GoodWe

GoodWe ESA 15kWh Battery Storage All-In-One System 12kW

SKU: 2994-005

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GoodWe ESA GW12K-ETA-G20 - 12 kW hybrid inverter, three-phase
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3x GoodWe ESA GW5.1-BAT-D-G20 - 15.36 kWh high-voltage storage, LiFePO4
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Mid-range configuration of the ESA series - 3 of up to 12 modules installed

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Delivery time: 10 - 13 Workdays

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GoodWe ESA 15kWh Battery Storage All-In-One System 12kW

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Description

GoodWe ESA 15kWh Battery Storage All-In-One System 12kW combines a three-phase 12 kW hybrid inverter and 15.36 kWh of usable storage in a pre-wired system. This lets you use your solar power even after sunset and gain a good degree of independence from the public grid.

Your Benefits at a Glance

High storage capacity: 15.36 kWh of rated energy stores plenty of solar power generated during the day for use in the evening and at night.
Backup power capable: The backup port switches to island mode in under 4 ms, keeping essential loads running.
Robust and durable: IP66 protection rating and LiFePO4 cells with a cycle life of ≥ 8000 cycles.
Expandable: The modular battery storage can be adapted to your growing needs with up to 12 battery modules.

The System in Detail

The Hybrid Inverter

The GoodWe ESA GW12K-ETA-G20 is a three-phase hybrid inverter with 12 kW rated power. It features 4 MPP trackers and a maximum PV input power of 24 kW, allowing you to flexibly design your photovoltaic system. Maximum efficiency is 98.1%. Comprehensive integrated protection features such as AFCI, DC switch, and surge protection ensure safe operation, while intelligent fan cooling ensures quiet operation.

The Battery Storage

Three GoodWe ESA GW5.1-BAT-D-G20 battery modules form the high-voltage storage with a total rated energy of 15.36 kWh (3 × 5.12 kWh) and 15.0 kWh of usable energy (3 × 5.0 kWh). The modules use safe LiFePO4 cell technology and are designed for a cycle life of ≥ 8000 cycles. An integrated heating element reliably maintains performance even at low temperatures, and an integrated aerosol fire suppression system increases safety. The modular design allows for later expansion to up to 12 modules.

SYSTEM OVERVIEW (Performance data of the complete system)
Inverter rated power (AC)	12 kW
Max. PV input power	24 kW
Total storage rated energy	15.36 kWh (3 × 5.12 kWh)
Total usable energy	15.0 kWh (3 × 5.0 kWh)
Grid connection	Three-phase (3L / N / PE)
Backup power / UPS	Yes, switching time < 4 ms (backup port)
Storage expandability	Up to 12 battery modules
INVERTER 1x GoodWe ESA GW12K-ETA-G20 (Hybrid inverter)
Rated power (AC)	12 kW
Max. apparent power to grid	12 kVA
Rated AC voltage	220 / 380, 230 / 400 V, 3L / N / PE
Max. PV input power	24 kW
Max. PV input voltage	1000 V
MPPT operating voltage range	120 – 950 V
Number of MPP trackers	4
Backup port rated apparent power	12 kVA
Grid / island mode switching time	< 4 ms
Max. efficiency	98.1%
European efficiency	97.2%
Communication	RS485, WiFi + LAN + Bluetooth, 4G + Bluetooth (optional)
Operating temperature range	-35 °C to +60 °C
Protection rating	IP66
Dimensions (W × H × D)	800 × 340 × 270 mm
Weight	34 kg
BATTERY MODULE 3x GoodWe ESA GW5.1-BAT-D-G20 (per module, unless otherwise stated)
Battery type	LFP (LiFePO4)
Rated energy per module	5.12 kWh
Usable energy per module	5.0 kWh
Operating voltage range (three-phase)	700 – 950 V
Max. output power (system)	5.0 kW
Peak output power (system)	7.5 kW @ 10 s
Cycle life	≥ 8000 cycles
Functional configuration	Heating (integrated); aerosol fire suppression (integrated)
Communication	CAN
Scalability	Up to 12 modules
Protection rating	IP66
Dimensions per module (W × H × D)	800 × 326 × 270 mm
Weight per module	57.5 kg (± 1 kg)