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Deye SUN-40K-SG01HP3-EU-BM4 Hybrid Inverter

The Deye SUN-40K-SG01HP3-EU-BM4 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.

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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 40kW 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.

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Technical Specifications Feedback

Parameter	Specification
Rated AC Input/Output Active Power	40,000 W
Max AC Apparent Power	44,000 VA
Battery Type	High‑voltage lithium‑ion battery
Battery Voltage Range	160–800 V
Number of Battery Inputs	2
Max Charge/Discharge Current	50+50 A
Max PV Access Power	80,000 W
Max PV Input Power	64,000 W
Max PV Voltage	1,000 V
PV Start‑up Voltage	180 V
MPPT Voltage Range	150–850 V
Rated PV Voltage	600 V
Number of MPPT Trackers	4
PV String Configuration	4/2+2+2+2
Max MPPT Operating Current	36+36+36+36 A
AC Rated Voltage	220/380 V or 230/400 V, 3L+N+PE
Max AC Passthrough Current	200 A
Total Harmonic Current Distortion (THDi)	< 3%
Core Functions	100% unbalanced output; AC coupling; diesel generator energy storage; 6‑period timing control; parallel operation of up to 10 units