Free delivery. 5 year warranty.  

NOTE: 3-phase inverter with a 4kW maximum power per phase constant draw. Total power is 12kW. 

The 12kW Deye is a three-phase hybrid inverter with low battery voltage 48V, ensuring system safe and reliable. With compact design and high-power density, this series supports 1.3 DC/AC ratio, saving device investment. Equipped with CAN port (x2) BMS and parallel, x1 RS485 port for BMS, x1 RS232 port for remotely control, x1 DRM port, which makes the system smart and flexible. The phases should not exceed 4kW each

Higher yields

• Improve self-consumption ratio up to 80%, reducing your electricity bill
• DC/AC ratio up to 1.3, completely suitable for double-side PV modular
• Two MPPT design, Max. efficiency of 97.6%

User-friendly

• LCD Touch screen and buttons, easy operation
• Compatible with lithium-ion battery and lead acid battery
• Web browser and mobile App monitoring supported

Reliable

• PV lighting protection, Anti-islanding protection, Leakage current protection etc
• Support store energy from DG when needed, ensure the system working within 7*24H
• IP65 protection degree, adapt to indoor and outdoor using
• Automatically switch from on-grid to off-grid mode within 5ms
• Zero exporting function, fast reaction within 200ms in zero export mode

Smart

• Programmable charging and discharging schedule
• Both wind turbines and solar panels can be connected as DC input power
• Max. 16 units can be paralleled for higher system power
• Retrofitting of existing solar system to energy storage system

Is the Deye 12kW inverter suitable for South African load shedding?

Yes. The inverter automatically switches to battery and solar power during load shedding, helping keep essential appliances running without interruption.

Can the Deye 12kW inverter work without batteries?

Yes. It can operate as a grid-tied solar inverter without batteries. Batteries can also be added later if required.

Which batteries are compatible with the Deye 12kW Hybrid Inverter?

The inverter supports many lithium battery brands that communicate using CAN or RS485 protocols. Always confirm compatibility with your chosen battery model before installation.

Is this inverter suitable for a three-phase property?

Yes. It is specifically designed for three-phase residential, commercial and agricultural electrical installations.

Can I connect a generator to this inverter?

Yes. The Deye SUN-12K-SG05LP3-EU-SM2 supports generator integration for additional backup power when required.

Can excess solar energy charge my batteries?

Yes. The inverter prioritises charging batteries with surplus solar energy before drawing power from the grid, depending on your system settings.

Can I monitor the inverter remotely?

Yes. The inverter supports remote monitoring via the Deye monitoring platform, allowing you to view energy production, battery levels and system performance from anywhere with an internet connection.

Is the Deye inverter compatible with Eskom?

Yes. The inverter is designed to operate with South African grid standards when installed according to local regulations and utility requirements.

Does the inverter support solar panels from different manufacturers?

Yes. Most solar panel brands can be used provided the system is designed within the inverter's electrical specifications.

Can I install this inverter outdoors?

Yes. The inverter has an IP65-rated enclosure, making it suitable for outdoor installation when mounted according to the manufacturer's guidelines.

How many solar panels can I connect?

The number depends on the panel wattage, voltage, string design and the inverter's PV input limits. A qualified installer should size the system correctly.

Does this inverter support net metering?

Where permitted by your municipality or utility, the inverter supports export control and can be configured for systems that allow feeding excess electricity back into the grid.

Is the Deye 12kW inverter suitable for businesses?

Yes. It is commonly installed in offices, shops, farms, warehouses and other commercial properties that require reliable backup power and lower electricity costs.

Can I expand my solar system later?

Yes. The inverter supports system expansion, provided the installation remains within the manufacturer's specifications. Additional batteries or solar panels may be added depending on the system design.

What protection features are included?

The inverter includes multiple built-in protections such as over-voltage, over-current, short-circuit, over-temperature, anti-islanding and surge protection (installation-dependent).

Does the inverter make noise?

The inverter uses active cooling and may produce some fan noise under heavy load, but it is generally suitable for utility rooms, garages and other service areas.

What size battery works best with a 12kW inverter?

The ideal battery capacity depends on your energy usage and backup requirements. Many South African installations pair a 12kW hybrid inverter with approximately 15–30kWh of lithium battery storage, though larger or smaller capacities may be appropriate depending on the application.

Can this inverter power an entire house?

Yes, if the home's maximum simultaneous demand is within the inverter's capacity and the system has appropriately sized solar panels and battery storage. Larger properties may require careful load management or additional inverters.

How long will the batteries last during load shedding?

Battery runtime depends on the battery capacity; the appliances being powered and the state of charge. Higher-capacity battery banks provide longer backup times.

Does this inverter support time-of-use electricity tariffs?

Yes. It can be programmed to charge or discharge batteries during specific time periods, helping optimize savings where time-of-use tariffs are available.