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S48-100LFP ESS

Series S-Series LFP ESS Warranty See Warranty Terms
Volts 48 BCI 19" Rack Std.
Terminal Type M6
Charge Voltage Range 56.0 - 58.4V
Recommended End of Discharge Voltage 48.0 V
End of Discharge Protection Voltage 41.6 V
Recommended Charge Voltage 57.6 V
Recommended Charge Current
0~10°C (32-50°F) 0.2C 20A
10~35°C (50~95°F) 0.5C 50A
35~50°C (95~122°F) 0.2C 20A
Charge Mode:

Charge at recommend voltage & current by temperature until charge current drops to ≤ 0.05C (CC,CV)


Max Continuous Charge Current 50 A
Max Continuous Discharge Current 63 A
Surge Current Limit 500 A (300ms)
Charge Temperature Range 0°C~55°C (32~131°F)
Discharge Temperature Range -20°~60°C (-4~140°F)
Storage Temperature Range -5°~45°C (23~113°F)
Nominal Capacity 100 AH
Total Energy 5.12 kWh
Nominal Voltage 51.2 V


  • Cylindrical LiFePO4 cells [ITR26-70/40E 4Ah, 26700] (UL1642)(UL1973*)
  • IEC62133 (cell), IEC62619(cell), UN38.3 (cell/pack)
  • ROHS (cell), CE system certification, IP54 Rating

*Additional certifications may be required for systems larger than 20kWh


  • 19″ 4U rack-compatible
  • Up to 16 parallel connectivity
  • Integrated screen & controls
  • State-of-charge (SOC) indication
  • CAN bus & RS-485 connectivity
  • External breaker access
  • Separate BMS breaker
  • PC Connectivity
  • Optional Rolls ESS modular cabinet (shown)
    • Install up to 8 x S48-100LFP ESS units per cabinet

Battery Management System (BMS)

  • Integrated hardware BMS inside
  • Independent charge & discharge protection, secondary protection
  • Short-Circuit Protection, Over-Voltage Protection, Low-Voltage Protection, Over-Current Protection, Low-Temperature Protection, Over-Temperature Protection

48V LFP Profile

Weight 50.5 kg 111.30 lbs
Length 55.5 cm 21.8"
Width 44.2 cm 17.4"
Height Inc. Term. 17.3 cm 6.8"
Product measurements & weights are calculated based on sample data. Individual specifications are subject to vary due to the manufacturing process & battery components.
Handles Built-in
Internal BMS Model 16S75A
Expected Cycle Life >6000 @ 80% DOD, >3000 @ 100% DOD
Series Connection 1
Parallel Connection 16

2x RS-485, 1 x CAN bus

See Operating Manual for compatible inverters, communication types and protocols

Detailed Illustration

Rev.#2 | February 2024