Deye 12kW Single Phase Hybrid Inverter (SUN-12K-SG01LP1-EU) for High-Demand Solar Systems

The Deye 12kW Single Phase Hybrid Inverter is a high-capacity energy management solution engineered for modern homes, farms, and light commercial properties with substantial electrical demand. Designed to operate reliably in environments affected by frequent load shedding, the Deye SUN-12K-SG01LP1-EU combines powerful solar input capability, low-voltage battery support, and advanced hybrid functionality to ensure continuous power availability and efficient energy optimisation.

With the ability to manage energy from solar panels, battery storage, the utility grid, and diesel generators, the Deye 12kW Single Phase Hybrid Inverter offers far more than basic backup operation. It enables users to maximise solar self-consumption, reduce grid dependency, and maintain stable power delivery during extended outages, even under higher load conditions.

This inverter is designed for users who require a scalable, future-ready energy system. Support for high battery charge and discharge currents, multiple MPPT inputs, AC coupling, and parallel operation allows the Deye SUN-12K-SG01LP1-EU to grow alongside increasing solar generation, expanding battery capacity, and rising energy demands without the need to replace core system components.

Key Operating Features of the Deye 12kW Hybrid Inverter

The Deye SUN-12K-SG01LP1-EU is equipped with a colour touch LCD that provides clear real-time system status and configuration access. An IP65-rated enclosure allows the inverter to be installed indoors or outdoors, making it suitable for a wide range of installation environments.

Advanced battery management is supported through up to six programmable time periods for battery charging and discharging, enabling optimisation for load shedding schedules, time-of-use tariffs, or generator operation. With a maximum battery charging and discharging current of up to 290A, the Deye 12kW hybrid inverter is capable of supporting high-power backup applications and large battery banks.

The inverter supports storing energy from a diesel generator, improving system reliability during extended grid outages. AC coupling capability allows the Deye 12kW hybrid inverter to be retrofitted into existing grid-tied solar systems without replacing the original inverter.

For scalable installations, the Deye SUN-12K-SG01LP1-EU supports parallel operation of up to 16 units for both on-grid and off-grid systems and allows multiple battery banks to be connected in parallel for increased energy storage capacity.

What the Deye 12kW Hybrid Inverter Is Designed For

The Deye SUN-12K-SG01LP1-EU is designed to manage power from solar panels, batteries, the utility grid, and diesel generators. It operates as a true hybrid inverter, supplying essential loads during power outages while maximizing solar self-consumption when grid power is available.

The Deye 12kW Single Phase Hybrid Inverter is suitable for large residential properties and light commercial sites and is not intended as a simple plug-and-play backup inverter. Proper system design and load planning are essential.

Battery Compatibility and High Current Capability of the Deye 12kW Hybrid Inverter

The Deye 12kW hybrid inverter supports low-voltage lithium-ion and lead-acid battery systems operating in the 40–60 V range. With a maximum battery charge and discharge current of up to 220 A, the inverter delivers strong backup performance under heavy load conditions.

The inverter automatically adapts its charging strategy to the connected battery management system, ensuring safe and efficient battery operation.

Solar Input and MPPT Architecture of the Deye SUN-12K-SG01LP1-EU

The Deye 12kW Single Phase Hybrid Inverter supports up to 15.6 kW of solar PV input and features three independent MPPT trackers. This allows flexible PV array design across multiple roof orientations and maximizes solar harvesting throughout the day.

AC coupling support enables the Deye 12kW hybrid inverter to be retrofitted into existing grid-tied solar installations without replacing the original inverter.

Advanced Operating Features of the Deye 12kW Hybrid Inverter

The Deye SUN-12K-SG01LP1-EU includes a color touch LCD for local system control and configuration. The IP65-rated enclosure allows for indoor or outdoor installation.

Six programmable battery charge and discharge time periods allow users to optimize battery usage for time-of-use tariffs, load shedding schedules, or generator operation. The inverter can store energy from a diesel generator, improving system reliability during extended grid outages.

Parallel operation of up to 16 inverters is supported for both on-grid and off-grid systems, and multiple battery banks can be connected in parallel for increased storage capacity.

Deye SUN-12K-SG01LP1-EU 12kW Technical Specifications

Battery Specifications

• Battery type: Lithium-ion or lead-acid
• Battery voltage range: 40 – 60 V
• Maximum charging current: 290A
• Maximum discharging current: 290A
• Charging strategy: Self-adaptation to BMS
• Number of battery inputs: 2

Solar (PV) Input Specifications

• Maximum PV input power: 15,600 W
• Maximum PV input voltage: 500 V
• Start-up voltage: 125 V
• MPPT voltage range: 150 – 425 V
• Rated DC input voltage: 370 V
• Maximum operating PV input current: 26 A + 26 A + 26 A
• Maximum PV short-circuit current: 44 A + 44 A + 44 A
• Number of MPPTs: 3
• Strings per MPPT: 2 + 2 + 2

AC Input / Output Specifications

• Rated AC active power: 12,000 W
• Maximum apparent power: 13,200 VA
• Rated AC current: 54.5 A / 52.2 A
• Maximum AC current: 60 A / 57.4 A
• Nominal output voltage: 220 / 230 Vac
• Operating voltage range: 0.85 Un – 1.1 Un
• Nominal frequency: 50 Hz (45–55 Hz)
• Total harmonic distortion (THDi): <3%

Efficiency

• Maximum efficiency: 97.6%
• Euro efficiency: 96.5%
• MPPT efficiency: >99%

Physical and Environmental Specifications

• Dimensions (W × H × D): 464 × 763 × 282 mm
• Weight: 52 kg
• Cooling method: Intelligent air cooling
• Operating temperature range: −40 °C to +60 °C (derating above 45 °C)
• Noise level: <50 dB
• Protection rating: IP65
• Inverter topology: Non-isolated