EnerSys Cyclon 0859-0010 4V 8Ah Pure-Lead AGM Monobloc – Durable Backup Power
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High-Capacity Pure-Lead AGM Design (4 V, 8 Ah) — Crafted with spiral-wound pure-lead plates and Absorbed Glass Mat technology for improved energy density, efficient charging, and reliable performance.
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Exceptional Durability & Long Service Life — Offers a robust design life up to 15 years and supports 200+ deep discharge cycles, translating into fewer replacements and lower lifecycle costs.
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Compact, Maintenance-Free & Leak-Proof Construction — Encased in a steel-jacketed monobloc with a resealable safety valve, it’s completely sealed, non-spillable, and safe for any orientation.
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Reliable Operation in Harsh Environments — Built to withstand extreme conditions, this battery maintains performance across wide temperature swings and is protected from shock and vibration.
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Ideal for Backup Power & Modular Configurations — Perfectly suited for emergency lighting, UPS systems, telecom backup, medical equipment, and custom battery packs needing dependable, long-term power.
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EnerSys Cyclon 0859-0010 4V 8Ah Pure-Lead AGM Monobloc – Durable Backup Power
The EnerSys Cyclon 0859-0010 Monobloc is a rugged and high-capacity 4 V, 8 Ah sealed lead-acid (SLA) battery featuring a spiral-wound, pure-lead AGM (Absorbent Glass Mat) construction encased in a durable steel housing. Designed for fast recharging—often restoring full power in under an hour—this maintenance-free unit protects sensitive internal components with advanced spill-proof and high-pressure safety valve design, enabling safe operation in any orientation. With its compact form factor (approximately 3.8″ long × 2.1″ wide × 4.0″ high) and reliable performance—even under repeated cycling—it’s well-suited for applications requiring dependable power delivery over a long service life.
Built for extreme environments, the 0859-0010 delivers stable, efficient power across wide temperature ranges and remains resistant to shock and vibration. Its robust construction ensures high energy density and dependable backup power for critical systems. Commonly deployed in emergency lighting, uninterruptible power supplies (UPS), telecommunications infrastructure, medical and aerospace equipment, GPS systems, and solar energy setups—this battery offers consistent, low-maintenance power well-suited to mission-critical and high-uptime applications.
Specifications:
- Part Number: 0859-0010
- Capacity: 8 Ah
- Classification: Rechargeable
- Jacket Material: Non-Conductive ABS Plastic
- Operating Temperature: -40 to 40 °C
- Tab Type: Rectangular Lead Acid Batteries
- Termination: Quick Disconnect
- UPC Code: 728286250352
- Voltage Rating: 4 VDC
- Weight: 2.11 lb
EnerSys "pure lead" batteries applications:
- Emergency lighting units (e.g., Sure-Lite, Dual-Lite, Emergi-Lite, LightAlarms, Chloride)
- Uninterruptible Power Supply (UPS) systems for data protection and seamless power transition
- Medical devices such as diagnostic equipment, infusion pumps, and portable monitors
- Aerospace and defense systems requiring rugged, high-reliability power sources
- Military-grade electronics and field equipment operating under harsh conditions
- Telecom and communications backup modules ensuring uptime during power failures
- Custom battery pack assemblies where space and orientation flexibility are crucial
- Fitness and exercise equipment—like stationary bikes—where sealed, maintenance-free power is required
- Industrial control systems and power backup in manufacturing or automation setups
- Solar and renewable energy installations, particularly in off-grid or extreme-environment scenarios
| Width | 2.12 |
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| Height | 4 |
| Length | 3.80 |
| Condition | New |
| Country of Manufacture | U.S.A. |
| Brand | EnerSys |
| Chemistry | AGM |
| Output Voltage | 4 |
| Amperage | 8 |
| Rechargeable | Yes |
