It can run with limited hybrid functions without a battery, but a LiFePO4 battery unlocks full performance and UPS capability.

SUN 12K-SG04LP3-EU - Solar Equipment

Community Snapshot

Deye SUN-12K-SG04LP3-EU (3-Phase Hybrid Inverter)

★★★★☆

Verdict: A best-value 12 kW 3-phase hybrid for PH conditions—praised for flexible hybrid modes, fast 240 A charge/discharge, scheduling, and robust protections. Some users wish the LCD/UI felt more modern.

What people like

Works on-grid, off-grid, UPS; 6 time-period TOU scheduling.
High 240 A charge/discharge; LiFePO₄ & lead-acid (40–60 V).
Parallel up to 10 units; handles unbalanced 3-phase loads.
IP65 build; performs reliably in hot climates.

Things to consider

Interface feels dated vs premium brands.
Correct CT/zero-export setup is essential for best results.
Wi-Fi/LAN/4G dongles may be required for advanced monitoring.

“Build quality is surprisingly good for the price; dual AC inputs are very useful for UPS backup in hybrids.” — Installer forum

“I’ve run the SUN-12K for months on LiFePO₄; versatile with AGM/gel too. Solid value.” — Community user

“Six charge/discharge time periods and 240A make it easy to optimize batteries around tariffs.” — Product docs

Promo price: ₱135,000 — Request a quote • Read our review

Why it stands out for the Philippines

Brownout-ready: seamless UPS/off-grid operation with battery and optional generator.
Bill control: time-of-use scheduling for charge/discharge and zero-export compliance via CT/smart meter.
Scalable: parallel up to 10 units for homes, farms, and light commercial sites.
Serviceable: IP65, low noise, remote monitoring via Wi-Fi/LAN/4G options.

Technical highlights

Rated output: 12,000 W (3-phase 230/400 V)
PV input: up to ~18,000 W; MPPT 200–650 V
MPPT: multi-tracker family; up to 6 strings
Efficiency: max ~97.6% (Euro ~97%); MPPT >99%
Battery: 40–60 V LiFePO₄ / lead-acid; CAN/RS485 BMS

Charge/Discharge: up to 240 A
Modes: On-grid, Off-grid, UPS, Export/Zero-Export, TOU
Parallel: up to 10 units; 100% unbalanced output (per phase)
Protection: reverse polarity, OVP/UVP/OCP, short-circuit, thermal; arc-fault (optional)
Enclosure: IP65; −40 °C to +60 °C; ≤55 dB

Summary table

Type	3-Phase Hybrid Inverter
Max PV Power	~18 kW input, 12 kW output
Battery Compat.	40–60 V LiFePO₄ / lead-acid; BMS adaptive
Efficiency	≈97.6% (Euro ≈97%); MPPT >99%
Operating Modes	On-grid, Off-grid, UPS, TOU scheduling, Zero-export
Monitoring	RS485/RS232/CAN; optional Wi-Fi/4G/LAN/Bluetooth
Parallel	Up to 10 units; unbalanced 3-phase supported
Warranty	5 years standard; extensions available

FAQ

Will it keep my essential loads on during a brownout?

Yes. In UPS/off-grid mode with a battery (and optional generator), it powers critical loads even when the grid is down.

Does it support zero export to the grid?

Yes. With the CT/smart meter installed and configured, you can set zero-export to grid or load per local utility requirements.

Can I expand later?

Yes. Up to 10 inverters can be paralleled as your power needs grow.

Do I need a battery?

It can run with limited hybrid functions without a battery, but a LiFePO₄ battery unlocks full performance and UPS capability.

Next step: Read our hands-on review or explore Hybrid Inverters, Solar Batteries, Solar Panels, Installation Services.

SUN 12K-SG04LP3-EU

Deye SUN-12K-SG04LP3-EU (3-Phase Hybrid Inverter)

Why it stands out for the Philippines

Technical highlights

Summary table

FAQ

References

Key Features

Specifications

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