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EU Stock & Free Shipping & Tax Free Seplos 3.0 DIY 48V LiFePO4 Battery Pack Kit Stack Model with Built-in BMS with Active Balancer

EU Stock & Free Shipping & Tax Free Seplos 3.0 DIY 48V LiFePO4 Battery Pack Kit Stack Model with Built-in BMS with Active Balancer

$577.50 USD
$577.50 USD
Sale Sold out
Style (With battery please contact us)

Shipping From Poland

SEPLOS MASON-280(3.0) 51.2V 280Ah Energy Storage Battery Pack

—— High-Safety, Smart-Managed, and Scalable Energy Storage Solution ——

Product Overview

Designed for DIY and Professional Use


  • Core Compatibility: Works with EVE/SEPLOS 3.2V 280Ah LiFePO₄ prismatic cells.
  • Structure: 8 cells in series per module, 2 modules in series + BMS = 1 pack.
  • Safety Features:
    ▶ Fireproof and insulated plastic cell holders.
    ▶ BMS with over-charge/discharge, over-current, and temperature protection.

Technical Specifications

Parameter MASON-280(3.0)
Nominal Voltage 51.2V
Capacity 280Ah (0.5C discharge, 25±2℃)
Energy 14.3kWh
Dimensions (L×W×H) 750×440×251mm
Weight 112±5kg
Charge Voltage 57.6V
Continuous Current 140A (recommended)
Max Current 200A
Working Temp 0–50℃ (charge); -10–50℃ (discharge)
Communication CAN/RS485 (Modbus compatible)
IP Rating IP20 (indoor use)


1. Advanced BMS Management

  • Functions:
    ▶ Real-time monitoring of voltage, current, temperature, and SOC.
    ▶ Active cell balancing to ensure ≥99% consistency.
    ▶ Over 500 fault records and remote firmware updates.
  • Software: SEPLOS BATTERYMONITOR (USB-RS485 adapter required, download link).

2. Flexible Parallel Expansion

  • Scalability: Up to 16 packs in parallel (total 229kWh).
  • DIP Switch Configuration:
    ▶ Switches #1-4: Pack identification (RS485).
    ▶ Switches #5-8: Master-slave setup (CAN bus).

3. Inverter Compatibility

Application Scenarios

  • Residential: Off-grid solar systems, backup power for homes.
  • Commercial: Small-to-medium businesses, data centers, cold storage.
  • Industrial: Microgrids, renewable energy storage farms.

Package Contents

    Note: For custom configurations or technical support, contact SEPLOS Technology at info@seplos.com or +86 13286686628.

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    In Stock！Ship From Poland warehouse(5-7days delivery)! Support self pickup!

    High quality guarantee

    We have a mature production team and our products have undergone strict industry testing to ensure that you can use high-quality products. In addition, we provide a 10-year warranty and after-sales service.