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EnerSys
EnerSys Cyclon 2V 4.5Ah Sealed Lead Acid DT Cell
Sealed lead-acid cell delivers 4.5 Ah at 2 V with 200-plus deep-discharge cycles and up to 2000 charge cycles
- Battery TypeBattery Pack
- Reliable power across extremes with -65 to 80°C operating range
- Compact 34 mm diameter fits tight spaces
- Fast 0.187" faston tabs speed installation
- Long service life reaching 2000 charge cycles
- Deep-discharge resilience recovers after 200+ full cycles
Cyclon 2V 4.5Ah DT cell
The EnerSys Cyclon is a sealed lead-acid DT cell rated at 2 volts and 4.5Ah. Its pure lead-tin VRLA AGM construction supports high-rate charge and discharge in demanding environments. The cylindrical pack measures 34mm diameter by 96mm height and weighs 274g. Termination uses 0.187in faston tabs for quick wiring.
Suited for backup and industrial use
Engineers specifying standby power for alarm panels, telemetry or emergency lighting will value the 200-plus full-depth discharge cycles and superior deep-discharge recovery. Operators needing a wider temperature envelope benefit from the -65 to 80°C rating. Buyers who want more storage per cell or a different terminal style should look at larger capacities or alternative termination options.
Ready to install with long shelf life
Each cell ships with a two-year shelf life so spares stay viable in stores. The faston tabs allow tool-less connection to existing harnesses without soldering. Cycle life reaches up to 2000 charges under shallow-discharge regimes, reducing replacement frequency in cyclic applications.
Highlights
- Reliable power across extremes with -65 to 80°C operating range
- Compact 34 mm diameter fits tight spaces
- Fast 0.187" faston tabs speed installation
- Long service life reaching 2000 charge cycles
- Deep-discharge resilience recovers after 200+ full cycles
Specifications
| Battery Type | Battery Pack |
|---|
Questions about this item
What charger voltage and termination style does this 2 V 4.5 Ah Cyclon cell require?
Use a 2 V lead-acid charger with a 0.187" faston connector to match the cell's terminals.
Can I mix this 34 mm diameter DT cell with older Cyclon cells of different capacities in the same string?
Only combine cells with identical 4.5 Ah capacity and 2 V nominal voltage; mismatched capacities cause imbalance during charge and discharge.
How do I verify the cell is healthy after installation?
Measure open-circuit voltage near 2 V, confirm it delivers rated current at -65 to 80 °C, and check for 200+ full-depth cycles without capacity loss.
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