ROCKSOLAR GSL 20kWh-61.44kWh High Voltage LiFePO4 Battery System
ROCKSOLAR GSL 20kWh-61.44kWh High Voltage LiFePO4 Battery System
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Description
Description
Powerful Commercial & Residential Energy Storage Solution
The ROCKSOLAR GSL-R series is a premium high-voltage lithium iron phosphate (LiFePO4) battery system engineered for large residential, commercial, and industrial energy storage applications. With an impressive 20kWh-61.44kWh capacity, intelligent battery management, and scalable architecture, the GSL-R Series delivers reliable backup power, energy independence, and seamless renewable energy integration.
Designed for solar ESS applications, this modular battery cabinet supports high-voltage operation from 204.8V- 614.4V and provides exceptional cycle life, safety, and long-term performance.
Key Features
-
Massive 20-61.44kWh Capacity
Ideal for whole-home backup, commercial ESS, and off-grid energy storage systems. -
Advanced LiFePO4 Technology
Safe, stable, and long-lasting lithium iron phosphate chemistry. -
6500+ Cycle Life
Engineered for long-term daily operation with minimal degradation. -
Expandable System Design
Supports up to 32 units in parallel for large-scale energy storage deployments. -
Intelligent BMS Protection
Integrated Battery Management System protects against:- Overcharge
- Over-discharge
- Overcurrent
- High and low temperatures
-
High Voltage Architecture
Delivers improved efficiency and compatibility with modern hybrid inverters and PCS systems. -
Floor-Standing Modular Cabinet
Easy installation and maintenance with standard embedded module design. -
10-Year Warranty
Reliable long-term energy storage investment. -
Certifications
- UL1973
- UL9540
- UL9540A
Applications
- Residential Energy Storage
- Commercial & Industrial ESS
- Solar Energy Storage Systems
- Emergency Backup Power
- Off-Grid Power Solutions
- Renewable Energy Integration
Shipping & Rerturns
Shipping & Rerturns
- 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.
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Talk to Our Solar Experts
Have questions about this system? Our solar specialists are here to help you choose the right setup for your needs. Whether you need sizing guidance, installation support, or bulk pricing, we're ready to assist.

