CSB HRL1234WF2 12V 9Ah Long Life VRLA AGM Battery - F2 Terminals

Uninterruptible power supplies, emergency lighting, and security systems demand a battery that delivers consistent performance over many years. The CSB HRL1234WF2 is a 12V 9Ah valve-regulated lead-acid battery engineered for long-life standby applications. With an expected service life of 8 to 10 years in float service, it reduces the frequency of replacements and lowers total cost of ownership. Its AGM (Absorbed Glass Mat) construction ensures maintenance-free operation, no electrolyte leakage, and safe installation in enclosed spaces.

Who is it for

This battery is ideal for professionals maintaining UPS systems, emergency lighting circuits, security and alarm panels, and other backup power installations where reliability is non-negotiable. It suits both new setups and direct replacement of existing 12V 9Ah batteries with F2 terminals.

Main features

• Long Life design: 8-10 years of float service life (Eurobat classification)
• VRLA AGM technology: sealed, maintenance-free, and leak-proof
• High discharge reliability: delivers 34 watts per cell at the 15-minute rate
• Robust ABS container (UL94-HB) for durability
• Faston F2 (250) terminals for secure and easy connections
• Low self-discharge: less than 10% per 90 days at 25°C
• Wide operating temperature range: -15°C to 50°C

Specifications

• Brand: CSB
• Model: HRL1234WF2
• MPN: HRL1234WF2
• EAN: 5904814370081
• Battery technology: VRLA AGM
• Battery voltage: 12V
• Battery capacity: 9Ah (20-hour rate)
• Nominal capacity (15-min rate): 34W/cell
• Internal resistance: approx. 19 mΩ
• Max. discharge current (5 sec): 100A
• Max. charge current: 2.7A
• Float charge voltage: 13.5 - 13.8 VDC
• Cycle use voltage: 14.4 - 15.0 VDC
• Operating temperature (discharge): -15°C to 50°C
• Self-discharge rate: less than 10% in 90 days (at 25°C)
• Container material: ABS (UL94-HB)
• Terminal type: F2 (Faston Tab 250)
• Recommended application: UPS systems, emergency lighting, security systems

Tips

For optimal lifespan, store the battery in a cool, dry place and recharge it if stored for more than 6 months. Always use a compatible charger with the correct float voltage to avoid overcharging.