Designed for residential and light commercial energy storage applications across the United States and North American market, this UL-certified high-voltage battery storage system provides flexible capacity configurations from 20.48kWh to 61.44kWh.
Built with LiFePO₄ battery technology and a modular 5.12kWh architecture, the system supports solar energy storage, home backup power, grid-connected applications and distributed energy projects. Its IP55 floor-standing enclosure is designed for indoor and outdoor installation, making it suitable for a wide range of North American residential and small commercial sites.
The system is certified to UL1973, UL9540 and UL9540A and features intelligent BMS protection, CAN/TCP/IP communication, a 6,500-cycle design and a 10-year warranty.
Available configurations range from approximately 20kWh to 60kWh, giving U.S. installers, solar contractors, EPCs and energy solution providers greater flexibility when matching battery capacity to project loads and backup requirements.
Up To 10-15 Years Warranty
Certifications
7x24hrs Technical Support
| Model | Nominal Capacity | Nominal Voltage | Working Voltage Range | Cell Matching | Weight |
|---|---|---|---|---|---|
| BESS-R20K-R | 20.48kWh | 204.8V | 179.2–230.4V | 64S1P | 444.8kg |
| BESS-R25K-R | 25.60kWh | 256V | 224–288V | 80S1P | 486.8kg |
| BESS-R30K-R | 30.72kWh | 307.2V | 268.8–345.6V | 96S1P | 528.8kg |
| BESS-R35K-R | 35.84kWh | 358.4V | 313.6–403.2V | 112S1P | 570.8kg |
| BESS-R40K-R | 40.96kWh | 409.6V | 358.4–460.8V | 128S1P | 612.8kg |
| BESS-R45K-R | 46.08kWh | 460.8V | 403.2–518.4V | 144S1P | 654.8kg |
| BESS-R50K-R | 51.20kWh | 512V | 448–576V | 160S1P | 696.8kg |
| BESS-R55K-R | 56.32kWh | 563.2V | 492.8–633.6V | 176S1P | 738.8kg |
| BESS-R60K-R | 61.44kWh | 614.4V | 537.6–691.2V | 192S1P | 780.8kg |
Designed for residential and light commercial energy storage applications across the United States and North American market, this UL-certified high-voltage battery storage system provides flexible capacity configurations from 20.48kWh to 61.44kWh.
Built with LiFePO₄ battery technology and a modular 5.12kWh architecture, the system supports solar energy storage, home backup power, grid-connected applications and distributed energy projects. Its IP55 floor-standing enclosure is designed for indoor and outdoor installation, making it suitable for a wide range of North American residential and small commercial sites.
The system is certified to UL1973, UL9540 and UL9540A and features intelligent BMS protection, CAN/TCP/IP communication, a 6,500-cycle design and a 10-year warranty.
Available configurations range from approximately 20kWh to 60kWh, giving U.S. installers, solar contractors, EPCs and energy solution providers greater flexibility when matching battery capacity to project loads and backup requirements.
Multiple high-voltage configurations are available, including 20.48kWh, 25.60kWh, 30.72kWh, 35.84kWh, 40.96kWh, 46.08kWh, 51.20kWh, 56.32kWh, and 61.44kWh, allowing installers to match battery capacity to different project requirements.
The system supports up to 32 battery units in parallel, providing significant flexibility for capacity expansion. This scalable architecture allows a project to start with the storage capacity required today while providing a practical path for future expansion.
The battery system is certified to UL1973, UL9540, and UL9540A, supporting energy storage applications targeting the U.S. and broader North American market.
Built around 5.12kWh LiFePO₄ battery modules, the system combines high-voltage operation with lithium iron phosphate chemistry for stationary energy storage applications.
Designed for long-term energy storage operation, the battery system provides a specified cycle life of 6,500 cycles, helping support years of regular charging and discharging.
The floor-standing enclosure is rated IP55, allowing installation in a wider range of residential and commercial environments.
An integrated BMS provides protection against overcharge, over-discharge, overcurrent, and abnormal high or low temperatures while monitoring battery operation.
A 10-year product warranty supports long-term residential and commercial energy storage projects.
Energy storage requirements vary considerably from one property to another. A residential solar installation may require approximately 20kWh of storage for backup and self-consumption, while a larger home or small commercial property may require 40kWh, 50kWh, 60kWh, or more.
This high-voltage battery platform addresses these differences through a modular architecture rather than a single fixed-capacity configuration.
Each battery module provides 5.12kWh, with complete system configurations ranging from 20.48kWh to 61.44kWh. This gives solar installers, contractors, and energy solution providers greater flexibility when designing storage around actual load profiles and backup requirements.
Scalability is one of the key advantages of this platform.
Up to 32 units can be connected in parallel, allowing storage capacity to be expanded as project requirements grow. Instead of replacing the original battery system when greater capacity is required, compatible projects can be designed around a scalable battery architecture.
