Description
The Deye GB-SL line is a big solar battery bank solution designed for residential and commercial renewable energy storage.
As a leader in new energy technology, Deye’s big solar battery bank leverages state-of-the-art innovations to provide a complete energy storage system.
With capacities ranging from 5kWh to 20kWh, the GB-SL big solar battery bank offers robust energy storage to enable self-consumption of solar power, while supporting seamless integration with the grid. The high-voltage Li-ion battery architecture ensures safe, reliable and efficient storage of energy from solar panels and the grid. Integrated battery management ensures optimal performance and long lifetime by actively balancing and monitoring individual battery cells.
As an all-in-one big solar battery bank, the GB-SL combines the battery system, hybrid inverter, and cluster controller into a single streamlined product. This integrated approach reduces overall system complexity while still providing flexible configurations to suit new or existing solar PV systems. The high-voltage platform improves system efficiency by minimizing power conversion losses. Multiple units can be paralleled for capacity up to 200kWh, delivering a modular and scalable big solar battery bank.
An innovative cooling system with temperature monitoring of critical components enables this big solar battery bank to operate in harsh environmental conditions up to 60°C. For extremely cold climates, an optional heating function ensures uninterrupted performance down to -20°C. This makes Deye’s GB-SL an ideal big solar battery bank for year-round operation.
With a sleek, modern design concealing smart features and advanced technology, the GB-SL big solar battery bank blends seamlessly into residential and commercial environments. Intuitive monitoring and control options give users insight into system performance, even allowing integration with home automation platforms.
As a leading brand providing state-of-the-art big solar battery banks, Deye enables homes and businesses to unlock the full potential of solar energy. The high-performance GB-SL line is designed specifically to store and manage renewable energy, delivering grid independence alongside environmental and economic benefits.
Technical Data
| Model | GB-S5K-EU | GB-S6K-EU | GB-S8K-EU | GB-S10K-EU | GB-S12K-EU | GB-S15K-EU | GB-S20K-EU | |
| Battery Input Data | ||||||||
| Battery Type | LI-ION | |||||||
| Battery Voltage Range (V) | 160~700 | |||||||
| Max. Charging Current (A) | 30 | 37 | ||||||
| Max. Discharging Current (A) | 30 | 37 | ||||||
| Number of battery input | 1 | |||||||
| Charging Strategy for Li-Ion Battery | Self-adaption to BMS | |||||||
| PV String Input Data | ||||||||
| Max. DC Input Power (W) | 6500 | 7800 | 10400 | 13000 | 15600 | 19500 | 26000 | |
| Max. DC Input Voltage (V) | 1000 | |||||||
| Start-up Voltage (V) | 150 | |||||||
| MPPT Range (V) | 150-850 | |||||||
| Full Load DC Voltage Range (V) | 195-850 | 195-850 | 260-850 | 325-850 | 340-850 | 420-850 | 500-850 | |
| Rated DC Input Voltage (V) | 600 | |||||||
| PV Input Current (A) | 20+20 | 26+20 | 26+26 | |||||
| Max. PV ISC (A) | 30+30 | 39+30 | 39+39 | |||||
| No.of MPP Trackers | 2 | |||||||
| No.of Strings per MPP Tracker | 1+1 | 2+1 | 2+2 | |||||
| AC Output Data | ||||||||
| Rated AC Output and UPS Power (W) | 5000 | 6000 | 8000 | 10000 | 12000 | 15000 | 20000 | |
| Max. AC Output Power (W) | 5500 | 6600 | 8800 | 11000 | 13200 | 16500 | 22000 | |
