AGM-accu Voltage Long Life 12V 28Ah VEL12-28 (15 jaar levensduur)

The Voltage VEL12-28 is a high-quality AGM (Absorbent Glass Mat) battery designed for long-life applications. With a nominal voltage of 12V and a capacity of 28Ah (C20 rate), this maintenance-free VRLA battery offers a design life of 15 years at 25°C, making it ideal for backup power, security systems, and other stationary applications.

Advantages

This battery features AGM technology, ensuring spill-proof and leak-proof operation. It can be mounted in any position (except continuous inverted use) and requires no maintenance. The low self-discharge rate of less than 3% per month at 25°C allows for long storage periods without recharging.

Suitable for

• Uninterruptible Power Supplies (UPS)
• Security and alarm systems
• Emergency lighting
• Telecommunications equipment
• Solar energy storage

Key specifications

• Battery Type: AGM (Absorbent Glass Mat)
• Technology: VRLA (Valve Regulated Lead Acid)
• Nominal Voltage: 12V
• Nominal Capacity: 28Ah (C20 rate)
• Design Life: 15 years (at 25°C)
• Terminal Type: F2 (Faston 250)
• Max. Discharge Current: 280A (5 seconds)
• Max. Charge Current: 8.4A (0.3C)
• Float Charge Voltage: 13.5V - 13.8V (at 25°C)
• Cycle Use Voltage: 14.4V - 14.7V (at 25°C)
• Internal Resistance: Approx. 9 mΩ
• Self-Discharge Rate: Less than 3% per month at 25°C
• Operating Temperature Range (Discharge): -20°C to 60°C
• Operating Temperature Range (Charge): 0°C to 50°C
• Container Material: ABS
• Maintenance: Maintenance-Free
• Mounting Orientation: Any position (except continuous inverted use)
• Safety Features: Spill-proof, Leak-proof
• Certifications: CE

Recommendations

For optimal performance and longevity, use this battery with a compatible charger that follows the recommended float and cycle voltage settings. Store in a cool, dry place and avoid deep discharges below 10.5V.