off-Grid Grid-Connected Solar Backup Power Lithium Ion Rechargeable Solid-State Battery Low Maintenance Costs Energy Power Storage

Customization:	Available
Nominal Voltage:	51.2V
Nominal Capacity:	400ah

Basic Information

Model NO.W-20K

Cycle Life8500+

Cell ChemistryLiFePO4

Operating Voltage46-56V

Capacity400Ah

Energy20.48kWh

Weight210.5kgs

HS Code8507600090

Product Description

As a leading vertically integrated manufacturer of lithium iron phosphate battery systems, various battery solutions are provided for nearly all kinds of ESS applications. Thanks to self-developed core technology in cells, BMS, and system design, products have been delivered to more than 138 countries serving over 100,000 users worldwide.

Technical Specifications

Nominal Parameters
Model No	W-20K
Battery Chemistry	LiFePO4
Voltage	51.2V
Capacity	400Ah
Energy	20.48kWh
Dimension (W×H×D)	645×1007.8×398.6mm / 25.4×39.7×15.7 in
Basic Parameters
Warranty Period	10 years
Cycle Life	≥8500 (25±2°C, 0.5C/0.5C)
Operation Temperature	-20°C to 60°C
Certification	CB IEC62619, CE, UN38.3, MSDS
IP Rating	IP20
Electrical Parameters
Operation Voltage	46-56Vdc
Max. Charging Current	150A
Max. Discharging Current	150A
Max Power	7680W

Product Display

Company & Exhibition

Dedicated to emerging energy technology research and development, the company specializes in photovoltaic equipment, solar thermal utilization, and energy storage solutions. With a focus on high-efficiency energy-saving technologies, the business provides comprehensive services including technical consultation, new energy prime movers, and intelligent power distribution equipment. The mission is to contribute to global energy transformation through continuous innovation and high-quality energy products.

Packaging & Certifications

Frequently Asked Questions

Q: What is the expected lifespan of the W-20K battery? A: The battery features high-grade LiFePO4 chemistry providing a cycle life of over 8500 cycles at 80% EOL, ensuring long-term reliability for over 10 years.

Q: What safety certifications does this battery hold? A: Our battery systems are fully certified with CB IEC62619, CE, UN38.3, and MSDS, meeting international safety and transport standards.

Q: Can I use this battery for off-grid solar systems? A: Yes, it is specifically designed for various Energy Storage System (ESS) applications, including off-grid and grid-connected solar backup power.

Q: What is the storage temperature range? A: For optimal maintenance, it should be stored between 0°C to 45°C. For long-term storage, 25°C is recommended.

Q: Do you offer OEM services? A: Yes, as a factory-based manufacturer, we provide OEM services to meet specific branding and technical requirements.

Q: What is the standard packaging for international shipping? A: We use robust wooden cases to ensure the safety of the batteries during sea or air transport, complying with UN38.3 regulations.

Product Detail

off-Grid Grid-Connected Solar Backup Power Lithium Ion Rechargeable Solid-State Battery Low Maintenance Costs Energy Power Storage

Product Description

Basic Information

Product Description

Technical Specifications

Product Display

Company & Exhibition

Packaging & Certifications

Frequently Asked Questions

Related Products

Product Detail

off-Grid Grid-Connected Solar Backup Power Lithium Ion Rechargeable Solid-State Battery Low Maintenance Costs Energy Power Storage

Product Description

Basic Information

Product Description

Technical Specifications

Product Display

Company & Exhibition

Packaging & Certifications

Frequently Asked Questions

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