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Description

Product information

The Deye SUN-12K-SG02LP1-EU is a high-performance hybrid inverter for modern photovoltaic systems. With up to 12 kW AC power, flexible battery connection and comprehensive protection functions, it offers a reliable solution for grid-connected and off-grid applications in both domestic and commercial settings.

Highlights at a glance

  • High performance: 12 kW AC output power for demanding energy systems
  • Flexible operation: Up to 16 units can be operated in parallel – on-grid and off-grid
  • Versatile storage integration: Supports lithium-ion and lead-acid batteries
  • Smart energy management: 6 freely configurable time slots for charging and discharging
  • Maximum safety: Integrated protection against overload, short circuit, overvoltage and island operation

Efficient energy use with hybrid technology

The SUN-12K-SG02LP1-EU supports both DC and AC coupling, making it ideal for both new installations and retrofits. With a maximum efficiency of 97.6% and an MPPT efficiency of 99.9%, it ensures optimum energy conversion.

Flexibility through parallel connection

Up to 16 inverters can be operated in parallel, both in grid-connected and off-grid mode. This allows projects of any scale to be implemented, from private homes with high energy requirements right through to larger commercial installations.

Smart battery usage

With a maximum charging and discharging current of 190 A and adaptive communication with the BMS (RS485, CAN), the inverter supports both lithium-ion and lead-acid batteries. The battery can also be charged from a diesel generator, which expands its range of applications.

Safety and protective functions

The Deye SUN-12K-SG02LP1-EU is certified to international standards and offers comprehensive protection mechanisms: overvoltage and short-circuit protection, anti-islanding, residual current monitoring and PV string monitoring. It therefore meets the highest safety standards for stable operation.

Who is the Deye SUN-12K-SG02LP1-EU suitable for?

This hybrid inverter is ideal for:

  • Private households with a high proportion of self-consumption
  • Commercial enterprises requiring an uninterrupted power supply
  • Installations requiring flexible expandability through parallel connection
  • Operators of PV systems who wish to use both grid-connected and off-grid operation


FAQs on the Deye SUN-12K-SG02LP1-EU hybrid inverter

Which types of battery can be connected to the 12 kW inverter?

The inverter is compatible with lithium-ion and lead-acid batteries and automatically adapts its charging strategy to the respective BMS.

Can the single-phase inverter be operated in parallel?

Yes, up to 16 units can be connected in parallel, for both grid-connected and off-grid systems.

What safety features are built in?

The device features overvoltage, short-circuit, isolated grid and overcurrent protection, as well as integrated monitoring for PV strings and residual currents.

Is the inverter also suitable for retrofitting?

Yes, thanks to AC and DC coupling, the SUN-12K-SG02LP1-EU is suitable for both new installations and the expansion of existing PV systems.

What is the warranty for the device?

Deye A 10-year manufacturer’s warranty is provided.

 

Contents: Deye SUN-12K-SG02LP1-EU 12 kW hybrid inverter, single-phase

 

1 x Deye SUN-12K-SG02LP1-EU inverter

  • A single-phase hybrid inverter with a 12 kW output, an integrated colour LCD touchscreen and support for 48V low-voltage battery systems.

1 x wall mount bracket

  • A sturdy metal mounting rail for securely fixing the unit to a load-bearing wall.

1 x Wi-Fi stick (data logger)

  • A plug-in communication module for connecting to the internet, enabling remote monitoring via the Deye cloud or the Solarman app.

1 x current transformer (CT)

  • An external fold-out current transformer for measuring energy flows at the property connection, necessary for net metering and optimising self-consumption.

1 x set of PV connectors (MC4-compatible)

  • The required pairs of DC connectors (positive and negative) for connecting the PV strings to the inverter.

1 x communication cable (BMS)

  • A pre-assembled RJ45 data cable for connecting the inverter to the battery management system.

1 x fitting kit (screws and wall plugs)

  • A set of stainless steel screws and heavy-duty wall plugs for the correct installation of the wall bracket.

1 x User Manual

  • A printed manual containing detailed installation instructions, circuit diagrams and safety instructions.
Properties
AC output rated current: 52.2 A
Battery technology (link): Li-ion / LiFePo4
Battery voltage range: 40–60 V
Communication: RS485 / RS232 / CAN
Dimensions (W x D x H): 420 x 233 x 670 mm
Grid approvals: IEC 61727, IEC 62116, CEI 0-21, EN 50549, NRS 097, RD 140, UNE 217002, OVE Guideline R25, G99, VDE-AR-N 4105
MPPT efficiency: > 99 %
MPPT voltage range: 150–425 V
MPP trackers / strings per tracker: 3 / 2+2+2
Max. AC apparent power: 15 kVA
Max. AC output current: 52.2 A
Max. DC input power: 18,000 W
Max. DC input voltage: 500 V
Max. PV input current: 26 + 26 + 26 A
Max. charge/discharge current: 250 A / 250 A
Max. efficiency: 97.60 %
Max. short-circuit current: 44 + 44 + 44 A
Monitoring: GPRS / Wi-Fi / Bluetooth / 4G / LAN (optional)
Nominal DC voltage: 370 V
Number of battery inputs: 1
Operating temperature: –40 to +60 °C
Overvoltage category: OVC II (DC) / OVC III (AC)
Protection class: IP65
Rated AC active power: 12,000 W
Safety / EMC / Standards: IEC/EN 61000-6-1/2/3/4, IEC/EN 62109-1, IEC/EN 62109-2
Starting voltage: 125 V
Surge protection: TYPE II (DC) / TYPE II (AC)
Type: Single-phase hybrid inverter (low voltage)
Warranty: 5 years
Weight: approx. 35.6 kg
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