EnerSys Cyclon 0820-0004 2 V 25 Ah BC-Cell Pure-Lead SLA – Long-Life Backup Power
-
High-Capacity Pure-Lead BC-Cell Design (2 V, 25 Ah) — Delivers exceptional energy density in a compact cylindrical form, optimized for deep-discharge performance and fast recharge times.
-
Long Service Life – Up to 15 Years Float & 300+ Cycles — Engineered for reliability with extended float life and cycle endurance, reducing replacement needs in critical power systems.
-
Robust AGM Construction with Steel Can and Safety Vent — Maintenance-free, leak-proof design with a pressure-relief vent ensures safe use in enclosed spaces and high-vibration environments.
-
Wide Operating Temperature Range (Approx. –40 °C to +60 °C) — Built for versatility, this BC-cell withstands harsh climates and supports installations in outdoor, industrial, and extreme environments.
-
Ideal for UPS, Telecom Backup & Modular Battery Packs — Commonly deployed in uninterruptible power supplies, telecom trunking systems, emergency lighting, and custom energy storage configurations requiring high reliability and low maintenance.
- In a flash shipping on all orders
- Safe shopping guarantee
- Secure online payments
- 30 days money back guarantee
EnerSys Cyclon 0820-0004 2 V 25 Ah BC-Cell Pure-Lead SLA – Long-Life Backup Power
The EnerSys Cyclon 0820-0004 BC-Cell is a robust 2 V, 25 Ah sealed lead-acid battery featuring premium pure-lead spiral-wound plates housed in a rugged steel enclosure. Designed for deep-discharge applications, it boasts fast recharge characteristics, low self-discharge, and exceptional cycle life—often topping 300 full cycles with a float life of up to 15 years at nominal temperature. Its maintenance-free AGM construction ensures reliable, leak-proof operation, while a built-in high-pressure safety vent enhances safety for installation in enclosed or high-vibration environments.
Engineered for demanding use, the 0820-0004 performs reliably across wide temperature ranges (-40 °C to +60 °C), making it ideal for industrial, outdoor, and mission-critical environments. It's a proven solution in redundant power systems, such as UPS setups, telecom backups, emergency lighting, and modular battery arrays. Its compact BC-cell cylindrical design allows for flexible pack configurations and seamless integration into high-density power builds, providing both compactness and buttoned-down reliability for essential backup power needs.
Specifications
- Manufacturer Part Number: 0820-0004
- Cell Size: BC
- Voltage: 2
- Capacity (10hr. rate 25°C to 1.67Vpc): 25Ah
- Internal res. of fully charged cell mΩ @ 25°C: 1.5
- Nominal short circuit current for charged cell: 1335A
- Construction: Metal outer case & spiral construction
- Design: 3 atm venting pressure
- Diameter: 2.57in (65.3mm)
- Height: 6.25in (158.8mm)
- Height with terminals: 6.82in (173.2mm)
- Weight: 58.88oz (1669.2g)
- Termination: M6 (-) and M8 (+) terminals
- Operating Temperature: -65°C to 80°C (-85°F to 176°F)
EnerSys "pure lead" batteries applications:
- Telecommunications
- Electronics
- Uninterruptible Power Supplies
- Defense installations
- Aviation
- Computer back-up
- Electric vehicles
- Medical equipment
- Solar power
- Lawn and garden equipment
- Extreme temperature environments (-65°C to +80°C or -85°F to + 176°F) for single cells
| Diameter | 2.57 |
|---|---|
| Height | 6.25 |
| Condition | New |
| Country of Manufacture | Malaysia. Country of origin is subject to change |
| Brand | EnerSys |
| Chemistry | AGM |
| Output Voltage | 2 |
| Amperage | 25 |
| Rechargeable | Yes |
