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Q 1. What is the C20 capacity of the Rolls S2-1620GEL?

A. The Rolls S2-1620GEL has a rated capacity of 1828Ah at the 20-hour discharge rate (C20). At the 10-hour rate (C10), the rated capacity is 1620Ah.

Q 2. What voltage is the Rolls S2-1620GEL?

A. The S2-1620GEL is a 2-volt cell. Multiple cells are typically connected in series to build the required system voltage for a given installation.

Q 3. What type of electrolyte technology does the Rolls S2-1620GEL use?

A. The S2-1620GEL uses an immobilised GEL electrolyte combined with tubular positive plate technology. This OPzV construction eliminates free liquid electrolyte, reducing maintenance requirements and acid stratification risk.

Q 4. What is the polarity configuration of the Rolls S2-1620GEL?

A. Polarity must be confirmed by checking the label on the individual unit prior to installation. Do not assume terminal orientation from photographs or generic diagrams.

Q 5. Is the Rolls S2-1620GEL suitable for off-grid solar energy storage?

A. Yes. The OPzV GEL design is well-suited to cyclic and standby stationary applications including off-grid solar, UPS systems, and industrial energy storage where deep discharge capability and low maintenance are required.

Q 6. Is the Rolls S2-1620GEL maintenance-free?

A. As a valve-regulated GEL battery, the S2-1620GEL does not require electrolyte top-up under normal operating conditions. However, periodic inspection of connections, housing, and charging parameters is recommended.

Q 7. Are there cross-reference part numbers for the Rolls S2-1620GEL?

A. No confirmed cross-reference codes are available for the S2-1620GEL. If you are replacing a battery from another manufacturer, please contact PartsForMachines with the existing part number to confirm compatibility.

Q 8. What other capacities are available in the Rolls OPzV GEL 2V series?

A. The range includes models from 224Ah up to 1380Ah at C10 rate, with SKUs including S2-224GEL, S2-280GEL, S2-336GEL, S2-405GEL, S2-486GEL, S2-567GEL, S2-690GEL, S2-920GEL, S2-1150GEL, and S2-1380GEL. Contact PartsForMachines to confirm the correct capacity for your system.

Q 9. How is the Rolls S2-1620GEL delivered and what are the return terms?

A. The S2-1620GEL is dispatched on a pallet and typically delivered within 3–5 working days to UK mainland addresses. Contact PartsForMachines for a delivery quote prior to ordering. A 30-day returns policy applies.

Q 10. What are the physical dimensions and weight of the Rolls S2-1620GEL?

A. The battery measures 275mm (length) × 210mm (width) × 824mm (height including terminal). It weighs 120kg. Pallet handling equipment is required for installation.

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