Deye: Solar inverters and battery energy systems

Deye supplies string, hybrid and microinverters, battery systems and cloud tools for residential and commercial energy projects.

Summary

Best for
Solar and battery projects needing phase, battery-voltage and grid-operation choices within one product range.
Less suited to
Assuming an RS485 or CAN connector is a documented general-purpose monitoring interface or an approved battery pairing.
Deployment
Grid-tied or hybrid inverter, compatible battery and metering equipment, with optional monitoring and energy-management services.
Data in
PV, inverter, battery and site energy information; connection purpose depends on the model and communications port.

Overview

Deye's inverter range includes grid-tied string inverters, microinverters and hybrid products that combine PV with battery storage. The hybrid catalogue separates single-phase, split-phase and three-phase equipment, and distinguishes low-voltage from high-voltage battery arrangements. Those choices give the range several installation patterns rather than one universal hybrid inverter.

The company also offers all-in-one and modular storage systems and Deye Cloud for monitoring and energy management. A residential project may combine an inverter and battery with household energy controls, while commercial projects can use larger storage assemblies. The hardware and software are presented as parts of an energy system, not simply as solar-generation displays.

Offering

The SUN-3–12K-SG05LP3-EU-SM2 datasheet describes a three-phase hybrid family using a 40–60 V battery input and two maximum-power-point trackers. Its variants range from 3 to 12 kW rated AC active power, with charging and discharging limits that increase across the models.

The same family supports AC coupling for an existing solar installation, scheduled battery charging and discharging, and energy collection from a generator. Deye lists parallel operation for compatible units and separate limits for unbalanced phase output. These functions distinguish the hybrid product from a straightforward grid-tied string inverter: it participates in managing stored energy and multiple power sources at the site.

Products and platforms

  1. Deye Cloud

    Energy-management software

    Plant monitoring and device management with tariff-aware Copilot functions.7

  2. Hybrid ESS range

    Integrated storage systems

    All-in-one and modular energy-storage product range.9

  3. String inverters and microinverters

    PV conversion

    Distinct inverter categories retained from the company portfolio; ratings require a chosen model.3

  4. Wireless Energy Management System

    Energy management

    Manufacturer-described LoRa-based system; no LoRaWAN claim inferred.3

  5. 3.6–6 kW single-phase off-grid inverter

    Off-grid conversion

    Single-phase off-grid range named in the official company overview.3

  6. Stackable ESS

    Modular storage

    Stackable storage category within the company portfolio.3

  7. 60/120 kWh C&I battery cabinets

    Commercial storage

    Battery cabinet capacities named in the overview; capacity is energy, not inverter power.3

  8. 100 kW–2.5 MW modular C&I ESS

    Commercial storage

    Modular commercial range whose quoted figures denote rated output power.3

  9. 215 kWh–4.3 MWh air-cooled ESS

    Commercial storage

    Air-cooled commercial storage range described by energy capacity.3

  10. 4.3 MWh liquid-cooled ESS

    Utility storage

    Liquid-cooled utility storage system described in the official portfolio.3

  11. 430 kWh PV-BESS-EV charging solution

    Integrated commercial energy

    Commercial integrated solar, battery and EV-charging solution named in the overview.3

  12. Deye Copilot

    Energy software

    Deye Cloud function adjusting inverter strategy using dynamic tariffs and forecasting.7

Technology

The SG04LP3 installation manual separates battery BMS, meter and parallel connections, and labels its Modbus port as reserved. This distinction matters because a connector labelled RS485 or CAN does not by itself describe the permitted data or control function. The newer SG05LP3 family datasheet lists Wi-Fi, RS485 and CAN, but is not a complete third-party register map.

At the application layer, Deye Cloud describes monitoring, event information, energy analysis and device management. Its architecture also names an OpenAPI route. Those manufacturer-described interfaces are useful starting points for integration research; an independently tested Edge connection and its exact firmware/register scope are not established here.

Markets

Deye Cloud includes a residential energy-management service called Copilot. Deye describes using electricity-price information, load forecasts and solar forecasts to plan battery charging and discharging, with manual and automated modes. This is a tariff-aware operating service, separate from the fixed time schedules available directly in a hybrid inverter.

The broader Deye catalogue distinguishes residential PV and energy storage from commercial PV and storage systems. Its contact directory provides regional service centres and sales channels across multiple markets. For an owner or installer, that creates a practical route from selecting the equipment to obtaining help with its operation and local support.

Company

The inverter website identifies Ningbo Deye Inverter Technology Co., Ltd. and publishes its global headquarters in Ningbo, Zhejiang, China. Its corporate overview separately describes Ningbo Deye Technology Co., Ltd., founded in 2000 and listed on the Shanghai Stock Exchange in April 2021 under stock code 605117.SH. The same page dates the inverter company to 2007. Those names and dates distinguish the inverter business from the wider corporate scope.

The overview describes PV inverters, energy storage and environmental appliances as the group's principal areas. The inverter business's international contact network includes service centres and regional offices, including a Singapore regional office. This profile focuses on the solar and storage offering rather than treating every product in the wider group as an inverter accessory.

Alternatives in renewable energy equipment

What to look for in renewable energy equipment

References

  1. Solar Grid-Tie Inverter Manufacturers, PV On-Grid Inverter | Deye (opens in a new tab)
  2. instructions_sun-5-12k-sg04lp3-eu_240813_en.pdf (opens in a new tab) (PDF)
  3. About Us- NingBo Deye Inverter Technology Co.,Ltd (opens in a new tab)
  4. Deye Best Inverter Product (opens in a new tab)
  5. Contact Us- NingBo Deye Inverter Technology Co.,Ltd (opens in a new tab)
  6. Solar Hybrid Inverter Manufacturers, Grid Interactive Inverter | Deye (opens in a new tab)
  7. Deye Cloud- NingBo Deye Inverter Technology Co.,Ltd (opens in a new tab)
  8. Inverter Monitoring Manufacturer, Inverter Parts And Accessories Supplier | Deye (opens in a new tab)
  9. Modular C&I ESS Manufacturer, Suppliers | Deye Inverter Technology (opens in a new tab)
  10. BDatasheetSUN-3-12K-SG05LP3-EU-SM220260424en.pdf (opens in a new tab) (PDF)

This profile does not imply a commercial relationship with Deye and may contain inaccuracies.