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Deye GB-S12K-EU ALL-IN-ONE Hybrid storage system 20 kWh

Description

Product information

The Deye GB-S12K-EU ALL-IN-ONE hybrid storage system with 20 kWh storage capacity is a powerful complete solution for modern energy systems in private and commercial applications. It combines a three-phase hybrid inverter, high-voltage lithium storage and intelligent energy management in one compact system. Whether for new photovoltaic systems or for retrofitting existing systems, the GB-S12K-EU ensures a safe, efficient and independent energy supply.

Highlights at a glance

  • All-in-one solution for a space-saving and elegant installation
  • 20 kWh usable storage capacity for high independence and security of supply
  • Maximum PV input power of 26,000 watts for large solar systems
  • Two MPPT trackers for optimum yield maximisation with different module orientations
  • USupports grid-connected and off-grid operation as well as the integration of a diesel generator

Efficient energy conversion for modern requirements

The Deye GB-S12K-EU hybrid storage system with 20 kWh achieves a maximum efficiency of 97.6 per cent and an MPPT efficiency of 99.9 per cent. It has a maximum PV input power of 26,000 watts and a maximum DC input voltage of 1,000 volts. The wide MPPT voltage range of 150 to 850 volts ensures maximum energy yield even in fluctuating weather conditions.

Flexibility and scalability

The system offers high flexibility thanks to the ability to operate up to ten devices in parallel. Thanks to AC coupling, it can be easily integrated into existing solar systems, allowing older systems to be brought up to the latest state of the art. Lithium-ion batteries with a voltage range of 160 to 700 volts are supported. This means that the system can be optimally adapted to different requirements and project sizes.

Reliability and protection

The Deye GB-S12K-EU system has comprehensive protective functions, including overcurrent, overvoltage, short-circuit and thermal protection as well as DC insulation monitoring. It is protected against dust and water in accordance with protection class IP65 and is suitable for use in harsh environmental conditions. The system operates reliably in a temperature range of minus 40 to plus 60 degrees Celsius, with automatic power reduction at temperatures above 45 degrees Celsius to ensure the service life of the components.

Who is the Deye GB-S12K-EU ALL-IN-ONE Hybrid Storage System 20 kWh suitable for?

This storage system is ideal for

  • Homeowners with high energy requirements who want to increase their self-consumption rate
  • Commercial enterprises that require a reliable, scalable and secure power supply
  • Operators of existing PV systems who want to expand their systems with a high-performance storage solution
  • Projects in regions with fluctuating grid quality, where a diesel generator offers additional security

 
ModelDEYE GB-S12K-EU-20
Battery input data
Battery typeLi-lon
Battery voltage range (V)160~700
Max. Charging current (A)37
Max. Discharge current (A)37
Number of battery inputs1
Charging strategy for Li-ion batterySelf-adaptation to BMS
Input data of the PV string
Max. DC input power (W)15600
Rated PV input voltage (V)600
Starting voltage (V)150
MPPT voltage range (V)150-850
Max. DC input voltage (V)1000
PV input current (A)26+20
Max. PV short-circuit current (A)39+30
Number of MPPT2
Strings per MPPT2+1
AC output data
AC rated power and UPS power (W)12000
Max. AC output power (W)13200
Rated AC output current (A)18.2/17.4
Maximum rated AC output current (A)20/19.2
Max. Continuous AC throughput (A)25
Peak power (without mains)1.5 times the rated power, 10 S
Output power factor0.8 leading to 0.8 trailing
Output frequency and voltage50/60Hz; 3L/N/PE 220/380, 230/400Vac
Mains typeThree-phase
Total harmonic distortion (THD)< 3% ( rated power )
Direct current supply<0,5% ln
Efficiency
Max. Efficiency97,60%
Euro efficiency97.00%
MPPT efficiency99,90%
Protection
Fuses

DC polarity reverse connection protection, AC output overcurrent protection, thermal protection, AC output

Overvoltage protection, AC output short-circuit protection, DC component monitoring, overvoltage load drop protection,

Earth fault current monitoring, arc fault current interrupter (optional), grid monitoring,

Islanding protection monitoring, earth fault detection, DC input switch, DC isolation switch

