DEYE Solar Inverters Analysis

DEYE is a recognized brand in the solar power and battery industry. China DEYE, also known as Shenzhen DEYE Technology Co., Ltd., specializes in manufacturing and marketing solar power and energy storage related products. It is a company that has been involved in the production of solar inverters, solar charge controllers, solar batteries and other solar-related equipment.


The DEYE brand differentiates itself in the solar power and solar inverter industry with several features that may appeal to consumers and industry professionals. While exact specifications may vary between specific models and products, some differences and advantages associated with the DEYE brand are:

  • Quality and Reliability: DEYE has built a reputation for offering high quality and reliable products in the solar power industry. Their solar inverters are typically designed and manufactured to be durable and efficient, which contributes to the longevity and performance of the solar systems in which they are used.
  • Wide range of products: DEYE offers a variety of solar inverters covering different sizes and applications. This means that consumers and professionals can find options to suit a wide range of solar systems, whether they are small residential systems or large commercial installations.
  • Technological innovation: DEYE strives to keep up with the latest trends and technological advances in the solar industry.
    This can lead to the introduction of advanced features, such as real-time monitoring and the ability to manage hybrid systems that include energy storage.
  • Compatibility and integration capability: DEYE inverters are typically compatible with a variety of mounting systems and other solar components, making them easy to integrate into a wide range of solar system configurations.
  • Energy efficiency: DEYE inverters often have good efficiency levels, which means that they maximize the conversion of solar energy into usable electricity, which can translate into greater energy savings and higher electricity production.
  • Competitive price: DEYE often offers a competitive price-performance ratio compared to other leading brands in the solar industry, which can be attractive to those looking for an affordable inverter solution without compromising on quality.

DEYE offers a variety of solar inverters that can vary in terms of power, efficiency and features. Some of the common products and features you might find in DEYE solar inverters include:

  • String inverters: These inverters are designed for grid-connected photovoltaic systems, where solar panels are connected in a string and the electricity generated is fed into the grid.
  • Hybrid inverters: These inverters can operate in both grid-connected and off-grid systems with storage batteries. They are ideal for systems that want to combine solar power with energy storage.
  • Single-phase and three-phase inverters: DEYE offers a range of inverters suitable for single-phase and three-phase systems, depending on the needs of your electrical installation.
  • Real-time monitoring: Some DEYE inverter models may come with real-time monitoring capabilities, allowing you to monitor the performance of your solar system through an app or online platform.
  • Efficiency and durability: DEYE inverters are generally designed to be efficient and durable, which helps maximize the energy production and lifespan of your solar system.

Two different models of Deye inverters are discussed below and their characteristics are reviewed.

5kW single-phase hybrid inverter:

The DEYE 5kW single-phase hybrid solar inverter, allows solar batteries to be charged via the solar panels or the grid. The DEYE 5kW hybrid model allows connection of up to 5000W of AC output power and up to 6500W of solar panel power. It is a solar inverter compatible with 48V Pylontech batteries. It has two MPPTs that allow you to optimise the power produced by your solar panels. It has over current protection, overload protection, ground fault monitoring, DC power supply monitoring, RCD and high temperature protection. This inverter can be grid-tied or stand-alone. The product warranty is 5 years.

As mentioned above, this solar inverter has two MPPT’s with input ready to connect two strings, one on each MPPT input. Each MPPT, with an efficiency of 99.90%, allows a maximum input current of 13A and has an operating voltage of between 150 and 425V. This efficient inverter allows for easy installation in both residential and industrial areas. At the same time, it is compatible with the Chint-DDSU666-H wattmeter, which allows to control the power balance between the energy demanded by the home or industry and the photovoltaic production, while ensuring that it does not discharge to the grid if desired.

The operating temperature of the solar inverter is -40~60°C, >45°C and features natural cooling. In addition, the noise emitted by the inverter during operation is no more than 30 dB.

The advantages of this inverter are as follows:

  • IP65 protection. Lightning protection at the PV input, anti-islanding protection, reverse polarity protection at the PV string input, insulation resistance detection, residual current monitoring unit, output overcurrent protection, output short-circuit protection, overvoltage protection.
  • Integrated LCD (Liquid Crystal Display)
  • Supports both mains connection and stand-alone operation
  • Multiple batteries can be connected in parallel
  • Allows up to 16 units to be connected in parallel in both stand-alone and grid-connected operation.
  • Allows storage of energy from a diesel generator

Deye Sun Three-Phase 10K Inverter:

The Deye Sun 3PH 10K-G03 On-grid Hybrid Inverter is a self-consumption grid inverter with two 1000V MPPT inputs and solar panels up to 13400W. It includes standard WiFi for monitoring via the free Solarman portal. The Deye Sun 10000W grid inverter can operate as a zero feed-in system or by feeding excess power into the grid. In addition, it features easy-to-use monitoring and configuration display with integrated DC switch. It also integrates a fanless passive heatsink and IP65 enclosure.

This inverter can be configured in different ways, allowing the user to choose the most suitable operating mode for their needs. The different operating modes of the Deye SUN-10K-G03 solar inverter are described below:

  • Off-grid mode (off-grid installations): These Deye inverters are ideal for off-grid homes due to their integrated back-up system and because they are compatible with the majority of 48V batteries on the market.
  • Back up mode: This mode of operation is very useful for homes with a poor connection to the mains or in places where the mains supply is often down for long periods of time. When this Back up configuration is activated, the inverter keeps the batteries charged when there is and when the grid is down and the inverter continues to provide power to the house from the PV panels and the solar battery.
  • Self-consumption mode: When the inverter is configured in self-consumption mode, it works like any home connected to the grid. During sunshine hours, energy is consumed from the solar panels and if there is excess production, the energy is stored in the battery or sold to the grid. If the power needed by the home is greater than that generated by the solar panels, the energy will first be taken from the solar battery and if no more is needed, what is left over will be taken from the electricity grid.
  • Surplus sale mode: Due to the grid feed-in design of this Deye inverter, it is possible for the user to sell their surplus photovoltaic energy to their electricity supplier.

You can find more information about the brand and the products we offer in our website.

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