Deye SUN-12K-SG05LP3-EU-SM2 12kW 3-Phase Hybrid Solar Inverter
The Deye SUN-12K-SG05LP3-EU-SM2 is a 12kW three-phase hybrid inverter designed for solar, battery storage and backup power applications. It uses a 48V low-voltage battery system with transformer isolation and supports both lead-acid and lithium-ion batteries. The inverter provides two MPPT trackers, up to 18kW maximum PV input power and 240A maximum battery charging and discharging current. It supports AC coupling, diesel generator energy storage and parallel operation of up to 10 units for supported on-grid and off-grid configurations.
Key Features
12kW three-phase hybrid inverter
48V low-voltage battery system
Transformer isolation design
Up to 18kW maximum PV input power
Up to 24kW PV access power
Dual MPPT
800V maximum PV input voltage
200–650V MPPT voltage range
240A maximum battery charging current
240A maximum battery discharging current
Supports lithium-ion and lead-acid batteries
AC coupling for existing solar systems
Supports diesel generator energy storage
Up to 10 units in parallel
Six programmable battery charging/discharging periods
Unbalanced output support
5-year warranty
Technical Specifications
Brand: Deye
Model: SUN-12K-SG05LP3-EU-SM2
Product Type: Three-Phase Hybrid Solar Inverter
Rated Power: 12,000W
Battery Type: Lead-acid / Lithium-ion
Battery Voltage Range: 40–60V
Maximum Charge Current: 240A
Maximum Discharge Current: 240A
Lithium Battery Charging: Self-adaptive to BMS
Maximum PV Access Power: 24,000W
Maximum PV Input Power: 18,000W
Maximum PV Input Voltage: 800V
PV Start-Up Voltage: 160V
MPPT Voltage Range: 200–650V
Rated PV Input Voltage: 550V
Maximum PV Input Current: 26A + 26A
Maximum PV Short-Circuit Current: 39A + 39A
MPPT Trackers: 2
MPPT/String Configuration: 2 + 2
Parallel Capability: Up to 10 units
Dimensions: 660 × 386 × 250mm
Weight: 35.2kg
Warranty: 5 years
What’s Included
1 × Deye SUN-12K-SG05LP3-EU-SM2 12kW three-phase hybrid inverter
Not included unless specifically stated: batteries, solar panels, mounting equipment, generator, protection equipment, cabling and installation.
Installation & Warranty Requirements
For warranty compliance, installation must be completed by a qualified electrical wireman or Master Electrician with valid registration. A valid Certificate of Compliance (COC) must be issued, and the installation must comply with applicable SANS 10142 requirements. Installation documentation and photos may be required for warranty claims.

