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Deye

SUN-3.6K-SG05LP1-EU

3.6 kW Hybrid Single-phase Battery-ready
Compare with closest alternative Datasheet PDF
Rated AC (kW)
3.60
Weak · bottom 8%
Euro eff. (%)
96.5
Weak · bottom 10%
MPPT
2
Typical · median 2
Max DC (V)
500
Weak · bottom 19%
Weight (kg)
24.0
Weak · 8.5 kg above median
Warranty (yrs)
5
Typical · median 5 yrs

The Deye SG05LP1-EU hybrid inverter series is a single-phase hybrid inverter designed for operation with low-voltage energy storage systems. This configuration ensures excellent performance in modern residential installations and smaller commercial facilities. The key feature is the inclusion of two independent MPPTs, which offer the flexibility to connect photovoltaic panel strings with varying orientations or in partially shaded conditions, effectively improving energy yield throughout the day.

In practice, these devices are optimized for autarky operation: smart scheduling enables prioritization of household power supply, battery charging, and surplus energy export to the grid. The high European efficiency minimizes losses under typical operating conditions in Poland, ensuring stable energy production throughout the year.

On a daily basis, users benefit from energy monitoring via an app and remote communication (e.g., through WiFi or Ethernet), simplifying diagnostics and energy flow control. The series also supports scalability through parallel operation and provides the necessary certifications for the EU market, streamlining approvals and compliance processes.

Ranking

362 inverters from 3 to 6 kW
Metric This inverter Median Position in class Rank in class
European efficiency 96.5% 97.2% Weak · bottom 10% 220
MPPT trackers 2 2 Typical 13
Max DC input voltage 500 V 600 V Weak · bottom 19% 237
Weight per kW 6.7 3.3 Weak · bottom 8% 324
Warranty 5 yrs 5 yrs Typical 34
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Price offers

6 from shops we track
Shop Country Price Per kW Stock Offer updated
Master Energy Poland 828.75 zł incl. VAT 230.21 zł/kW In stock 21h ago Visit shop
Sklep Soltech Poland 2 721.60 zł net 756 zł/kW Not stated 21h ago Visit shop
Eco System Projekt Poland 3 350 zł incl. VAT 930.56 zł/kW In stock yesterday Visit shop
eshop.jm-tech.sk Slovakia 650 € net 180.56 €/kW In stock yesterday Visit shop
Solmix Poland 3 748.42 zł incl. VAT 1 041.23 zł/kW In stock yesterday Visit shop
solu-sun.fr France 1 163.75 € incl. VAT 323.26 €/kW In stock yesterday Visit shop

Specifications

Open datasheet PDF
Rated AC power 3.6 kW Continuous output
Max AC power 3.69 kW Short-term output above the rating
Phases Single-phase
Nominal AC voltage 230 V
Max AC current 18.0 A
Power factor 0.8 leading to 0.8 lagging
Harmonic distortion (THD) 3.0 %
Max DC input power 4.68 kW DC/AC ratio 1.30
Max DC voltage 500 V Caps the string length
MPPT voltage range 150 to 425 V
Start-up voltage 125 V
MPPT trackers 2 1 string each
Max input current per MPPT 34.0 A Must exceed the panel's Imp
Max short-circuit current per MPPT 34.0 A Must exceed the panel's Isc
European efficiency 96.5 % Weighted across part loads
Max efficiency 97.6 % Best single operating point
Battery port Yes
Battery voltage 40–60
Max charge current 190.0 A
Max discharge current 190.0 A
Grid-forming Yes
Dimensions 580 × 330 × 232 mm Height × width × depth
Weight 24.0 kg 6.7 kg per kW
Enclosure IP65
Cooling natural
Noise 30 dB
Operating temperature -40 to 60 °C
Interfaces Display
Protocols RS485CAN
Protection Surge protection
Warranty 5 years Standard manufacturer cover
Certifications CEI 0-21VDE-AR-N 4105NRS 097IEC 62116IEC 61727G99G98VDE 0126-1-1RD 1699C10-11IEC/EN 61000-6-1/2/3/4IEC/EN 62109-1IEC/EN 62109-2

Pros and cons

5 positive · 2 caution
What owners get
Two independent MPPT systems with a wide operating range

Each tracker operates within a range of 150-425 V (Voc 500 V) with a maximum current of 13+13 A, which allows for connecting strings with different orientations or exposures without experiencing cross-load losses. Competitive inverters of this class (e.g., Growatt SPH) often offer only 1 MPPT in models up to 6 kW.

High efficiency - EU 96.5%, maximum 97.6%

The European efficiency rating of 96.5% and the peak rating of 97.6% (data from Deye datasheets, 2023-2024) places the series above the typical median for the LV segment (~95.5-96%), which, in the Polish climate with a high proportion of partial cloud cover, translates to a realistically higher annual energy yield.

EPS backup - switchover time ≤10 ms

The switching time to the backup power supply (EPS) is ≤10 ms, which meets the requirements of most consumer-grade electronic devices and eliminates the need for a separate UPS for critical home appliances.

