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Deye SUN-20K-SG05LP3-EU-SM2 Three Phase Low Voltage Hybrid Inverter

The Deye SUN-20K-SG05LP3-EU-SM2 is a three-phase low-voltage hybrid inverter aimed at larger villas, farm facilities and small C&I sites. It keeps the installation on a 48V battery platform while providing three-phase AC output for balanced distribution across site loads.

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Project advantages:
100% unbalanced output helps handle real operating conditions where loads are uneven across phases.
AC-coupling support makes it suitable for storage upgrades on existing PV installations.
Generator charging and time-of-use control help sites manage backup energy and electricity costs.
Parallel operation gives distributors a scalable product family instead of a one-off inverter size.

At 20kW, this model suits customers who need more than simple grid-tie generation: battery integration, backup operation and load flexibility are the main reasons to specify it.

Technical Specifications Feedback

Parameter Item	Specification
Rated AC Input/Output Active Power	20,000 W; Max AC Apparent Power: 22,000 VA
Battery Compatibility & Parameters	Lead-acid or lithium-ion; 40–60 V; 2 battery inputs; Max charge/discharge current 350 A
PV Input Power Rating	Max PV access power 40,000 W; Max PV input power 32,000 W
PV Voltage Range	Max 800 V; Start-up 160 V; MPPT range 160–650 V; Rated PV voltage 550 V
MPPT Configuration	2 MPPT; 2/2+2; Max operating current 36+36 A; Short-circuit current 54+54 A
AC Side Specifications	220/380 V or 230/400 V, 3L+N+PE; Max continuous AC passthrough 70 A; THDi <3%
Efficiency & Protection Features	Max 97.6%; Euro efficiency 97.0%; MPPT efficiency >99%; IP65; Type II DC/AC SPD; Intelligent air cooling