At Seplos, we specialize in delivering cutting-edge energy storage solutions designed to meet the growing demand for reliable, scalable, and efficient solar power systems. Our 48V 280Ah Home Battery Storage System – MASON-280L-3.0 is engineered to empower businesses and partners seeking high-performance, commercial-grade lithium batteries for large-scale deployments. With a focus on durability, safety, and seamless integration, this LiFePo4 energy storage system is tailored to elevate your offerings in the renewable energy market.
Quick Answer
The Seplos MASON-280L-3.0 is a 14.3kWh LiFePO4 Energy Storage System based on 51.2V battery technology. It uses Grade A LiFePO4 cells, 10A active balancing, and CAN/RS485 communication to support reliable solar storage applications for residential and commercial projects.

High-Performance LiFePo4 Technology
The heart of our MASON-280L-3.0 LiFePo4 energy storage system lies in its automotive-grade LiFePo4 prismatic cells, arranged in a 1P16S configuration to deliver 14.33kWh of energy at 51.2V. These Grade A cells ensure exceptional thermal stability, safety, and longevity—critical for residential and commercial energy storage applications. With a cycle life exceeding 6,000 cycles at 80% depth of discharge (DoD), our batteries are built to provide decades of reliable service, reducing replacement costs and enhancing ROI for end-users.
Advanced Active Balancing for Optimal Performance
Unlike standard passive balancing, our 10A active balance technology maintains cell consistency, safeguards against overcharging or deep discharging, and maximizes SOC (State of Charge) accuracy. This innovation ensures balanced performance across all 16 cells, prolonging battery life and maintaining peak efficiency even under high-demand conditions. For partners, this translates to fewer warranty claims and higher customer satisfaction.
Scalability and Seamless Integration
Designed with flexibility in mind, our system supports parallel connections of up to 32 units, enabling scalable energy storage 14.3kWh. The integrated CAN/RS485 communication protocols ensure compatibility with leading inverters from brands like Pylontech, Victron, SMA, and Deye. Whether your clients need off-grid resilience or grid-tied optimization, our batteries adapt effortlessly, making them a versatile addition to your product portfolio.
Built for Durability and Easy Deployment
We prioritize ruggedness without compromising usability. The MASON-280L-3.0 system features a heavy-duty caster wheel base for effortless mobility and an IP20 rating for indoor protection. Its compact dimensions (412*267*817mm) and LCD display simplify installation and monitoring. With a wide operating temperature range (-20°C to 40°C during discharge), our batteries perform reliably in diverse climates—a key advantage for global partnerships.
Streamlined Supply Chain for Bulk Orders
As a trusted manufacturer, we guarantee a 10,000-unit monthly production capacity and a swift 15–20-day lead time. Our minimum order requirement of just 1 unit allows flexibility for testing and small-scale deployments, while bulk orders unlock highly competitive pricing. We’re committed to supporting your growth with consistent quality, transparent communication, and scalable logistics.
FAQ
What is a 14.3kWh LiFePO4 Energy Storage System?
A 14.3kWh LiFePO4 Energy Storage System is a battery storage solution designed to store solar energy and provide reliable power for residential, commercial, and off-grid applications.
How much energy does the Seplos MASON-280L-3.0 store?
The Seplos MASON-280L-3.0 provides approximately 14.33kWh energy capacity at 51.2V using LiFePO4 battery technology.
What type of cells does this energy storage system use?
The system uses automotive-grade LiFePO4 prismatic cells designed for safety, thermal stability, and long cycle performance.
Can this LiFePO4 energy storage system work with solar inverters?
Yes. The system supports CAN/RS485 communication and can integrate with many inverter brands, including Deye, Victron, SMA, and Pylontech.
Is the Seplos battery suitable for commercial projects?
Yes. With parallel expansion capability and reliable LiFePO4 technology, it is suitable for residential, commercial, and renewable energy storage projects.
Conclusion
By choosing Seplos, you align your business with a leader in LiFePo4 innovation. Our LiFePo4 battery for solar MASON-280L-3.0 combines technical excellence with commercial viability, enabling you to meet rising demand for sustainable energy storage. Let’s collaborate to deliver solutions that empower your clients and drive the renewable energy transition.
If you are looking for a dependable LiFePO4 energy storage system supplier for residential or commercial projects, contact Seplos today for technical support, pricing, and partnership opportunities.




