| 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 |
The GSL-W-20K is a cutting-edge solar energy storage battery designed to meet dynamic energy needs with its innovative wheel-based portability. Built with LiFePO4 technology, this 20.48 kWh energy storage system ensures long-lasting safety, reliable performance, and modular scalability—ideal for residential, commercial, and off-grid applications. Whether used as part of a solar storage system or as a backup power solution, it offers easy deployment and expandability to match growing energy demands. With a 10-year warranty and compatibility with most hybrid inverters, the GSL-W-20K is the perfect choice for flexible, long-term energy independence.
GSL ENERGY, a vertically integrated leader in lithium iron phosphate (LiFePO4) battery systems, provides customized energy storage solutions (ESS) to global markets. With a presence in over 138 countries and more than 100,000 users, GSL ENERGY has earned recognition for its expertise in cell production, Battery Management Systems (BMS), and system design, ensuring both quality and innovation across their product offerings.
Modular Scalability:
The GSL-W-20K is designed for expansion. Each 20.48 kWh module can be connected in parallel with up to 15 units, delivering a total capacity of 300 kWh. This modular design is ideal for a variety of uses, whether for residential energy storage or commercial/industrial applications, allowing users to scale up their storage capacity incrementally as their energy demands grow.
Longevity & Safety:
Built with LiFePO4 chemistry, the GSL-W-20K offers thermal stability and enhanced safety—addressing common concerns in traditional battery technologies. With a cycle life of 8,500 cycles at 80% depth of discharge (DoD), the battery provides over 15 years of service life, assuming one cycle per day. This longevity guarantees cost-effectiveness and reliability for years to come.
Intelligent Management:
Each GSL-W-20K unit is equipped with an independent Battery Management System (BMS) that optimizes power output, monitors battery health, and improves efficiency, ensuring long-term performance and extending the battery’s lifespan.
Ease of Use:
The plug-and-play installation feature makes setup quick and cost-efficient. Its compact and aesthetic design allows it to seamlessly integrate into home environments or commercial spaces, providing the perfect balance between functionality and style.
Broad Compatibility:
The GSL-W-20K is compatible with most hybrid inverters, ensuring versatility and ease of integration into existing solar setups. This feature makes it an excellent choice for both new installations and upgrades to existing energy systems.
Certifications:
The GSL-W-20K complies with key international safety and quality standards, including CB IEC62619, CE, UN38.3, and MSDS, offering users peace of mind regarding performance and regulatory compliance.
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