
Deye Hybrid Inverter 20 kW
Brand: Deye · Advice and service from a single source by our Deye specialists.
- Three-phase hybrid inverter, 20 kW rated power (SUN-20K-SG05LP3-EU-SM2)
- 48 V low-voltage batteries (40–60 V), max. 350 A charge/discharge current
- 2 MPP trackers, max. 32,000 W PV input power, up to 800 V
- 100 % unbalanced load – up to 50 % of rated power per phase
- Up to 10 units in parallel (on- and off-grid), several batteries in parallel
- AC coupling for retrofitting existing PV systems
- Energy storage from a diesel generator possible
- 6 adjustable time slots for charging and discharging
- IP65, max. efficiency 97.6 %, Wi-Fi/RS485/CAN
Prices and dealer terms on request.
Deye SUN-20K-SG05LP3-EU-SM2 – three-phase hybrid inverter, 20 kW
The SUN-20K-SG05LP3-EU-SM2 is part of the Deye SUN-(14-20)K-SG05LP3-EU-SM2 series: three-phase hybrid inverters for 48 V low-voltage batteries with a transformer-isolated design on the battery side. It combines PV generation, battery storage and the grid in a single unit – for homes and businesses.
Features according to the manufacturer
- Battery: lead-acid or lithium-ion, 40–60 V, max. 350 A charge/discharge current, charging strategy “self-adaptation to BMS”, 2 battery inputs.
- PV input: 2 MPP trackers (2+2 strings), max. 32,000 W input power, max. 40,000 W PV array power, up to 800 V.
- Grid & backup: 3L+N+PE, 230/400 V; 100 % unbalanced load (up to 50 % of rated power per phase); off-grid peak power 2× for 10 s; max. 70 A AC pass-through.
- Scalable: up to 10 units in parallel in on- and off-grid operation, several batteries in parallel.
- Flexible: AC coupling for retrofitting existing PV systems, energy storage from a diesel generator, 6 adjustable time slots for charging/discharging.
- Robust: IP65, −40 to +60 °C (derating above 45 °C), up to 3,000 m, intelligent air cooling.
All technical data are taken from the official Deye datasheet (see downloads). Warranty according to Deye: 5 years or up to 10 years, depending on the country and conditions of installation – we will gladly tell you the warranty conditions that apply to your project on request.
Deye specialists with service from a single source
As Deye specialists, we advise you on selection and sizing, support you with commissioning, firmware and settings, and take care of a rapid fault diagnosis in a warranty case. We confirm compatibility with Easyway UNIV storage systems on a project basis.
| Model | SUN-20K-SG05LP3-EU-SM2 |
|---|---|
| Series | Deye SUN-(14-20)K-SG05LP3-EU-SM2, three-phase hybrid inverter |
| Rated AC active power (input/output) | 20,000 W |
| Max. AC apparent power | 22,000 VA |
| Rated AC current (input/output) | 30.4 / 29 A |
| Max. AC current (input/output) | 33.4 / 31.9 A |
| Grid connection | 3L+N+PE, 220/380 V or 230/400 V (0.85–1.1 Un), 50/60 Hz |
| Max. AC pass-through (grid → load) | 70 A |
| Peak power (off-grid) | 2 × rated power for 10 s |
| Battery type | Lead-acid or lithium-ion |
| Battery voltage range | 40–60 V (48 V low voltage) |
| Max. charge/discharge current | 350 A |
| Charging strategy (Li-ion) | Self-adaptation to BMS |
| Battery inputs | 2 |
| Max. PV array power | 40,000 W |
| Max. PV input power (DC) | 32,000 W |
| Max. PV input voltage | 800 V |
| Start-up voltage | 160 V |
| MPPT voltage range | 160–650 V |
| Rated DC input voltage | 550 V |
| MPP trackers / strings per tracker | 2 / 2+2 |
| Max. PV operating current | 36 + 36 A |
| Max. PV short-circuit current | 54 + 54 A |
| Efficiency | max. 97.6 %, Euro 97.0 %, MPPT > 99 % |
| Parallel operation | up to 10 units (on- and off-grid), several batteries in parallel |
| Protection functions | DC reverse polarity protection, AC overcurrent/overvoltage/short-circuit protection, temperature protection, insulation monitoring, DC component monitoring, anti-islanding, DC switch, residual current detection, AFCI optional |
| Surge protection | Type II (DC), Type II (AC) |
| Communication | WLAN, RS485, CAN |
| Display | LCD |
| Protection class | IP65 |
| Operating temperature | −40 to +60 °C (derating above 45 °C) |
| Max. installation altitude | 3,000 m |
| Noise level | < 60 dB(A) |
| Dimensions (W × H × D) | 456 × 750 × 268.5 mm (excluding connectors and brackets) |
| Weight | 51.9 kg |
| Cooling | Intelligent air cooling |
| Grid regulation | IEC 61727, IEC 62116, CEI 0-21, EN 50549, NRS 097, RD 140, UNE 217002, OVE guideline R25, G99, VDE-AR-N 4105 |
| Safety / EMC | IEC/EN 61000-6-1/2/3/4, IEC/EN 62109-1, IEC/EN 62109-2 |
| Warranty (manufacturer) | 5 years or up to 10 years – according to Deye depending on the country and conditions of installation (see Deye warranty conditions); details on request |
Downloads
Certifications & safety
Information according to the official Deye datasheet (section “Certifications”: grid regulation and safety/EMC).
- CEManufacturer’s EU declaration of conformity (download below)
- IEC/EN 62109-1 / -2Safety of power converters for PV systems
- IEC/EN 61000-6-1/2/3/4Electromagnetic compatibility (EMC)
- IEC 61727Grid connection / grid code standard
- IEC 62116Grid connection / grid code standard
- CEI 0-21Grid connection / grid code standard
- EN 50549Grid connection / grid code standard
- NRS 097Grid connection / grid code standard
- RD 140Grid connection / grid code standard
- UNE 217002Grid connection / grid code standard
- OVE guideline R25Grid connection / grid code standard
- G99Grid connection / grid code standard
- VDE-AR-N 4105Grid connection / grid code standard
Questions about this product?
We advise you on sizing, compatibility and availability – personally and with hands-on experience.


