sales@gsl-energy.com 
0086 13923720280
GSL Energy Solar Battery Backup for Home | Scalable Home Battery Storage up to 189kWh
The advanced solar battery backup system is designed to provide reliable and scalable energy storage solutions for residential and small commercial applications. With a modular architecture, it delivers flexible capacity expansion, stable backup power, and long-term energy independence.
Each unit provides 10.49kWh of energy storage and supports up to 18 units connected in parallel, allowing the system to expand to a total capacity of approximately 189kWh.
Whether integrated with a solar PV system or used as a standalone home battery backup solution, it helps optimize renewable energy utilization, reduce grid dependence, and ensure reliable power availability during outages.
Reliable Solar Battery Backup for Home Energy Security
As energy costs rise and grid reliability becomes uncertain, a dependable house battery backup system is essential.
The GSL051200A-B-GBP2 provides a stable and efficient solar battery backup, ensuring an uninterrupted power supply for homes and small businesses. It stores excess solar energy and delivers it when needed—during nighttime or grid outages.
Product Specifications
Find the energy storage system product you need.
| Item | Details |
|---|---|
| Model | GSL051200A-B-GBP2 |
| Battery Chemistry | LiFePO4 |
| Nominal Voltage | 51.2V |
| Operating Voltage | 46-56V |
| Capacity | 205Ah |
| Energy | 10.49kWh |
| Usable Energy | 9.44kWh |
| Recommended Charge/Discharge Continuous Current | 100A |
| Max. Charge/Discharge Continuous Current | 150A |
| Recommended Depth of Discharge | 90% |
| Cycle Life | ≥6500 |
| Scalability | Max.18pcs in parallel (184.32kWh) |
| Dimension (W/H/D) | 450*640*235mm |
| Weight Approximate | 89.5kg |
| IP Rating | IP20 |
| Working Temperature | Charge: 0℃~55℃; Discharge: -20℃~55℃ |
| Storage Temperature | 0℃~35℃ |
| Humidity | 5%~95% |
| Altitude | ≤4000m |
| Installation | Floor standing, Rack-mounted, Stackable, Wall-mounted |
| Communication Port | CAN, RS485, BLE, WIFI |
| LED Indicator | 4LED (SOC:25%~100%); 2LED (working, alarming, protecting) |
| Warranty Period | 10 years |
| Certification | CB-IEC62619, CE-EMC, UN38.3, MSDS |
WHY CHOOSE GSL?
As a leading vertically integrated manufacturer of lithium iron phosphate battery systems, GSL ENERGY provides reliable and scalable energy storage solutions for residential, commercial, and industrial applications worldwide. With self-developed core technologies in battery cells, BMS, and system integration, GSL ENERGY has delivered advanced ESS solutions across 138+ countries, supporting more than 100,000 users globally.
Advanced Safety for Home Solar Battery
The system is built with multiple safety protections for residential use, including LiFePO4 chemistry for high thermal stability, an integrated fire protection design, and an intelligent BMS with multi-layer safety control. This ensures stable and secure daily operation.
Smart Monitoring & Plug-and-Play Operation
The battery supports real-time monitoring through a touchscreen display, WiFi connectivity, and CAN/RS485 communication. In multi-unit setups, all batteries automatically synchronize SOC and capacity data for consistent system visibility. The plug-and-play design with automatic parallel connection (up to 15 units) eliminates DIP switch configuration and simplifies installation.
Flexible Installation & Global Adaptability
Designed for different residential environments, the system supports wall-mounted, floor-standing, rack-mounted, and stackable installation options. It operates reliably under a wide temperature range from -20°C to 55°C (discharge) and 0°C to 55°C (charge), making it suitable for global deployment scenarios.
Why Choose GSL ENERGY for Home Battery Storage?
- 15+ Years Manufacturing Expertise:Strong R&D and production capability focused on advanced energy storage systems.
- Global Project Experience:Successfully deployed projects across the USA, Southeast Asia, Africa, and other international markets.
- Certified Quality Standards:Products comply with CE, UN38.3, MSDS and other international safety certifications.
- Flexible OEM / ODM / OBM Services:Full customization support for different market and branding requirements.
- Trusted Global Partnership:Widely recognized by installers, EPC contractors, and distributors worldwide for reliability and performance.
FAQ – Home Battery Storage & Solar Backup
Email: sales@gsl-energy.com
Tel: +86 755 84515360
Address: A602, Tianan Cyber Park, Huangge North Road, Longgang District, Shenzhen, China0086 13923720280