdc), with a wide battery voltage range;
    • Wider DC bus voltage for easy connection to various DC bus specifications.
  • Lower cost:
    • Compared to traditional bidirectional power supply solutions, high-frequency isolation eliminates the need for a line frequency transformer, reducing system cost;
    • Achieves both charging and inverting functions through a single circuit, integrating charging and discharging, resulting in lower costs.
  • More flexible configuration:
    • Standard charging pile module width, compact structure;
    • Module hot-swappable design for flexible system configuration;
    • Facilitates system integrators in flexibly designing different forms of energy storage, photovoltaic storage, energy storage inspection, or energy storage systems.

Product Specification Parameters:

Specification Parameters B-DC-75040 B-DC-300100
Electrical Parameters
DC Bus Side Parameters
DC bus voltage range 600 ~ 850VDC 600 ~ 850VDC
DC bus current ≤ 32A ≤ 25A
Output voltage 200~750VDC 40~300VDC
Output rated current 40A Max 100A Max
Output rated power 20kW 15kW
Output power derating 500~750V, constant power 20kW / 60~500V constant current 40A 150~300V, constant power 15kW / 40~150V constant current 100A
Battery Side Parameters
Charging efficiency 97%Max
Voltage regulation accuracy ±0.5%
Current regulation accuracy ±1%
Ripple coefficient <1%VO
Soft start time 3s ≤t≤ 8s
Discharging Part
Battery side voltage range 200 ~ 750VDC 40 ~ 300VDC
Discharging current 40A Max 100A Max
DC bus voltage range 600~850VDC 60~850VDC
Output rated power 20kW 15kW
Output power derating 500~750V, constant power 20kW / 60~500V constant current 40A 150~300V, constant power 15kW / 40~150V constant current 100A
Discharging efficiency 97%Max
Other Parts
Protection Functions
Overvoltage protection Equipped
Overcurrent protection Equipped
Short-circuit protection Equipped
Over-temperature protection Equipped
Other Parameters
Operating temperature -30°C ~ +65°C, output power derating above 55°C
Storage temperature -40°C ~ 75°C
Noise <60dB
Dimensions (widthdepthheight) 226mm86mm575mm
Weight 11kgs 10kgs
Protection grade IP20 (single module)
Cooling method Forced air cooling
Certification Standards
Also meet the standards for charging piles and energy storage converters, namely:
Performance/Safety/Environment/EMC 《GB/T 34120–2017 Technical specification for electrochemical energy storage system energy storage converter》
《GB/T 34133–2017 Technical regulation for energy storage converter detection》
《NB/T 33001-2018 Technical conditions for off-board conductive charging machines for electric vehicles》
《NB/T 33008-2018 Inspection and test specification for electric vehicle charging equipment》

Project Overview

SunCare Hospital, a leading healthcare institution committed to sustainable operations and patient well-being, partnered with us to transition its energy source to solar. The project involved the full design and installation of a customized solar power system to reduce operating costs, increase energy reliability, and support the hospital's green initiatives.

Project Objectives

This project was designed to meet the hospital’s energy needs while promoting sustainability, reducing costs, and ensuring uninterrupted service for patients and essential medical operations.

Key Results & Benefits

What We Delivered

We provided a complete solar solution tailored to the hospital’s needs, ensuring performance, safety, and long-term energy savings without disrupting daily operations.

Custom Energy Assessment

We analyzed usage patterns and infrastructure to design a system that meets specific energy needs.

Seamless Installation Without Disruption

Our team installed efficiently with zero interruption to hospital operations and strict safety procedures.

Tailored Solar System Design

We created a solar layout that maximizes efficiency while matching the hospital’s structure and goals.

Reliable Backup and Monitoring System

We integrated smart monitoring and backup support to ensure continuous power for critical medical equipment.

Our Impact

This project is more than just an energy upgrade, it is a commitment to health, sustainability, and community leadership. The SunCare Hospital solar installation reflects how renewable energy can enhance essential services without compromise.

Client Testimonial

"Working with Solarize was a smooth experience. Their team truly understood our hospital’s needs and delivered a solution that saves energy, ensures reliability, and supports our long-term sustainability goals."

Dr. Lisa
Director of Operations, SunCare Hospital
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