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Firefly Residential Energy Storage System

1. Excellent lithium iron phosphate battery cathode

2. Modular stacking and cable-free design

3. Self-developed hierarchical intelligent BMS

4. Easy installation and flexible expansion

5. Accessible to our independent cloud platform

6. Compatible with mainstream inverter manufacturer

  • Firefly Residential Energy Storage System DataSheet
Model Firefly-3.6K Firefly-7.2K Firefly-10.8K Firefly-14.4K
Battery module 3.6kWh/37kg/LiFePO4
Number of modules 1 2 3 4
Nominal capacity 3.6 kWh 7.2 kWh 10.8 kWh 14.4 kWh
Available capacity 3.24 kWh 6.48 kWh 9.72 kWh 12.96 kWh
Voltage 51.2 Vdc
Battery voltage range 41.6~58.4Vdc
Maximum continuous charge/discharge current 37.5A 75A
Battery charging / discharging efficiency >98%
Communications CAN/RS485/WI-FI
Operating temperature -10 - 45°C
Operating humidity 5 - 90%RH, without condensation
Protection grade IP54
Cooling mode Natural heat dissipation
Dimension (W*D*H±2mm) 430X430X279 mm 430X430X448 mm 430X430X617 mm 430X430X786 mm
Weight (±0.2kg) 49kg 86kg 123kg 160kg
Certification & safety standards TUV (IEC62619. IEC62040) / CB / RCM / CE / UN38.3 / RoHS
Parallel operation A maximum of 3 sets of parallel operation with the maximum electricity capacity of 43.2kWh and the maximum operating current of 75N3
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