Parallel processing for 16 units

The series supports the connection of up to 16 inverters in parallel (for both on-grid and off-grid applications), which allows for scaling the power of the installation without replacing the device - a significant advantage when expanding a commercial building or adding additional circuits.

IP65 rating + passive cooling (no fan required)

The IP65 enclosure and completely passive cooling system eliminate the risk of fan failure (a common cause of servicing in actively cooled models), reduce noise levels to 0 dB, and simplify installation in a garage or technical room.

Trade-offs
Only low-voltage (48 V) power supplies

The series is exclusively compatible with low-voltage (LV) batteries in the range of 40-60 V (48 V), while direct competitors (Sungrow SH5.0-10RT, Huawei SUN2000-6KTL) support high-voltage (HV) batteries (100-560 V), which have lower operating currents and higher round-trip efficiency (~97% vs. ~93-95% for LV). The selection of compatible batteries for the SG05LP1-EU is a narrower product range.

Potential difficulties with warranty service in Poland

Independent installer forums (such as DIY Solar Power Forum, 2024) have reported instances of delayed responses from Deye to warranty claims in Europe - customer support is routed through distributors rather than a dedicated service center in Poland. In contrast, Fronius and Sungrow have authorized local service partners.

Alternatives

All Deye inverters
Inverter Power Euro eff. MPPT Weight Difference
Deye SUN-3.6K-SG05LP1-EU 3.6 kW 96.5% 2 24.0 kg You are here
SPM 3600TL-HU 3.6 kW 97.6% 2 26.0 kg +1.1 pp efficiency, 2.0 kg heavier
MIN 3600TL-XH 3.6 kW 97.2% 2 10.8 kg +0.7 pp efficiency, 13.2 kg lighter
MIN 3600TL-XA 3.6 kW 97.2% - 10.8 kg +0.7 pp efficiency, 13.2 kg lighter
MIN 3600TL-XH2 3.6 kW 97.2% 2 10.8 kg +0.7 pp efficiency, 13.2 kg lighter
GW3600N-EH 3.6 kW 97.0% 2 17.0 kg +0.5 pp efficiency, 7.0 kg lighter
SUN-3.6K-SG04LP1-EU 3.6 kW 97.0% 2 14.0 kg +0.5 pp efficiency, 10.0 kg lighter
SUN-3.6K-SG04LP1-AU 3.6 kW 97.0% 2 - +0.5 pp efficiency
RHI-3.6K-48ES-5G 3.6 kW 96.8% 2 17.0 kg 7.0 kg lighter

About the SG05LP1-EU series

6 answered

These answers cover the whole series. Where a figure differs, the specification above is this model's own.

Which batteries are compatible with the Deye SG05LP1-EU inverter?
The SG05LP1-EU series supports low-voltage energy storage systems in the range of 40-60 V. It is compatible with lithium-ion (Li-ion), lithium-iron-phosphate (LiFePO4), and lead-acid batteries. The inverter communicates with the BMS system via the CAN or RS485 port, enabling intelligent charging and discharging management without the risk of damaging the batteries.
Which inverter from Deye SG05LP1-EU series should I choose for my home?
The series includes models with power outputs of 3.6 kW, 5 kW, 6 kW, 7 kW, 7.6 kW, 8 kW, and 10 kW. For a typical single-family home with a 6-10 kWp installation, the 6K or 8K variant is most commonly chosen. The 3.6K model is suitable for smaller apartments or installations with limited connection capacity, while the 10K model is an option for larger buildings with high power consumption.
What is the warranty on the Deye SG05LP1-EU inverters?
The standard manufacturer's warranty for the SG05LP1-EU series is 5 years. Depending on the distributor, this warranty can be extended up to 10 years. It is advisable to inquire with the seller about the terms of the extended warranty before purchasing, as offers vary depending on the partner.
Can the Deye SG05LP1-EU inverter be monitored via a mobile phone?
Yes, the SG05LP1-EU series has a factory-installed WiFi module and works with the Solarman Smart app. Once connected to your home wireless network, you can monitor production, consumption, battery status, and energy flows in real-time. LAN or 4G modules are also available for installations where WiFi coverage is not available.
Can Deye SG05LP1-EU inverters be connected in parallel to increase the system's power?
Yes, the SG05LP1-EU series supports parallel operation with up to 16 units simultaneously. This allows for flexible scaling of the system in both on-grid and off-grid modes. This is a significant advantage when planning future expansion of an installation or designing larger facilities where a single inverter is not sufficient.
Can a Deye SG05LP1-EU inverter be connected to a generator?
Yes, the SG05LP1-EU series is equipped with a dedicated GEN connector, allowing for the connection of a diesel or gasoline generator. The unit can automatically charge the battery in the event of a lack of power generation from the panels or a deep discharge of the battery, which significantly increases the reliability of the entire system in areas with unstable grid power.
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