Deye 15kW 3-Phase Hybrid Inverter SUN-15K-SG05LP3-EU-SM2 (48V Low Voltage)
The Deye 15kW 3-Phase Hybrid Inverter SUN-15K-SG05LP3-EU-SM2 is a high-performance energy management inverter designed for properties that require strong three-phase power delivery, large solar input capability, and low-voltage battery storage. The Deye SUN-15K-SG05LP3-EU-SM2 is built to balance solar generation, battery charging, and grid interaction intelligently while supporting advanced use cases such as generator charging, AC-coupled retrofits, and scalable parallel expansion.
What the Deye 15kW 3-Phase Hybrid Inverter Is Designed For
The Deye 15kW 3-Phase Hybrid Inverter is designed for three-phase sites with real-world load distribution challenges such as farms, workshops, small factories, lodges, and larger homes with three-phase supplies. A major advantage of the Deye SUN-15K-SG05LP3-EU-SM2 is its ability to provide 100% unbalanced output, allowing each phase to carry different loads, with output up to 50% of rated power per phase where required by the load profile.
Deye SUN-15K-SG05LP3-EU-SM2 Battery Support and High Current Performance
The Deye SUN-15K-SG05LP3-EU-SM2 supports lead-acid or lithium-ion battery systems and operates on a low-voltage battery range of 40V to 60V with BMS self-adaptation for lithium batteries. For high-load applications, the Deye 15kW 3-Phase Hybrid Inverter supports up to 280A maximum charging current and 280A maximum discharging current, which is a key requirement for stable operation with large battery banks.
Deye 15kW 3-Phase Hybrid Inverter Solar PV Input and MPPT Design
The Deye 15kW 3-Phase Hybrid Inverter supports large PV array designs with up to 30,000W maximum PV access power and up to 24,000W maximum PV input power. The Deye SUN-15K-SG05LP3-EU-SM2 supports a maximum PV input voltage of 800V, a start-up voltage of 160V, and an MPPT operating voltage range of 160V to 650V with a rated PV input voltage of 550V. For array current handling, the Deye 15kW 3-Phase Hybrid Inverter supports maximum operating PV input current of 36A + 36A and maximum short-circuit current of 54A + 54A. The MPPT design is specified as 2 trackers with string configuration shown as 2/2+2.
Deye SUN-15K-SG05LP3-EU-SM2 AC Output, Surge Capability, and Grid Pass-Through
The Deye SUN-15K-SG05LP3-EU-SM2 provides 15,000W rated AC active power with 16,500VA maximum AC apparent power. The Deye 15kW 3-Phase Hybrid Inverter supports strong surge capability with peak power of 2 times rated power for 10 seconds. Power factor adjustment is supported from 0.8 leading to 0.8 lagging. For grid-to-load support, the Deye SUN-15K-SG05LP3-EU-SM2 supports a maximum continuous AC passthrough (grid to load) of 70A.
Deye 15kW 3-Phase Hybrid Inverter Retrofit and Scalability Features
The Deye 15kW 3-Phase Hybrid Inverter supports AC coupling to retrofit existing solar systems, allowing integration into sites that already have solar installed. The Deye SUN-15K-SG05LP3-EU-SM2 supports storing energy from a diesel generator, which is important for properties that need alternative charging options. For growth and multi-inverter systems, the Deye 15kW 3-Phase Hybrid Inverter supports parallel operation of up to 10 units for both on-grid and off-grid operation and supports multiple batteries in parallel. The Deye SUN-15K-SG05LP3-EU-SM2 also supports 6 time periods for battery charging and discharging, enabling advanced energy scheduling.
Deye SUN-15K-SG05LP3-EU-SM2 Efficiency, Protection, and Environmental Ratings
The Deye SUN-15K-SG05LP3-EU-SM2 achieves up to 97.6% maximum efficiency and 97.0% Euro efficiency with MPPT efficiency greater than 99%. Total current harmonic distortion is specified as less than 3% of nominal power and DC injection current is specified as less than 0.5% In. Surge protection level is Type II for both DC and AC. The Deye 15kW 3-Phase Hybrid Inverter is rated IP65 and supports intelligent air cooling with noise under 60dB. Operating temperature range is -40°C to +60°C with derating above 45°C, permissible humidity is 0–100%, and permissible altitude is 3000m.
Deye 15kW 3-Phase Hybrid Inverter Technical Specifications (SUN-15K-SG05LP3-EU-SM2)
Identity
- Brand: Deye
- Model / MPN: SUN-15K-SG05LP3-EU-SM2
- Inverter type: Three-phase hybrid inverter
Battery Input (Low Voltage)
- Battery type: Lead-acid or Lithium-ion
- Battery voltage range: 40–60 V
- Charging strategy (Li-ion): Self-adaption to BMS
- Number of battery inputs: 1
- Max charging current: 280 A
- Max discharging current: 280 A
PV (Solar) Input
- Max PV access power: 30,000 W
- Max PV input power: 24,000 W
- Max PV input voltage: 800 V
- Start-up voltage: 160 V
- MPPT voltage range: 160–650 V
- Rated PV input voltage: 550 V
- Max operating PV input current: 36 A + 36 A
- Max PV short-circuit current: 54 A + 54 A
- MPPT / strings configuration: 2 / 2/2+2
AC Input / Output (Three Phase)
- Rated AC input/output active power: 15,000 W
- Max AC input/output apparent power: 16,500 VA
- Rated AC input/output current: 22.8 / 21.8 A
- Max AC input/output current: 25 / 24 A
- Max continuous AC pass-through (grid to load): 70 A
- Peak power (off-grid): 2 × rated power, 10 s
- Power factor adjustment range: 0.8 leading to 0.8 lagging
Efficiency
- Max efficiency: 97.6%
- Euro efficiency: 97.0%
- MPPT efficiency: >99%
- THDi: <3% (of nominal power)
- DC injection current: <0.5% In
Protection, Cooling, and Environmental
- Surge protection level: Type II (DC), Type II (AC)
- Ingress protection rating: IP65
- Cooling method: Intelligent air cooling
- Noise: <60 dB
- Operating temperature range: -40°C to +60°C (derating >45°C)
- Permissible humidity: 0–100%
- Permissible altitude: 3000 m
Physical
- Cabinet size (W × H × D): 456 × 750 × 268.5 mm (excluding connectors and brackets)
- Weight: 51.9 kg
- Installation style: Not specified in datasheet
- Colour: Not specified in datasheet
- Enclosure material: Not specified in datasheet
Communication and Monitoring
- Monitor mode: GPRS / WiFi / Bluetooth / 4G / LAN (optional)
- Communication interface: RS485 / RS232 / CAN
Warranty
- Warranty: 5 Years / 10 Years (warranty period depends on the final installation site of the inverter)
FAQ
Frequently Asked Questions About the Deye 15kW 3-Phase Hybrid Inverter
What types of battery systems are compatible with the Deye 15kW hybrid inverter?
