60kWh Wall-Mounted Battery System with OutBack Power Inverter in the USA

In 2024, GSL ENERGY successfully deployed a 60kWh wall-mounted lithium battery system for a residential & small commercial client in the United States. The solution utilizes six 10kWh 51.2V LiFePO4 battery units connected in parallel and fully integrated with an OutBack Power hybrid inverter.
This project showcases the flexibility, safety, and certified quality of GSL’s wall-mounted battery series, which is now widely adopted in the U.S. for both on-grid and off-grid applications.

Total Capacity: 60kWh Battery(6 × 10kWh wall-mounted units)
Battery Type: GSL ENERGY 51.2V 200Ah LiFePO4
Installation Style: Wall-mounted, indoor setup
Inverter: Fully compatible with OutBack Power hybrid inverter
Use Case: Solar self-consumption + backup power for residential/commercial
Battery Parallel Capability: Up to 16 units, expandable to 160kWh

The GSL-051200A-B-GBP2 battery has successfully passed multiple international safety and performance certifications, including UL9540A, UL9540, UL1973, and CEC, ensuring high standards of reliability, fire safety, and grid compatibility.
UL9540A: Fire safety test for thermal runaway prevention
UL9540: Energy storage system certification (battery + inverter integration)
UL1973: Safety standard for stationary energy storage batteries
CEC Listed: California Energy Commission approved for high-efficiency rebate programs
Cycle Life: >6,500–8,500 cycles at 90% DOD
Chemistry: Stable and long-life LiFePO4 (LFP)

Certified & Grid-Compliant: Full U.S.-certified battery series ensures code compliance for inspectors and utility programs.
OutBack Inverter Compatibility: Seamless communication and control integration without the need for third-party devices.
Modular & Scalable: The system architecture allows future expansion without redesigning the power infrastructure.
Fast Shipping & Localized Support: U.S.-focused logistics and prompt technical assistance throughout commissioning.

“We needed a scalable battery solution that’s UL-certified and compatible with our existing OutBack inverter. GSL ENERGY delivered exactly what we needed, with smooth integration and excellent support. The certification portfolio made permitting a breeze.”
— U.S. EPC Partner, California