EnerSys Cyclon 0810-0004 2V 2.5Ah D-Cell Battery

The EnerSys Cyclon 0810-0004 is a durable, maintenance-free 2 V D-cell lead-acid battery with a capacity of 2.5 Ah (10-hour rate). It features a spiral (rolled) electrode design and is engineered for high stability, excellent cycle life, and reliable performance in demanding environments. Common uses include emergency lighting, backup power systems, fire alarm panels, telecom and utility applications.

• 2 V nominal voltage
• 2.5 Ah capacity (10-hour discharge rate) :contentReference[oaicite:0]{index=0}
• Pure lead / AGM / absorbed electrolyte design — sealed, leak-proof construction :contentReference[oaicite:1]{index=1}
• Spiral / coiled electrode design for high conductivity and stable voltage :contentReference[oaicite:2]{index=2}
• Metal cylindrical case (D-cell size) approx. Ø 34.3 mm × length ~ 61.2 mm (height) :contentReference[oaicite:3]{index=3}
• Terminal style: quick connect / Faston tab (4.75 mm) :contentReference[oaicite:4]{index=4}
• Weight around 176–178 g :contentReference[oaicite:5]{index=5}
• Wide operating temperature range (suitable for harsh environments) — for cells, –65 °C to +80 °C :contentReference[oaicite:6]{index=6}
• Long float-life expectancy (often up to 10+ years) and robust deep-cycle performance (thousands of cycles, depending on depth of discharge) :contentReference[oaicite:7]{index=7}
• Low self-discharge, minimal gassing under normal charging, safe for enclosed/occupied spaces :contentReference[oaicite:8]{index=8}

• Emergency lighting systems
• Fire and safety alarm panels
• Uninterruptible power supplies (UPS) and standby power modules
• Telecommunications / remote base stations
• Portable / mobile emergency and safety equipment
• Utility and instrumentation backup power

What’s in the Box

• EnerSys Cyclon 0810-0004 2 V 2.5 Ah battery (D-cell format)
• Protective sleeves / insulating covers (where applicable)
• Product datasheet / safety instruction leaflet

This EnerSys Cyclon 0810-0004 battery offers a reliable, high-performance solution for applications requiring compact, long-life 2 V power cells. Its design affords stability, safety, and excellent cycling characteristics — ideal for critical backup and safety systems.