The SU-MAK Solar 51.2V 400Ah LiFePO₄ Battery is a high-capacity, A-grade lithium energy storage solution engineered for residential, commercial, and industrial solar and backup power applications. With a total energy capacity of 20.48 kWh, this battery delivers reliable, long-lasting, and safe power storage, making it ideal for hybrid solar systems, off-grid installations, and critical backup requirements.

Built using Lithium Iron Phosphate (LiFePO₄) chemistry, the battery ensures enhanced thermal stability, superior safety, and an extended lifecycle compared to conventional lead-acid and other lithium technologies. Integrated with an intelligent Battery Management System (BMS), it provides comprehensive protection, real-time monitoring, and seamless compatibility with leading inverter brands.

This battery aligns perfectly with Su-mak Solar’s commitment to quality, reliability, and sustainable energy solutions, offering users lower operating costs, high efficiency, and peace of mind over long-term usage

Key Features

1. High Energy Density & Long Cycle Life: With 20,480Wh of energy and a cycle life of 6,000 cycles at 80% Depth of Discharge (DOD), it provides exceptional longevity and value.

2. Advanced Safety with BMS: The built-in Battery Management System provides comprehensive protection, including:

   • Over-Current Protection: Multi-stage protection for both charging (205A/210A) and discharging (205A/250A).

   • Over/Under Voltage Protection: Protects against over-voltage (58.4V) and under-voltage (43.2V).

   • Temperature Protection: Monitors PCB temperature with a cutoff at ≥85°C.

3. High Efficiency: Boasts a round-trip efficiency of over 98%, minimizing energy loss during charge and discharge cycles.

4. Wide Operating Temperature Range: Can be discharged in temperatures as low as -20°C, making it suitable for various climates.

5. Scalability: Supports parallel connection of up to 16 units for large-scale energy storage needs.

6. Smart Features: Includes Bluetooth connectivity for monitoring via a mobile app and offers optional extras like an LCD screen and low-temperature heating function.

7. Versatile Communication: Standard RS485 communication port, with options for CAN or Dry Port for easy integration into various systems.

8. Maintenance-Free & Robust Construction: The SPCC steel case and plug-in terminals ensure durability and ease of use.

9. Eco-Friendly & Maintenance-Free

   • No toxic lead or acid
   • Zero maintenance, silent operation

Primary Applications

• Solar and Renewable Energy Storage Systems

• Electric Vehicles (Golf Carts, Floor Machines, Forklifts, Aerial Lifts, Robotics)

• Marine, RV, and Truck No-Idle Systems

• Mobility and Medical Equipment

• Telecom, Broadband, and Cable TV Backup Power

• Uninterruptible Power Supply (UPS) Systems