Rolls S48-100LFP ESS 48V 100Ah LiFePO4 Battery

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Rolls S48-100LFP ESS 48V 100Ah LiFePO₄ Battery Key benefits 48V 100Ah LiFePO₄ rack battery (5.12kWh) for residential and small commercial energy storage systems using a compact 19" 4U format. Scalable up to 16 batteries in parallel for larger ESS banks, with integrated BMS and standard CAN/RS‑485 communication. Long life lithium storage with >6000 cycles at 80% depth of discharge, designed as a low‑maintenance alternative to lead‑acid banks. Brief description The Rolls S48-100LFP ESS 48V 100Ah LiFePO₄ Battery is a 19" rack‑mount module from the S‑Series LFP ESS range, intended for use in modular energy storage systems. It combines 5.12kWh of storage, an integrated hardware BMS and multiple communication options, making it suitable for hybrid inverters in residential, light commercial and telecoms applications. Up to 16 units can be installed in parallel, including within optional Rolls ESS cabinets, to build larger battery banks as project requirements grow. Key features 48V, 100Ah LiFePO₄ module with 5.12kWh energy in a 19" 4U rack‑compatible chassis. Integrated screen and controls with state‑of‑charge indication for quick status checks on site. CAN bus and dual RS‑485 ports for communication with compatible inverters and external monitoring systems. Built‑in hardware BMS with primary and secondary protection against over/under‑voltage, over‑current, temperature and short‑circuit faults. IP54‑rated enclosure with built‑in handles, suitable for indoor plant rooms and protected technical spaces. Technical specifications Series information Battery type LIFEPO4 LITHIUM BATTERY S48-100LFP ESS Series S-SERIES LFP ESS Warranty See Warranty Terms Volts 48 Design 19" Rack Std. Terminal Type M6 Charge / Discharge 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 Recommended Charge Current 10~35°C (50~95°F) 0.5C 50A Recommended Charge Current 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 Discharge Temperature Range -20°~60°C Storage Temperature Range -5°~45°C Capacity Nominal Capacity 100 AH Total Energy 5.12 kWh Nominal Voltage 51.2 V Safety Cell type Cylindrical LiFePO4 cells [4Ah, 26700] (UL 1642)(UL 1973*) Standards IEC62133 (cell), IEC62619(cell), UN38.3 (cell/pack) Certifications ROHS (cell), CE system certification, IP54 Rating Certification note *Additional certifications may be required for systems larger than 20kWh Design Form factor 19″ 4U rack-compatible Parallel connectivity Up to 16 parallel connectivity Controls and indication Integrated screen & controls; State-of-charge (SOC) indication Communication CAN bus & RS-485 connectivity Protection access External breaker access; Separate BMS breaker PC connectivity PC Connectivity Cabinet option Optional Rolls LFP ESS Cabinet (shown); Install up to 8 x S48-100LFP ESS units per cabinet Battery Management System (BMS) Type Integrated hardware BMS inside Protection topology Independent charge & discharge protection, secondary protection Protection functions Short-Circuit Protection, Over-Voltage Protection, Low-Voltage Protection, Over-Current Protection, Low-Temperature Protection, Over-Temperature Protection Internal BMS Model 16S75A Specifications – mechanical Weight 50.5 kg 111.30 lbs Length 555 mm 21.8" Width 442 mm 17.4" Height Incl. Term. 173 mm 6.8" Handles Built-in Measurement note Product measurements & weights are calculated based on sample data. Individual specifications are subject to vary due to the manufacturing process & battery components. Operational limits and configuration Expected Cycle Life >6000 @ 80% DOD, >3000 @ 100% DOD Series Connection 1 Parallel Connection 16 Connectivity 2x RS-485, 1 x CAN bus; See Operating Manual for compatible inverters, communication types and protocols Revision Rev.#2 | February 2024 Shipping Shipping is available to the UK, Ireland, Africa, the Caribbean and worldwide. If the shipping rate is not shown at checkout, please contact us on +44 2080640335 or [email protected] for a tailored shipping quote. UK expert support UK expert support is available to help with system design, inverter compatibility checks and configuration of the Rolls S48-100LFP ESS 48V 100Ah LiFePO₄ Battery in your energy storage project. For multi‑battery ESS installations we recommend installation and commissioning through our trusted partners to ensure correct communication settings, protection coordination and safe operation. You can contact us via phone, email or live chat, or visit our office for an in‑person consultation to discuss your site, preferred inverter and required battery capacity. Documents available for download Rolls S48-100LFP ESS datasheet Rolls S‑Series LFP ESS operating manual

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