| AC Output Rated Current (A) | 7.6/7.3 | 9.1/8.7 | 12.2/11.6 | 15.2/14.5 | 18.2/17.4 | 22.8/21.8 | 30.4/29 | |
| Max.AC Output (Off-gird) Current(A) | 8.4/8 | 10/9.6 | 13.4/12.8 | 16.7/16 | 20/19.2 | 25/24 | 33.4/31.9 | |
| Max. Three-phase Unbalanced Output Current(A) | 13 | 13 | 18 | 22 | 25 | 30 | 35 | |
| Max. Continuous AC Pass through (A) | 40 | 80 | ||||||
| Peak Power (off grid) | 1.5 time of rated power, 10 S | |||||||
| Generator input/Smart load/AC couple current (A) | 7.6/40/7.6 | 9.1 / 40 / 9.1 | 12.2 / 40 / 12.2 | 15.2 / 40 / 15.2 | 18.2 / 80 / 18.2 | 22.8 / 80 / 22.8 | 30.4 / 80 / 30.4 | |
| Power Factor | 0.8 leading to 0.8 lagging | |||||||
| Output Frequency and Voltage | 50/60Hz; 3L/N/PE 220/380, 230/400Vac | |||||||
| Grid Type | Three Phase | |||||||
| DC injection current (mA) | <0.5%ln | |||||||
| Efficiency | ||||||||
| Max. Efficiency | 97.6% | |||||||
| Euro Efficiency | 97% | |||||||
| MPPT Efficiency | 99.9% | |||||||
| Protection | ||||||||
| Integrated | PV Input Lightning Protection, Anti-islanding Protection, PV String Input Reverse Polarity Protection, Insulation Resistor Detection, Residual Current Monitoring Unit, Output Over Current Protection, Output Shorted Protection, Surge protection, Arc Fault Circuit Interruption (AFCI optional） | |||||||
| Output Over Voltage Protection | DC Type II / AC Type III | |||||||
| Certifications and Standards | CEI 0-21, VDE-AR-N 4105, NRS 097, IEC 62116, IEC 61727, G99, G98 | |||||||
| Grid Regulation | VDE 0126-1-1, RD 1699, C10-11 | |||||||
| Safety EMC / Standard | IEC/EN 61000-6-1/2/3/4, IEC/EN 62109-1, IEC/EN 62109-2 | |||||||
| General Data | ||||||||
| Operating Temperature Range (℃) | 40~60℃, >45℃ derating | |||||||
| Cooling | Free cooling | Smart cooling | ||||||
| Communication with BMS | CAN | |||||||
| Warranty | 5 years | |||||||
| Model | GB-LM4.0 | |||||
| Battery System Data | ||||||
| Cell Chemistry | LiFePO4 | |||||
| Module Energy (kWh) | 4.09 | |||||
| Module Nominal Voltage (V) | 102.4 | |||||
| Module Capacity (Ah) | 40 | |||||
| Battery Module Qty in series.(Optional) | 2 | 3 | 4 | 5 | 6 | |
| System Nominal Voltage (V) | 204.8 | 307.2 | 409.6 | 512 | 614.4 | |
| System Operating Voltage (V) | 179.2~691.2 | |||||
| System Energy (kWh) | 8.18 | 12.27 | 16.36 | 20.45 | 24.54 | |
| System Usable Energy (kWh)1 | 7.36 | 11.04 | 14.72 | 18.4 | 22.08 | |
| Charge / Discharge Current(A)2 | recommend | 20 | ||||
| max | 40 | |||||
| peak | 50@2min | |||||
| Working Temperature(℃) | Charge：-20~55/Discharge:-20~60 | |||||
| Communication Port | CAN2.0/RS485 | |||||
| Thermal Management | Natural Cooling | |||||
| Recommend Depth of Discharge | 90% | |||||
| Cycle Life | 25±2℃, 0.5C/0.5C, 70%EOL≥6000 | |||||
| Warranty3 | 10 years | |||||
| Certification | CE / IEC 62619 / VDE 2510-50 / UN38.3 | |||||
| Other Data | ||||||
| Humidity | 5~85%RH | |||||
| Altitude (m) | ≤2000 | |||||
| IP Rating of Enclosure | IP65 | |||||
| Noise (dB) | <55 | |||||
| Storage Temperature (℃) | 0~35 | |||||
| Dimension (W/D/H,mm) | 540*385*1100 | 540*385*1320 | 540*385*1540 | 540*385*1760 | 540*385*1980 | |
| Weight Approximate (kg) | 137 | 176 | 215 | 254 | 293 | |
| Installation Location | Floor Mount | |||||
[1] DC Usable Energy, test conditions: 90% DOD, 0.2C charge & discharge at 25°C. System usable energy may vary due to system configuration parameters.
[2] The current is affected by temperature and SOC.
[3] The warranty is due whichever reached first of warranty period or life cycle power.
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