SUNSYNK-G5.1 Battery (5.12kWh)

The SUNSYNK-G5.1 battery is a high-performance 5.12kWh lithium iron phosphate (LiFePO₄) battery, designed for residential and small commercial energy storage systems.

It provides scalable flexibility, enabling expansion from a single unit to as many as 32 units in parallel to keep up with increasing energy demands..

The G5.1 integrates effortlessly with Sunsynk hybrid inverters and energy management systems. The SUNSYNK-G5.1 provides reliable, high-efficiency storage for backup power during outages or for maximising solar self-consumption.

Key Specifications

  • Nominal Capacity: 100Ah

  • Total Energy: 5.12kWh

  • Usable Energy: 4.61kWh (90% DOD)

  • Nominal Voltage: 51.2V

  • Depth of Discharge (Recommended): 80%

  • Cycle Life: ≥6,000 cycles (at 90% DOD, 25°C, 0.5C rate, 70% EOL)

  • Dimensions: 440 × 600 × 133 mm

  • IP Rating: IP20

  • Scalability: Up to 32 units in parallel (163.8kWh total)

  • Integrated Protection: DC 125A circuit breaker

Product Benefits

  • A long cycle life with more than 6,000 cycles at 90% DoD retaining 70% capacity; this battery will last and deliver consistent performance over many years.

  • The SUNSYNK-G5.1 battery handles diverse power requirements with recommended, maximum, and peak current ratings ideal for daily loads and short surges such as appliance start-up.

  • Scalable up to 32 units for future energy needs, making it a long-term, adaptable investment for growing households or energy demands.

  • Integrated DC 125A circuit breaker protects against overcurrent, enhancing system safety and reliability.

The SUNSYNK-G5.1 battery provides reliable, high-efficiency storage for backup power during outages or for maximising solar self-consumption.

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