Sealed lead‑acid battery EATON 12V 5Ah model BAT-CSB-HR1221WF2 for UPS and backup power

EATON 12V 5Ah sealed lead‑acid battery model BAT-CSB-HR1221WF2 is a compact, valve‑regulated rechargeable battery designed for use in UPS systems and small backup power applications. It provides a nominal voltage of 12 volts and a rated capacity of 5 ampere‑hours in a maintenance‑free construction. The sealed design prevents leakage and allows installation in a range of orientations, making it suitable for emergency lighting, telecom equipment, alarm systems and small uninterruptible power supplies that require dependable short‑term backup.

Advantages

The battery offers a sealed, valve‑regulated design that reduces maintenance and the need for regular electrolyte checks. Its compact size and 5Ah capacity deliver a balance between energy density and physical footprint for confined installation spaces. The construction provides stable voltage output under typical discharge conditions and is compatible with common UPS charging regimes. Its sealed nature minimizes gas release and permits indoor installation without special ventilation.

Подходит для

• Резервное питание небольших ИБП
• Аварийное освещение
• Телекоммуникационное оборудование
• Системы охранной и сигнализации

Key specifications

• Nominal voltage: 12 V
• Capacity: 5 Ah (ampere‑hours)
• Technology: Sealed lead‑acid, valve‑regulated (VRLA)
• Maintenance: Maintenance‑free, no need to add electrolyte
• Orientation: Multi‑position installation (subject to manufacturer installation guidance)
• Typical use: Short‑term backup and cyclic/standby applications

How to use

Install the battery in a compatible UPS or backup enclosure following the equipment manufacturer’s instructions. Ensure correct polarity when connecting terminals and secure the battery to prevent movement. Use a charger or UPS charging circuit designed for sealed lead‑acid VRLA batteries and follow recommended float and cyclic charge settings. Do not overcharge or deep‑discharge the battery beyond recommended limits to preserve lifespan. Observe ambient temperature ranges specified by the UPS or battery manufacturer for optimal performance.

Usage recommendations

Store and operate the battery in a dry, cool environment. Periodically check the host equipment’s battery status indicators and perform charging cycles as recommended to avoid capacity loss from prolonged storage in a discharged state. Replace batteries in matched sets when used in series and recycle used batteries according to local regulations.