Highlights
- Battery Type / Chemistry\t:Lithium Iron Phosphate (LiFePO4)
- Nominal Voltage:51.2 V
- Nominal Capacity:400 Ah
- Energy:20,480 Wh
- Terminal Type:Plug-in
- Terminal Torque:8.5 Nm
- Case Material:SPCC
- Voltage Window:43.2 V - 58.4 V
- Recommended Charge Voltage:57.6 V
- Maximum Charge Voltage:58.4 V
- Recommended Charge Current:50 A
- Max Continuous Current (Charge/Discharge)\t:200 A
- Peak Discharge Current (10 sec):250 A
- Round Trip Efficiency:> 98%
- Self Discharge per Month:< 3%
- Cycle Life (0.2C, 25°C, 80% DOD):6,000 Cycles
- Discharge Temperature:-20°C to 55°C
- Charge Temperature:0°C to 55°C
- Storage Temperature:-20°C to 45°C
- Max Units in Parallel:16
- Max Units in Series:Not Allowed
- BMS:Built-in
- Bluetooth (App):Yes
- LCD Screen:Yes
- Communication Port:RS485 (CAN/Dry Port Optional)
Key Features
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.
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.
High Efficiency: Boasts a round-trip efficiency of over 98%, minimizing energy loss during charge and discharge cycles.
Wide Operating Temperature Range: Can be discharged in temperatures as low as -20°C, making it suitable for various climates.
Scalability: Supports parallel connection of up to 16 units for large-scale energy storage needs.
Smart Features: Includes Bluetooth connectivity for monitoring via a mobile app and offers optional extras like an LCD screen and low-temperature heating function.
Versatile Communication: Standard RS485 communication port, with options for CAN or Dry Port for easy integration into various systems.
Maintenance-Free & Robust Construction: The SPCC steel case and plug-in terminals ensure durability and ease of use.
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
SUMAK LiFePO4 BATTERY 51.2V 400AH (20.48KW)
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