The Deye SUN-15K-SG05LP3-EU-SM2 supports low-voltage battery systems operating between 40V and 60V, including common lithium-ion and lead-acid chemistries. When using lithium batteries, the inverter automatically adapts to the battery management system (BMS) for safe charging and discharging.
What battery brands work well with the Deye 15kW inverter?
Many reputable battery brands work with this inverter, including **Pylontech, Dyness, Freedom Won, Deye, Greenrich, HinaESS, Volta** and others that support 48V lithium-ion configurations. Always ensure the battery’s BMS is compatible with the inverter’s communication protocols.
What batteries should be used with the Deye 15kW hybrid inverter?
This inverter is designed to be used with **48V lithium-ion batteries** for best performance and efficiency. While lead-acid batteries can be supported, LiFePO₄ (lithium iron phosphate) batteries are generally preferred due to longer cycle life, safety, and deeper usable capacity.
Which battery brand would you recommend for the Deye 15kW inverter?
For price, reliability, and local support, **Greenrich batteries** are a strong choice when paired with the Deye 15kW hybrid inverter. Other recommended brands include **HinaESS, Dyness, Freedom Won, Pylontech, and Volta**, depending on your system size, budget, and preferred warranty support.
How does the Deye 15kW inverter manage unbalanced three-phase loads?
The Deye SUN-15K-SG05LP3-EU-SM2 supports **100% unbalanced output**, meaning each of the three phases can deliver different load levels up to the rated capacity. This is particularly useful in agricultural and commercial settings where phase loads vary significantly (e.g., motors, pumps, workshops).
Can I expand the system later if my energy needs grow?
Yes. The Deye 15kW hybrid inverter supports **parallel operation of up to 10 units**, allowing you to scale both power and storage capacity over time. This makes it suitable for phased growth in commercial or agricultural sites.
Is the Deye 15kW 3-Phase hybrid inverter suitable for retrofitting existing solar systems?
Yes. The Deye SUN-15K-SG05LP3-EU-SM2 supports **AC coupling**, allowing it to be installed alongside existing grid-tied solar systems. This means you can upgrade to hybrid functionality without removing your current inverter.
Does the Deye 15kW inverter support generator integration?
Yes. The system can accept generator input and store generator energy in the battery bank when needed. This is useful for remote sites or properties with unreliable grid supply, providing added flexibility and backup capability.
What kind of monitoring and control does the Deye 15kW hybrid inverter offer?
The Deye 15kW inverter supports multiple communication interfaces such as **RS485, CAN, Wi-Fi (optional), GPRS, 4G, and LAN**. These allow real-time monitoring of solar production, battery status, grid interaction, and load distribution via compatible platforms.
Is the Deye 15kW hybrid inverter suitable for commercial and industrial environments?
Yes. With up to 15kW rated output, 100% unbalanced phase support, strong PV input capacity, and scalable parallel operation, the Deye 15kW is ideal for light commercial, industrial, agricultural, and high-demand residential sites.
How is the Deye 15kW inverter cooled and protected for long-term operation?
The Deye SUN-15K-SG05LP3-EU-SM2 uses intelligent air cooling with an **IP65 protection rating**, making it suitable for indoor or sheltered outdoor installations. It includes protections such as surge protection, over-current, over-temperature, and insulation monitoring for safe long-term operation.
Do I need a certified installer for the Deye 15kW hybrid inverter?
Yes. To ensure safe installation, compliance with local electrical standards, and warranty validity, the inverter should be installed by a certified electrician or accredited installer familiar with three-phase hybrid systems.
Can the Deye 15kW hybrid inverter help reduce electricity costs?
Yes. Through features such as solar self-consumption optimisation, battery storage time scheduling, and peak shaving (when configured with the right battery and load profile), the Deye 15kW hybrid inverter can help reduce reliance on grid power and lower energy costs, especially where time-of-use tariffs are in effect.
What is the expected efficiency of the Deye 15kW hybrid inverter?
The Deye SUN-15K-SG05LP3-EU-SM2 offers high performance with **up to 97.6% maximum efficiency, 97.0% Euro efficiency, and greater than 99% MPPT efficiency**, ensuring minimal energy loss in solar conversion and battery usage.
Does the inverter come with a warranty?
Yes. The Deye 15kW hybrid inverter includes a **5-year warranty**, with extended warranty options available (such as 10 years) depending on the final installation location and conditions, as specified by GoodWe’s warranty policy.
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