This makes the system suitable not only for larger residential installations but also for light commercial and distributed energy storage projects requiring greater flexibility.
The battery can be integrated into an energy storage architecture incorporating PV, PCS/inverter, utility grid, smart meter, distribution equipment, backup loads, and on-grid loads.
Depending on the complete system design and compatible PCS/inverter configuration, the battery can be deployed for:
For North American solar installers and project developers, this provides a flexible battery platform that can be adapted to different site requirements rather than limiting projects to a single storage capacity.
The system uses LiFePO₄ (LFP) battery chemistry and operates on a high-voltage architecture.
Depending on the selected capacity, nominal system voltage ranges from 204.8V to 614.4V, while the nominal working current is 100A. Peak charge/discharge current reaches 125A at the specified operating condition.
CAN and TCP/IP communication interfaces support communication and integration with compatible energy management and power conversion equipment.
An intelligent BMS continuously manages critical battery operating conditions and provides protection against:
Combined with LiFePO₄ chemistry and the system’s UL certifications, these protection features make the platform suitable for energy storage projects where long-term safety and operational reliability are key considerations.
The battery is housed in a floor-standing IP55 enclosure measuring 735 × 1125 × 2220 mm.
Its modular 19-inch embedded battery design helps simplify installation and maintenance, while the IP55 enclosure supports deployment in suitable indoor and outdoor locations.
The specified operating temperature range is:
Charging: 0°C to 55°C
Discharging: -20°C to 60°C
This operating range provides flexibility for energy storage installations across different North American climates.
From a 20kWh residential solar battery system to larger 40kWh, 50kWh, and 60kWh storage configurations, this platform gives installers and project developers a common high-voltage battery architecture across multiple project sizes.
With UL1973, UL9540, and UL9540A certification, up to 32-unit parallel expansion, LiFePO₄ technology, IP55 protection, 6,500-cycle life, and a 10-year warranty, the system provides a scalable energy storage option for U.S. and North American residential and light commercial applications.
Yes. This high-voltage battery storage system is designed for residential and light commercial energy storage applications in the United States and North American market. It carries UL1973, UL9540, and UL9540A certifications and is suitable for solar storage, backup power, renewable energy integration, and other distributed energy applications.
The system is available in nine configurations:
20.48kWh, 25.60kWh, 30.72kWh, 35.84kWh, 40.96kWh, 46.08kWh, 51.20kWh, 56.32kWh, and 61.44kWh.
This allows installers and project developers to select a battery configuration based on the site’s energy consumption, load requirements, and required backup duration.
Yes. The battery platform supports up to 32 units in parallel, providing substantial flexibility for future capacity expansion.
This feature is particularly useful for projects where energy storage requirements may increase over time, allowing installers to build around a scalable battery architecture rather than a single fixed-capacity system.
The system uses LiFePO₄ (LFP) battery chemistry, which is widely used in stationary energy storage applications.
Each high-voltage battery module provides 5.12kWh of energy, with multiple modules combined to create system capacities ranging from 20.48kWh to 61.44kWh.
The system is listed with UL1973, UL9540, and UL9540A certifications in the product documentation, supporting its positioning for the North American energy storage market.
Yes. The battery cabinet has an IP55 protection rating and is designed for floor-standing indoor and outdoor installation.
The specified operating temperature range is 0°C to 55°C during charging and -20°C to 60°C during discharging.
Yes. The battery is designed for renewable energy integration and can form part of a solar-plus-storage system.
The system architecture can incorporate PV, compatible PCS/inverter equipment, smart meters, grid connections, distribution equipment, backup loads, and on-grid loads.
The product documentation includes emergency power backup among its intended applications and shows an architecture with separate backup and on-grid loads.
Actual backup operation will depend on the complete system configuration, including the compatible PCS/inverter and electrical design.
It can be used for both residential energy storage and commercial/industrial energy management.
Its 20.48–61.44kWh capacity range makes it particularly suitable for larger residential storage, whole-home backup, and light commercial energy storage projects.
The battery system supports CAN and TCP/IP communication, enabling communication with compatible power conversion and energy management equipment.
The specified battery cycle life is 6,500 cycles.
Actual service life can vary according to operating conditions, temperature, charge/discharge behavior, system configuration, and other project-specific factors.
The battery system comes with a 10-year warranty, supporting long-term residential and commercial energy storage deployment.
The nominal working current is 100A, with a specified peak charge/discharge current of 125A at 25°C for 5 seconds.
This high-voltage battery storage platform is suitable for solar installers, EPC contractors, energy solution providers, residential energy projects, and light commercial applications requiring UL-certified and expandable battery storage.
Its combination of multiple capacity options and support for up to 32 parallel units gives project designers greater flexibility when planning both initial storage capacity and future expansion.
Share your project requirements with GSL ENERGY. Our team supports residential, commercial and industrial energy storage projects across the United States and Canada.
