sales@gsl-energy.com 
0086 13923720280
20kWh 51.2V 400Ah Rolling LiFePO4 Battery | Factory Wholesale Manufacturer for Home & Commercial Energy Storage
GSL-W-A20K Rolling LiFePO4 Battery
Product Description
GSL ENERGY, a leading LiFePO4 battery manufacturer and factory in China, presents the 20kWh 51.2V 100Ah Rolling Lithium Battery, designed for home and small commercial energy storage systems.
With its modular and movable design, this battery provides flexibility for various applications. Each unit can be paralleled up to 16 units, reaching a total capacity of 320kWh, ideal for residential, telecom, and light industrial projects.
Product Specifications
Find the energy storage system product you need.
| Battery Specifications | ||||||||
| Model No | GSL-W-A20K | |||||||
| Nominal Parameters | ||||||||
| Battery Chemistry | LiFePO4 Battery | |||||||
| Voltage | 51.2V | |||||||
| Capacity | 400Ah | |||||||
| Energy | 20.48Kwh | |||||||
| Dimension (W/H/D) | 550*982*280mm / 21.6*38.6*11.0 in | |||||||
| Weight Approximate | 192kgs / 521 lbs | |||||||
| Basic Parameters | ||||||||
| Designed Life | 5 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 | 200A | |||||||
| Max. Discharging Current | 200A | |||||||
| Max Power | 10240W | |||||||
WHY CHOOSE US?
Product Characteristics
GSL ENERGY offers wholesale supply, OEM/ODM customization, and factory-direct prices, ensuring global distributors, system integrators, and EPC contractors get reliable, cost-effective energy storage solutions.
Certified with CB IEC62619, CE, UN38.3, and MSDS, it guarantees world-class safety and performance.
Long Life & High Safety
Equipped with high-quality LiFePO₄ cells ensuring exceptional safety and stability.
Delivers over 6500 life cycles at 80% depth of discharge (DoD).
Built under strict factory quality control from GSL ENERGY’s 15,000m² automated plant.
Intelligent Battery Management System (BMS):
Built-in independent smart BMS monitors and manages performance in real time.
Provides protection against overcharging, over-discharging, and short circuits.
Modular & Expandable Design:
Flexible modular structure for capacity expansion up to 320kWh (16 units in parallel).
Perfect for residential, telecom, and small business ESS projects.
Easy Installation & Mobile Design:
Plug-and-play system reduces installation cost and time.
Built-in wheels for easy transport and flexible deployment.
Compact and modern design blends seamlessly into any environment.
Strong Compatibility:
Compatible with most hybrid inverter brands on the market (Deye, Growatt, Sol-Ark, LuxPower, etc.).
Supports flexible system integration for both on-grid and off-grid solar systems.
The GSL ENERGY 20kWh Rolling LiFePO4 Battery combines mobility, scalability, and intelligence in one compact system.
As a professional manufacturer and factory wholesaler, GSL ENERGY provides OEM/ODM customization and global distribution support, helping partners build sustainable and profitable energy solutions worldwide.
Email: sales@gsl-energy.com
Tel: +86 755 84515360
Address: A602, Tianan Cyber Park, Huangge North Road, Longgang District, Shenzhen, China0086 13923720280