Deye SUN-25K-SG01HP3-EU-AM2

Hybrid Inverter SUN-25K-SG01HP3-EU-AM2 - 3-Phase Solar Storage Inverter

The SUN-25K-SG01HP3-EU-AM2 is a three‑phase hybrid inverter designed for modern PV storage systems. It supports both DC‑coupled and AC‑coupled configurations to retrofit existing solar installations, enabling on‑grid and off‑grid operation with scalable storage by paralleling units and multiple batteries. The unit emphasizes high‑voltage battery integration, flexible charging and discharging schedules, and compatibility with auxiliary energy sources such as diesel generators, delivering efficient energy management in diverse environments.

Applications and use cases

Designed for professional PV storage deployments, this hybrid inverter excels in retrofit, grid‑titted, and off‑grid applications. It enables 100% unbalanced output on each of the three phases and supports up to ten units operating in parallel to expand capacity, making it suitable for commercial rooftops, industrial facilities, and large residential systems requiring reliable energy storage and flexible backup. Its ability to store energy from a diesel generator further broadens its use in remote or grid‑deficient sites where continuous power is essential.

• DC‑coupled or AC‑coupled integration for retrofit of existing solar systems
• Three‑phase architecture ideal for commercial and industrial PV storage
• Up to 10 units in parallel for scalable on‑grid and off‑grid operation
• Support for multiple HV batteries in parallel to increase storage capacity
• Backup energy storage from diesel generators for reliable power supply
• Six battery charging/discharging periods for optimized energy management
• High efficiency with compact, HV‑ready design for demanding environments

Key electrical and performance parameters

This inverter delivers robust performance with a balanced blend of high DC capability and efficient AC output. It is built to operate across typical PV and storage deployment conditions, maintaining solid efficiency and power quality across its intended range.

• Maximum DC Power: 32.5 kW and Inverter Power: 25 kW for strong PV to storage conversion
• Maximum Efficiency: 97.6% (Euro efficiency around 97%) for high‑level energy conversion
• Three phases with nominal AC voltages of 220/380 V or 230/400 V; frequency 50/60 Hz; PF 0.8 (leading to lagging)
• DC inputs: 4 channels, MPPT: 2 channels, Strings per MPPT: 2
• Maximum DC voltage: 1000 V; Maximum DC current: 26 A per input (26+26)
• Maximum AC current: 41.7 A / 39.9 A; Nominal AC current: 37.9 A / 36.3 A
• Dimensions: 638 mm (H) x 408 mm (W) x 237 mm (D); Weight: 30.5 kg
• Operating temperature range: -40 to +60 C; Protection class: IP65; Display: LED

Battery and backup capabilities

The SUN‑25K‑SG01HP3‑EU‑AM2 emphasizes flexible battery integration and backup options. It supports multiple batteries in parallel with a high charging/discharging current and provides structured charging/discharging schedules to optimize storage performance. Diesel generator energy storage support adds an additional layer of resilience for critical loads and mission‑critical applications.

• 6 discrete battery charging/discharging periods for tailored energy management
• High‑voltage battery support with parallel battery operation for expanded storage
• Max charging/discharging current of 50 A to rapidly respond to load changes
• DC coupling and AC coupling options enable retrofit in existing solar installations
• Generator energy storage integration for extended backup capabilities
• 100% unbalanced per‑phase output provides flexible loading across phases