Premium High-Rate Power Solution. As battery specialists since 2010, we deliver competitive pricing on UL recognized AGM technology. The CSB HR1221W provides 5Ah capacity with superior high-rate discharge construction for exceptional power delivery and reliability. This exact replacement battery features clearly specified dimensions (3.54" × 2.76" × 4.21"H), F2 terminal connections, and valve-regulated non-spillable design. With DOT/IATA compliance and maintenance-free operation, get trusted high-performance power at exceptional value.

Why Customers Choose CSB HR1221W: Superior AGM technology delivers exceptional power-to-volume ratio. High-rate discharge construction for demanding applications. UL recognized components (File #MH14533) for safety assurance. Non-spillable valve-regulated design operates safely in any position. Transport approved for air, sea, and land shipping - competitive pricing from battery specialists since 2010.

• • CSB HR1221W 12V 5Ah High Rate Battery
• • F2 Terminal Connections (0.250" Faston)
• • Valve-Regulated Non-Spillable Design

International Certifications:

• ISO 9001, 14001, OHSMS 18001: Certified manufacturing processes
• UL Recognition: Components recognized under UL 1989, File #MH14533
• CE Certified: Compliant for European market requirements
• Transport Approvals: IATA/ICAO Special Provision A67 for air transport
• DOT Compliant: "Dry charge" classification (49 CFR 171-189)

Quality Testing:

Computer Charge/Discharge Testing: Each battery strictly tested by patented systems to ensure consistent performance and reliability.

Exact Replacement For:

The CSB HR1221W replacement battery is fully compatible with the original HR1221W battery, featuring identical specifications for reliable performance.

Ideal Applications:

• Emergency Lighting Systems: Reliable backup power for safety lighting
• Security Alarm Systems: Continuous power for protection equipment
• Uninterruptible Power Supplies: UPS replacement batteries for critical systems
• Medical Equipment: Dependable power for healthcare devices
• Test & Measurement Equipment: Stable power for precision instruments

Q: What makes the HR1221W different from other 12V batteries?
A: The CSB HR1221W is specifically designed for high-rate discharge applications, offering superior performance in high-demand situations thanks to its AGM technology and specialized internal construction.

Q: Is this battery maintenance-free?
A: Yes, the CSB HR1221W is a completely maintenance-free sealed lead acid battery. There's no need to add water or perform regular maintenance as required with traditional lead acid batteries.

Q: Can this battery be mounted in any position?
A: Yes, thanks to the valve-regulated, non-spillable design, this battery can be safely operated and mounted in any position without risk of leakage.

Q: What is the expected lifespan of this battery?
A: With proper use and charging, the CSB HR1221W battery offers a long service life with low self-discharge rate. Typical lifespan depends on use conditions and cycle frequency.

Q: Is this battery safe for shipping?
A: Yes, this battery is classified as Non-Hazardous and Non-Spillable by DOT, IATA, and ICA organizations, making it safe and compliant for various transport methods including air shipping.

Battery Specialists Since 2010

With over a decade of experience, we understand the critical importance of reliable power solutions. Our focus on premium AGM technology and safety certifications ensures you receive exceptional value with every purchase.

Expert Support & Service

Need help selecting the right battery? Our specialists are ready to assist you! Call us toll-free at 1-877-775-4381 or contact us online to speak with a battery expert today.

Experience Superior High-Rate Battery Performance

The CSB HR1221W delivers exceptional value with UL recognized safety and superior AGM technology. With competitive pricing on this 5Ah high-rate solution, guaranteed F2 terminal compatibility, and non-spillable valve-regulated design, you're investing in proven reliability. As battery specialists since 2010, we provide clearly specified dimensions and one-year warranty coverage for your critical power needs.

Order Your CSB HR1221W Battery Today