Rolls Surrette S48-55LFP 48VDC 55Ah Lithium Battery

Rolls Surrette Battery S48-55LFP

The Rolls Surrette S-Series 48V LFP battery provides high-density 48V (51.2V nominal) energy storage for off-grid and backup power systems. Equipped with an integrated digital control screen, real-time SOC monitoring, and an accessible external circuit breaker, it delivers immediate status visibility and hardware protection. Built for flexible scaling, it supports CAN BUS and RS485 closed-loop inverter communication and allows simple parallel expansion for large battery banks.

Safety

• Cylindrical LiFePO4 cells (UL1642)
• IEC62133 (cell), IEC62619(cell), UN38.3 (cell/pack)
• ROHS (cell), CE system certification, IP65 Rating

Battery Management System (BMS)

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

Technical Specifications:

• Weight: 21 kg (46.3 lbs)
• Length: 502 mm (19.76")
• Width: 185 mm (7.28")
• Height: 236 mm (9.29")
• Height Including Terminals: 236 mm (9.29")
• Container: ABS
• Cover: ABS
• Handles: Rope / Plastic Handle
• Internal BMS Model: 16S80ATX-V2
• Expected Cycle Life: >6000 @ 80% DOD, >3000 @ 100% DOD
• Series Connection: 1 Unit Max
• Parallel Connection: 6 Units Max
• Connectivity: 1S6P