The SAKO LI‑SUN Lithium Battery Pack 51.2V200Ah is a powerful and scalable energy storage solution designed for advanced solar systems, hybrid inverters, and reliable backup power applications. Built with LiFePO4 (Lithium Iron Phosphate) technology, this battery delivers exceptional safety, long lifespan, and consistent performance for residential and commercial energy storage.

With a high capacity of 200Ah and a nominal voltage of 51.2V, this model provides a total energy storage of 10.24kWh, making it ideal for larger energy demands and extended backup time. The integrated intelligent Battery Management System (BMS) ensures full protection against overcharge, over-discharge, short circuit, over-current, and temperature fluctuations, maintaining stable and safe operation at all times.

The battery operates within a voltage range of 44.8V to 58.4V, with an optimized charging voltage of 57.6V and float voltage of 56.0V, ensuring high charging efficiency and compatibility with most modern inverters. It supports a maximum continuous discharge current of 100A and a peak discharge current of up to 150A, allowing it to handle demanding loads smoothly.

Designed for flexibility and expansion, this battery supports parallel connection of up to 15 units, enabling users to build large-scale energy storage systems as needed. It also features RS485 and CAN communication protocols, ensuring seamless integration with leading inverter brands.

The system offers over 6000 charge cycles at 90% depth of discharge (DOD), providing a long operational lifespan of over 10 years under proper usage conditions. With an operating temperature range of -10°C to +50°C and a robust structure, it is suitable for various environments and installation conditions.

The SAKO LI-SUN 51.2V200Ah supports both wall-mounted and floor-standing installation, making it a versatile solution for solar energy storage, off-grid systems, and uninterrupted power supply applications.

Key Specifications (51.2V200Ah)

• Battery Type: LiFePO4 (Lithium Iron Phosphate)

• Nominal Voltage: 51.2V

• Capacity: 200Ah

• Total Energy: 10.24kWh

• Usable Energy (90% DOD): 9.21kWh

• Voltage Range: 44.8V – 58.4V

• Charge Voltage: 57.6V

• Float Voltage: 56.0V

• Low Voltage Cut-off: 46.8V

• Max Continuous Discharge Current: 100A

• Peak Discharge Current: 150A (1 sec)

• Max Charge Current: 100A

• Cycle Life: 6000+ cycles

• Communication: RS485 / CAN

• Parallel Capability: Up to 15 units

• Operating Temperature: -10°C to +50°C

• Installation: Wall-mounted / Floor-standing

• Protection Features: Overcharge, Over-discharge, Overcurrent, Short circuit, Temperature protection