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20.48kWh 51.2V 400Ah LiFePO₄ Battery with Wheels
The GSL-W-20K is a high-capacity 20.48 kWh wall-mounted lithium iron phosphate (LiFePO₄) battery designed for users who demand reliable energy storage with a long lifespan, intelligent management, and flexible expansion capabilities.
Long Lifespan & Safety First
Built with top-grade LiFePO₄ cells and equipped with an advanced BMS (Battery Management System), each unit ensures over 6500 life cycles and the highest safety standards.
Intelligent Energy Management
Each battery is equipped with an independent BMS to manage charging, discharging smartly, and system protection for optimized performance and safety.
Modular & Scalable Design
Easily scalable for larger energy needs – connect up to 15 units in parallel for a total capacity of up to 307.2 kWh.
Plug-and-Play Installation
Save time and reduce labor costs with a simple plug-and-play setup. Perfect for residential or commercial energy storage applications.
Compact & Stylish Design
Sleek and space-efficient casing blends seamlessly into any modern home or commercial interior.
Hybrid Inverter Compatibility
Fully compatible with most leading hybrid inverters on the market, offering seamless integration into your solar system.
| Battery Specifications | ||||||
| Model No | GSL-W-20K | |||||
| Nominal Parameters | ||||||
| Battery Chemistry | LiFePO4 | |||||
| Voltage | 51.2V | |||||
| Capacity | 400Ah | |||||
| Energy | 20.48Kwh | |||||
| Dimension (W/H/D) | 650*1005*400mm / 25.9*39.6*15.7 in | |||||
| Weight Approximate | 210.5kgs / 464 lbs | |||||
| Basic Parameters | ||||||
| Warranty Period [3] | 10 years | |||||
| Cycle Life (25±2℃,0.5C/0.5C,80%EOL) | ≥6500 | |||||
| Storage Time / Temperature | 5 months @ 25°C; 3 months @ 35°C; 1 month @ 45°C | |||||
| Operation Temperature | -20°C to 60°C @ 60+/-25% Relative Humidity | |||||
| Storage Temperature | 0°C to 45°C @ 60+/-25% Relative Humidity | |||||
| Certification | CB IEC62619, CE, UN38.3, MSDS | |||||
| IP Rating of Enclosur | IP20 | |||||
| Electrical Parameters Operation Voltage | 46-56Vdc | |||||
| Max. Charging Voltage | 56Vdc | |||||
| Max. Charging Current | 150A | |||||
| Max. Discharging Current | 150A | |||||
| Max Power | 7680W | |||||
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| MODEL NO | GSL-W-15K | GSL-W-20K | |
| Battery Chemistry | LiFePO4 | ||
Capacity (Ah) | 300 | 400 | |
| Scalability | Max.15pcs in parallel (230kWh) | Max.15pcs in parallel (300kWh) | |
Nominal Voltage (V) | 51.2 | ||
| Operating Voltage(V) | 46-56 | ||
Energy (kWh) | 15.36 | 20.48 | |
Recomend Discharge Energy (80% DOD) (kWh) | 13.82 | 18.43 | |
Charge/Discharge Current (A) | Recommend | 150 | 150 |
Max. | 150 | 150 | |
| Peak(2mins,25'℃) | 200 | 200 | |
| Other Parameter | |||
| Recommend Depth of Discharge | 80% | ||
| Dimension (W/H/D,mm) | 650*1005*400mm | ||
Weight Approximate (kg) | 160.50 | 210.50 | |
| Master LED Indicator | 4 LED (SOC:25%~100%) | ||
| 2 LED (working, alarming, protecting) | |||
IP Rating of Enclosur | IP20 | ||
| Working Temperature | Charge:0℃～60℃ Discharge:-20℃～60℃ | ||
Storage Temperature | 0℃～35℃ | ||
| Humidity | 5%~95% | ||
| Altitude | ≤2000m | ||
| Cycle Life (25±2℃,0.5C/0.5C,80%EOL) | ≥6500 | ||
| Installation | Ground | ||
| Communication Port | CAN2.0, RS485 | ||
| Warranty Period [3] | 10 years | ||
| Certification | CB-IEC62619, CE-EMC, MSDS, UN38.3 | ||
Please Contact Us！
We will serve you the best products with the favorite prices
Email: sales@gsl-energy.com
Service Tel: +86-755-84515360
Address: A602, Tianan Cyber Park, Huangge North Road, Longgang District, Shenzhen, China0086 13923720280