Why This Upgrade Question Keeps Coming Up Anyone who's installed a run of SG04 or SG05 units knows ...
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The Deye SUN-25K-SG01HP3-EU-AM2 is a high-voltage three-phase hybrid inverter for commercial and industrial hybrid systems. Compared with 48V storage, the HV battery architecture reduces current at the same power level, which is helpful for higher-power projects with longer cable runs and stricter efficiency targets.
Why it is useful in system design:
High-voltage lithium battery support improves power handling and keeps DC current under control.
AC-coupling and generator support provide flexibility for both new builds and retrofit projects.
Time-based battery control supports peak shaving, self-consumption and backup reserve strategies.
Parallel operation allows staged capacity expansion as the customer’s site load grows.
The 25kW rating makes this model suitable for PV-plus-storage projects where power density, three-phase output and professional energy management are more important than lowest upfront cost.
| Parameter Category | Parameter Item | Specification Value |
| AC Input/Output Parameters | Rated AC Input/Output Active Power | 25,000 W (25 kW) |
| Maximum AC Apparent Power | 27,500 VA (27.5 kVA) | |
| Battery Parameters | Compatible Battery Type | Lithium-ion High Voltage |
| Battery Voltage Range | 160–700 V | |
| Number of Battery Inputs | 1 | |
| Maximum Charge/Discharge Current | 50 A | |
| PV Input Power Parameters | Maximum PV Access Power | 50,000 W (50 kW) |
| Maximum PV Input Power | 40,000 W (40 kW) | |
| PV Voltage Parameters | Maximum PV Input Voltage | 1,000 V |
| PV Start-up Voltage | 180 V | |
| MPPT Voltage Range | 150–850 V | |
| Rated DC Input Voltage Class | 700 V Class | |
| MPPT & String Parameters | Number of MPPT Channels | 2 |
| String Configuration | 2/2+2 | |
| Maximum Operating DC Current | 26+26 A | |
| Short-circuit Current | 39+39 A | |
| AC Side Parameters | Rated AC Voltage | 220/380 V or 230/400 V |
| AC Connection Type | 3L+N+PE | |
| Maximum Continuous Passthrough Current | 80 A | |
| Total Harmonic Distortion of Current (THDi) | <3% | |
| Efficiency & Protection Parameters | Maximum Conversion Efficiency | 97.60% |
| European Standard Efficiency (Euro Efficiency) | 97.00% | |
| MPPT Tracking Efficiency | >99% | |
| Ingress Protection Rating | IP65 | |
| Surge Protection Device (SPD) | Type II DC/AC SPD |
Recommend suitable products and configuration plans based on customers' power demand, application scenarios and budget.

Provide system-level combination suggestions for inverters, energy storage, batteries and supporting products.

All products undergo factory inspection and necessary testing before shipment.

Recommend suitable products and configuration plans based on customers' power demand, application scenarios and budget.

Offer product and system operation training for installers and project parties.
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