ROCKSOLAR GSL 20kWh–61.44kWh High Voltage LiFePO4 Battery System

The ROCKSOLAR GSL-R Series High Voltage LiFePO4 Battery System is a premium energy storage solution engineered for residential, commercial, and industrial applications requiring reliable, scalable, and long-lasting power storage. Designed to support solar energy systems, backup power installations, microgrids, and off-grid applications, the GSL-R Series delivers exceptional performance with capacities ranging from 20kWh to 61.44kWh.

Featuring advanced Lithium Iron Phosphate (LiFePO4) battery technology, intelligent battery management, and a modular cabinet design, this high-voltage battery system provides safe and efficient energy storage while supporting modern hybrid inverters and power conversion systems.

Whether you're building a whole-home backup solution, commercial energy storage system, or large-scale renewable energy project, the GSL-R Series offers the flexibility, safety, and reliability required for demanding applications.

High-Capacity Energy Storage for Demanding Applications

The GSL-R Series is designed to support substantial energy requirements with scalable storage capacities ranging from 20kWh to 61.44kWh.

This high-capacity architecture makes the system ideal for:

• Whole-home energy backup

• Commercial facilities

• Industrial operations

• Renewable energy projects

• Off-grid installations

• Microgrid applications

• Peak load management

• Energy independence solutions

The scalable design allows businesses and homeowners to match storage capacity to their current energy demands while maintaining flexibility for future growth.

Advanced LiFePO4 Battery Technology

At the core of the GSL-R Series is Lithium Iron Phosphate (LiFePO4) chemistry, one of the safest and most reliable battery technologies available for stationary energy storage.

Benefits include:

• Exceptional thermal stability

• Enhanced safety performance

• Long operational lifespan

• High charge and discharge efficiency

• Minimal maintenance requirements

• Consistent energy delivery

• Environmentally friendly chemistry

LiFePO4 technology is widely recognized for delivering dependable performance in residential, commercial, and industrial energy storage systems.

High Voltage Architecture for Maximum Efficiency

The GSL-R Series operates across a high-voltage range of 204.8V to 614.4V, providing improved system efficiency and compatibility with modern energy storage infrastructure.

Advantages of High Voltage Energy Storage

• Reduced current flow and energy loss

• Improved inverter efficiency

• Simplified system design

• Better scalability for large installations

• Enhanced performance in commercial applications

• Lower balance-of-system costs

The high-voltage architecture makes this battery system particularly well-suited for advanced solar energy storage and commercial ESS projects.

6500+ Cycle Life for Long-Term Performance

Designed for daily charge and discharge operation, the GSL-R Series provides more than 6,500 cycles while maintaining excellent performance over time.

This extended cycle life helps:

• Reduce replacement costs

• Improve return on investment

• Support daily energy arbitrage

• Maximize renewable energy utilization

• Deliver long-term system reliability

For residential and commercial users seeking a long-term energy storage investment, cycle life is one of the most important performance metrics—and the GSL-R Series delivers industry-leading durability.

Intelligent Battery Management System (BMS)

Every GSL-R battery system includes an advanced Battery Management System that continuously monitors and protects battery performance.

BMS Protection Features

• Overcharge protection

• Over-discharge protection

• Overcurrent protection

• High-temperature protection

• Low-temperature protection

• Voltage balancing

• System diagnostics and monitoring

The intelligent BMS helps maximize battery lifespan while ensuring safe and reliable operation under varying environmental conditions.

Modular and Expandable Design

Energy requirements often grow over time.

The modular architecture of the GSL-R Series allows easy expansion to support larger residential, commercial, and industrial installations.

Expansion Capabilities

• Supports up to 32 battery units in parallel

• Flexible capacity scaling

• Simplified maintenance

• Standardized module integration

• Suitable for future energy growth

This scalability allows system designers and installers to build customized energy storage solutions that evolve with changing energy demands.

Floor-Standing Cabinet Design

The GSL-R Series features a professionally engineered floor-standing cabinet structure that simplifies installation and maintenance.

Benefits include:

• Organized battery management

• Easy system access

• Professional appearance

• Reduced installation complexity

• Efficient space utilization

• Enhanced serviceability

The modular embedded design streamlines deployment across residential, commercial, and industrial projects.

Certified for Safety and Performance

The GSL-R Series is built to meet rigorous North American safety and performance standards.

Certifications

• UL1973

• UL9540

• UL9540A

These certifications demonstrate compliance with recognized energy storage safety requirements and support project approval for residential and commercial installations.

Ideal Applications

The ROCKSOLAR GSL-R High Voltage Battery System is suitable for a wide range of energy storage applications:

• Residential Energy Storage Systems

• Whole-Home Backup Power

• Commercial Energy Storage Systems (ESS)

• Industrial Energy Storage Projects

• Solar Battery Storage Systems

• Renewable Energy Integration

• Off-Grid Power Systems

• Microgrid Applications

• Demand Charge Reduction

• Emergency Backup Power

Its flexible architecture makes it suitable for both small and large-scale energy storage deployments.

Technical Specifications

Specification	Details
Capacity Range	20kWh – 61.44kWh
Battery Chemistry	LiFePO4 (Lithium Iron Phosphate)
Voltage Range	204.8V – 614.4V
Cycle Life	6500+ Cycles
Battery Management System	Integrated Smart BMS
Expansion Capability	Up to 32 Units in Parallel
Installation Type	Floor-Standing Modular Cabinet
Certifications	UL1973, UL9540, UL9540A
Applications	Residential, Commercial, Industrial ESS
Warranty	10 Years

Why Choose the ROCKSOLAR GSL-R High Voltage Battery System?

The ROCKSOLAR GSL-R Series combines high-voltage efficiency, premium LiFePO4 battery technology, intelligent battery management, and exceptional scalability into a powerful energy storage platform. Designed for residential, commercial, and industrial applications, this system provides dependable backup power, renewable energy integration, and long-term energy independence.

With capacities ranging from 20kWh to 61.44kWh, 6500+ cycle life, UL-certified safety standards, and support for large-scale expansion, the GSL-R Series is a future-ready energy storage solution built for today's evolving energy demands.

• Shipping: Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days depending on your location.
• Returns: You may return or exchange products within 30 days of receiving your order. Items must be in original condition with proof of purchase.
• If your item is defective or damaged due to manufacturing issues, we’ll gladly replace it at no additional cost.