• High-performance 12V 12Ah Valve Regulated Lead Acid (VRLA) battery designed for standby and cyclic applications
• Built using AGM (Absorbent Glass Mat) technology for superior reliability and leak-proof operation
• Fully sealed and maintenance-free, eliminating the need for electrolyte refilling
• Compact and industry-standard size, ideal for UPS and backup systems
• Long service life with stable discharge performance under varying loads
• Excellent deep discharge recovery with low self-discharge rate
• Designed for both float service (backup) and cyclic use (frequent charge/discharge cycles)
• Safe operation with spill-proof construction and high vibration resistance
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Technical Specifications
• Nominal Voltage: 12V
• Nominal Capacity: 12Ah (20-hour rate)
• Battery Type: Sealed Lead Acid – AGM (VRLA)
• Design Life: 3–5 years (float service at 25°C)
• Terminal Type: Faston Tab (F2 / sometimes bolt depending on version)
• Internal Resistance: Low (optimized for UPS and backup systems)
• Operating Temperature:
 • Charge: 0°C to 40°C
 • Discharge: -15°C to 50°C
• Float Charging Voltage: 13.5 – 13.8V
• Cycle Charging Voltage: 14.4 – 15.0V
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Physical Specifications
• Dimensions: 151 mm (L) × 98 mm (W) × 95 mm (H)
• Total Height (with terminals): ~101 mm
• Weight: ~3.7 kg
• Case Material: ABS Plastic
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Key Features
• Maintenance-free and sealed design
• Higher capacity for extended backup time
• High energy density in compact footprint
• Excellent deep cycle recovery performance
• Reliable in both high and low temperature environments
• Low self-discharge for extended shelf life
• Durable construction with strong vibration resistance
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Competitive Advantages
• Longer runtime compared to 7Ah and 9Ah models
• Same footprint compatibility with many systems (wider body version)
• Trusted Ultracell brand with consistent manufacturing quality
• Superior performance compared to low-cost generic alternatives
• Ideal for heavier load and longer backup requirements
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Typical Applications
• UPS systems (home, office, and IT backup)
• Emergency lighting systems
• CCTV and security systems
• Fire alarm systems
• Telecommunications equipment
• Access control systems
• Medical devices
• Power backup for networking and routers
• Solar small backup systems