Powered by Made-in-China.com
Hybrid Converter for off-Grid Cabins with AC/DC Backup and Unbalanced Load Handling Capability
US$8,999.00-14,299.00
1 Piece
Product profile
Customization
AvailableAfter-sales Service
YesWarranty
YesModel NO.
AC PCSCondition
NewCertification
CEApplication
Water Heater Controller, Solar System Controller, Charger Controller, Wind Controller, Voltage ControllerRated Voltage
450VRated Voltage(VAC)
≥ 320Optimal Generator Rated Voltage(VAC)
450AC Voltage Working Range(VAC)
240 ~ 550Power Factor
> 0.99Rated Input Voltage
400VAmbient Temperature
-40℃~+60℃Cooling Method
Intelligent Air CoolingTopology
Without TransformerTemperature Protection
SupportedMaximum AC Current(a)
180Battery Voltage Range(VDC)
350 - 450Rated Battery Voltage(VDC)
400Rated Charge and Discharge Current(a)
144Rated Grid Voltage(V)
400Permissible Grid Voltage Range(V)
300 - 460Transport Package
PackageTrademark
GREEFOrigin
ChinaHS Code
85023100Production Capacity
400 Set/Sets Per MonthKey features
Multi-Functional Energy Management: Integrates AC-to-DC rectification, battery charging, DC-to-AC inversion, and EMS for stable power supply.
Configurable Dual LCD Display: Features a smart touchscreen for real-time monitoring of generator speed, voltage, current, and power generation.
Unbalanced Load Control: Advanced control technology ensures stable operation even with unbalanced electrical loads.
Flexible Operating Modes: Supports off-grid, grid-tied, and grid charging modes with seamless switching capabilities.
High Efficiency Conversion: Achieves up to 95% maximum efficiency with intelligent air cooling and advanced topology.
Comprehensive Protection System: Includes over-voltage, over-speed, short-circuit, and surge protection for safe operation.
Remote Monitoring Capability: Optional WIFI and LAN support enables remote monitoring and control via mobile app.
Wide Voltage Operating Range: AC voltage working range from 150V to 550V and battery voltage range from 350V to 900V.
Company profile

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2014-03-18Nearest Port: QINGDAOAverage Response Time: ≤7.26hTerms of Payment: T/T, PayPal, Western Union, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DDP, CPT, Others, FCA
AI-Powered supplier vetting
SummaryQingdao Greef New Energy Equipment Co., Ltd. is identified as both a trading company and manufacturer/factory in China, offering wind turbines, permanent magnet generators, hybrid systems, and related equipment. Its stated capabilities include generator coverage from 500W to 5MW, two production lines, annual output of 1,000 wind turbine/permanent magnet generator sets, and 6–10 R&D engineers and quality-control staff. The company reports QHSE, ISO 9001, and HSE management certifications, CE-certified exports, warranty periods of 3–5 years, and after-sales service as part of its end-to-end offering. Evidence also supports customization through design, prototyping, production, and quality-control services. However, the provided information does not sufficiently establish financial credibility or a broad customer track record; only one buyer and one trade transaction are listed.
Supplier typeThe supplier is explicitly classified as both a Trading Company and Manufacturer/Factory. Its stated product portfolio includes wind turbine systems, permanent magnet generators, controllers, inverters, solar systems, and batteries, supporting a combined manufacturing and trading role.
CertificationsThe supplier states that its management systems include QHSE, ISO 9001, and HSE. It also states that products exported to Europe, South America, and North America carry CE certification, indicating documented management-system and product-certification claims.
After-Sales capabilityThe company describes end-to-end services including after-sales service and states that exported products have 3–5 year warranty periods. It also claims rapid response and guaranteed quality and on-time delivery through Alibaba Trade Assurance, providing explicit support for post-sale capability.
R&D capabilityThe supplier states that its permanent magnet generators range from 500W to 5MW and offers multiple renewable-energy technologies, including vertical- and horizontal-axis wind turbines, hybrid systems, and disc coreless generators. Its stated engineering and renewable-energy innovation activities support innovation capability, although no independently verified R&D results are provided.
Production capacityThe supplier reports two production lines and annual output of 1,000 wind turbine/permanent magnet generator sets. It also states generator coverage from 500W to 5MW and has 6–10 quality-control staff, providing explicit evidence of established production capacity.
Customization capabilityThe company explicitly claims customized end-to-end solutions covering design planning, schematic development, 3D renderings, physical prototyping, volume production, quality control, and after-sales service. This directly supports customization capability across product-development and delivery stages.
Product Q&A
Q:What are the available operating modes?
A:
The converter supports multiple configurable modes including off-grid, grid-tied, and grid charging.
Q:Is the battery voltage customizable?
A:
Yes, the rated battery voltage is customizable, with a working range of 350V to 900V DC.
Q:Does the product support remote monitoring?
A:
Yes, optional WIFI and LAN remote monitoring and control apps are available for the system.
Q:What is the maximum efficiency of the converter?
A:
The converter achieves a maximum efficiency of 95% under rated conditions.
Q:What communication protocols are supported?
A:
The system supports Ethernet, RS485, and WIFI for communication and data transmission.
Send Inquiry
*To:
Qingdao Greef New Energy Equipment Co., Ltd.
Qingdao Greef New Energy Equipment Co., Ltd.*Content:
Supplier replies will be sent to your registered email
You may also like
900V DC Voltage 200kw Pump Solar VFD Inverter Water Supply Frequency Converter
US$115.00-1,500.00
1 Piece(MOQ)
Professional Solar MPPT DC DC Converter for PV Systems
US$5,000.00
1 Piece(MOQ)
Hybrid Converter for Wind Power Systems with EMS and Unbalanced Load Control Technology
US$8,999.00-14,299.00
1 Piece(MOQ)
Solar MPPT Dcdc Converter for Commercial Applications
US$5,000.00
1 Piece(MOQ)
5kw Hydroelectric Converter Ocean Power Generator Converter
US$4,600.00-16,000.00
1 Piece(MOQ)
Hybrid Converter for Grid-Interactive Systems with Grid-Tied Mode and Grid Charging Capability
US$8,999.00-14,299.00
1 Piece(MOQ)
Solar MPPT DC DC Converter for Commercial Photovoltaic Systems
US$5,000.00
1 Piece(MOQ)
Industrial PV MPPT Dcdc Converter for Renewable Energy
US$5,000.00
1 Piece(MOQ)
Hybrid Converter with Grid-Tied Operation and Grid Charging for Renewable Energy Integration
US$8,999.00-14,299.00
1 Piece(MOQ)
12/24/48VDC 30-60A Solar Charge Controller PWM Controller for Solar Power System
US$6.78-10.66
1 Piece(MOQ)
Best Quality 24V 48V 96V 30A 40A 60A 80W 100A MPPT Charge Controller Charger Solar Panel MPPT
US$73.00-184.00
2 Pieces(MOQ)
2025 Quick - Installation 12V/24V 10A/20A/30A/40A/50A/60A PWM Solar Charge Controller
US$6.00-13.00
800 Pieces(MOQ)
High-Efficiency Junengjiu Solar Charge Controller for Compact Systems
US$10.00-11.00
800 Pieces(MOQ)
Hybrid Pure Sine Wave Inverter High Current PV MPPT Solar Charger Controller
US$100.00-99,999.00
1 Pieces(MOQ)
Advanced Remote Solar Charge Controller with LCD Display 10A/20A
US$7.00-14.00
800 Pieces(MOQ)



















