Powerful, Smart, and Eco‑Friendly Energy Storage

Discover the Bluesun 12.8V 280Ah LiFePO4 battery, a modern energy solution combining strength, safety, and efficiency. Utilizing advanced lithium‑iron‑phosphate (LiFePO4) technology, this battery delivers exceptional lifespan, minimal maintenance, and consistent high performance ideal for solar systems, backup power, off‑grid or mobile applications such as RVs and marine use.

Key Benefits That Make a Difference

Exceptional Longevity

With over 6000 cycles at 80% Depth of Discharge (DoD), this LiFePO4 battery lasts significantly longer than traditional lead-acid alternatives—reducing replacement costs and enhancing reliability over time.

High Discharge Capability

Built to support heavy drain applications, this battery delivers strong performance under demanding load conditions—perfect for powerful inverters and high-power devices.

Smart Protection with Integrated BMS

The built-in Battery Management System actively safeguards against overcharge, discharge, overheating, overcurrent, and short‑circuits, ensuring safe operation and extending battery life.

Eco‑Friendly and Maintenance‑Free

The non-toxic LiFePO4 chemistry offers high energy efficiency with no memory effect. Enjoy simple charging whenever convenient, without worrying about battery degradation.

Who is this battery for?

• Solar system users (on-grid or off-grid installations)

• RVs, campervans, boats, and mobile energy setups

• Homes and professional backup power configurations

• Industrial and community energy storage projects

• Anyone seeking durable, safe, and environmentally friendly energy storage

Technical Specifications

• Brand: Bluesun Solar

• Model: BSM1280LP

• Battery Type: LiFePO4 (Lithium Iron Phosphate)

• Nominal Voltage: 12.8V

• Capacity: 280Ah (~3.58 kWh)

• Cycle Life: 6000+ cycles at 80% DoD

• High discharge current support for demanding loads

• Integrated BMS for full system protection

• Operating Temperature: –20°C to +55°C

• Approximate Dimensions: 520 × 269 × 220 mm

• Weight: Approx. 28 kg 

• Certifications: CE, UN38.3, MSDS

• Warranty: 5 years

Installation & Accessories

This battery includes an aluminum busbar specifically designed for series connection of 280Ah EVE Grade A cells—providing easy and reliable setup. Ensure proper fusing and inverter compatibility for optimal performance.

Your Smart Investment in Sustainable Energy

The Bluesun 12.8V 280Ah LiFePO4 battery is the ultimate power solution for those demanding consistency and safety. With superior capacity, extended lifespan, smart protection, and eco-friendly chemistry, this battery is built to deliver reliable energy today and well into the future.