WELION LITHIUM BATTERY 200A 51.2V – ECO

Welion Eco 51.2V 200Ah Lithium Battery (10240Wh)

The Welion Eco 51.2V 200Ah Lithium Battery is a high-voltage, high-capacity LiFePO₄ energy storage solution designed for advanced residential, commercial, and industrial power systems. With a powerful energy capacity of 10.24kWh, this battery delivers long backup time, high efficiency, and exceptional reliability for demanding applications.

Built using lithium iron phosphate (LiFePO₄) technology, the Welion Eco series ensures superior safety, thermal stability, and long operational life. Combined with an intelligent Battery Management System (BMS) and a robust steel enclosure, this battery is ideal for solar energy storage, UPS systems, telecom infrastructure, and large-scale backup power solutions.

Key Features & Benefits

• High Energy Capacity: 10.24kWh (51.2V / 200Ah) for extended backup and energy storage

• Long Cycle Life: Up to 6000 cycles at 80% Depth of Discharge (DoD)

• Advanced Built-in BMS: Full protection against over-charge, over-discharge, over-current, short circuit, and temperature abnormalities

• High Discharge Capability:

  • Max continuous discharge current: 150A

  • Peak discharge current: 200A

• High Efficiency: >98% round-trip efficiency with less than 3% self-discharge per month

• Maintenance-Free Operation: No acid, no watering, no routine maintenance

• Smart Monitoring: Bluetooth/App monitoring for real-time battery status

• Scalable Design: Supports up to 16 batteries in parallel (series connection not allowed)

• Professional Design: Heavy-duty SPCC steel enclosure with LCD display

Technical Specifications

• Battery Chemistry: LiFePO₄ (Lithium Iron Phosphate)

• Nominal Voltage: 51.2V

• Nominal Capacity: 200Ah

• Energy Capacity: 10240Wh

• Voltage Window: 43.2V – 58.4V

• Recommended Charge Voltage: 57.6V

• Maximum Charge Voltage: 58.4V

• Recommended Discharge Voltage: 44.8V

• Cut-Off Voltage: 43.2V

• Recommended Charge Current: 50A

• Max Continuous Charge/Discharge Current: 150A

• Peak Discharge Current: 200A

• Dimensions (L × W × H): 808 × 300 × 610.6 mm

• Weight: 94 kg

• Operating Temperature:

  • Discharge: -20°C to 55°C

  • Charge: 0°C to 55°C

• Storage Temperature: -20°C to 45°C

• Communication Interface: RS485 (CAN optional)

• Display: LCD Screen

• Case Material: SPCC steel enclosure

Applications

The Welion Eco 51.2V 200Ah Lithium Battery is ideal for:

• Residential and commercial solar energy storage

• Hybrid and off-grid solar systems

• UPS and critical power backup systems

• Telecom and data center infrastructure

• Industrial and commercial energy storage projects

Why Choose Welion Eco?

Welion Eco lithium batteries are engineered to meet international safety and performance standards while delivering high efficiency, long service life, and scalable system design. The 51.2V architecture makes this model especially suitable for modern inverter systems and large-capacity solar installations.