Rolls Surrette S48-100LFP ESS 48VDC 100Ah Lithium Battery

Rolls Surrette Battery S48-100LFP ESS

The Rolls Surrette S48-100LFP ESS delivers 48V 100Ah of UL1973-certified lithium storage in a standard 4U rack-mountable frame. Equipped with a custom smart BMS, external breaker, and on-module digital status screen, this battery supports parallel scaling up to 16 units with comprehensive CAN BUS and RS485 inverter communication. Installers can pair the module with an optional modular cabinet featuring top-mount wiring and integrated combiner boxes for streamlined multi-battery setups.

Safety

• Cylindrical LiFePO4 cells [4Ah, 26700] (UL 1642)(UL 1973*)
• IEC62133 (cell), IEC62619(cell), UN38.3 (cell/pack)
• ROHS (cell), CE system certification, IP54 Rating

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

Technical Specifications:

• Weight: 50.5 kg (111.30 lbs)
• Length: 555 mm (21.8")
• Width: 442 mm (17.4")
• Height Including Terminals: 173 mm (6.8")
• Handles: Built-in
• Internal BMS Model: 16S75A
• Expected Cycle Life: >6000 @ 80% DOD, >3000 @ 100% DOD
• Series Connection: 1
• Parallel Connection: 16
• Connectivity: 2x RS-485, 1 x CAN bus
• Compatible Inverters, Communication Types and Protocols: See Operating Manual