Impedance monitoring, reverse current detection (RCD), overvoltage protection level

Overvoltage categoryDC Type II/AC Type III
Certifications and standards
Mains approvals

CEI 0-21, VDE-AR-N 4105, NRS 097, IEC 62116, IEC 61727, G99, G98, VDE 0126-1-1, RD 1699, C10-11

Safety EMC / StandardIEC/EN 61000-6-1/2/3/4, IEC/EN 62109-1, IEC/EN 62109-2
General data
Operating temperature range (℃)-40~60°C, >45° C power reduction
CoolingIntelligent cooling
Noise (dB)<55 dB
Communication with BMSRS485; CAN; RS232
Weight (kg)35,2
Size (mm)

422B×699.3H×279T

Degree of protectionIP65
Installation styleWall bracket
Guarantee10 years
 
ModelDEYGBLM4.0
Battery typeLiFePO4
Module capacity (kWh)4.09
Nominal module voltage (V)102.4
Module capacity (Ah)40
Battery module number InSeries (optional)2-6
Nominal system voltage (V)204.8-614.4
System operating voltage (V)179.2~691.2
Charging/discharging current (A) - Recommendation20
Charge/discharge current (A) - nominal value40
Charge/discharge current (A) - Peak discharge (2 min,25°C)50
Operating temperature (°C)Charge: 0 ~ 55 / Discharge: -20 ~ 60
LCD displaySOC%, Power, Total Voltage
Communication connectionCAN2.0, RS485
Humidity5% ~ 85=%
Altitude≤2000m
IP protection class of the housingIP65
Storage temperature (°C)0 ~ 35
Installation locationFloor mounting
Recommended emptying depth90%
Cycle life25 ± 2°C, 0.5C/0.5C, EOL70% ≥ 6000
Guarantee10 years
CertificationsCE/IEC62619 /VDE2510-50/ UL1973/UL9540A/UN38.3
 

FAQs on the 20 kWh Deye ALL-IN-ONE hybrid storage system

Which battery types does the system support?

The system is compatible with lithium-ion batteries in the voltage range from 160 to 700 volts.

Which protective functions are integrated?

The inverter offers protection mechanisms such as DC reverse polarity protection, AC output overcurrent protection, thermal protection, AC output overvoltage protection, AC output short-circuit protection, DC component monitoring, optional arc fault circuit breaker, islanding protection, DC switch, insulation impedance detection, residual current detection and class II overvoltage protection for DC and AC.

Is the inverter suitable for outdoor use?

Yes, with protection class IP65, the GB-S12K-EU-20 is protected against dust and splash water and is therefore suitable for outdoor use.

Which communication interfaces are available?

The inverter offers interfaces such as RS485, CAN and options for WLAN, GPRS, Bluetooth, 4G and LAN for monitoring and control.

Can the system supply unbalanced loads?

Yes, the system can supply unbalanced loads up to 100 per cent per phase, whereby each phase can supply up to 60 per cent of the rated power.



 

Scope of delivery Deye GB-S12K-EU ALL-IN-ONE Hybrid storage system (20.45 kWh):

 

System composition

  • This product is a set and consists of the inverter unit and the separate battery modules.

1 x Deye GB-S12K-EU Inverter unit

  • The main unit as a floor-standing cabinet unit. It contains the 3-phase 12 kW hybrid inverter and the empty slots for the battery modules.

5 x Deye GB-L-BATT high-voltage battery modules (4.09 kWh each)

  • Five separate battery modules that are inserted into the inverter unit on site and connected to maximise the total capacity of 20.45 kWh to reach.

1 x smart meter / current sensor

  • A smart meter with current transformers for measuring household consumption.

1 x WLAN data logger

  • A module for integrating the system into the home WLAN for monitoring and control.

1 x mounting accessories

  • Usually includes screws, dowels (for the tilt protection) and internal mounting material for the battery modules.

1 x operating and installation instructions

  • A printed manual describing the assembly and commissioning of the complete system.

Important note on the connection cables

The following are required for the installation AC connection cable (to the house grid) and DC solar cable (from the PV modules) are generally not included.

Properties

Capacity: 20.45kWh
Tension: High voltage

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