Qoltec 53049 AGM Battery 12V 12Ah VRLA Sealed Lead Acid Maintenance-Free for UPS, Alarm, Emergency Lighting, Grey

Power outages and voltage fluctuations can bring critical systems to a halt, but the Qoltec 53049 AGM battery keeps your equipment running when mains power fails. This maintenance-free 12V 12Ah VRLA battery is engineered for buffer and emergency power applications, ensuring uninterrupted operation for UPS units, alarm systems, emergency lighting, and medical backup devices. Its sealed Absorbent Glass Mat (AGM) construction eliminates the risk of acid leakage and allows flexible mounting in any orientation except inverted, making it a safe and versatile choice for demanding environments.

Who is it for

This battery is ideal for businesses and homeowners who need reliable backup power for security systems, fire alarms, emergency lighting, and uninterruptible power supplies. It also suits small electric vehicles such as scooters, campers, and forklifts, as well as monitoring equipment that must remain operational during outages.

Main features

• Maintenance-free VRLA AGM technology with no need to top up electrolyte
• Long service life of up to 10 years in buffer (standby) operation
• Sealed, leak-proof design resistant to shocks and vibrations
• High-quality pure lead components and durable ABS housing
• 24-month manufacturer warranty
• Compact dimensions: 150 mm x 98 mm x 95 mm (L x W x H)
• Weight: 3.58 kg

Specifications

• Nominal voltage: 12 V
• Nominal capacity: 12 Ah
• Battery technology: VRLA AGM (Valve Regulated Lead Acid, Absorbent Glass Mat)
• Terminal type: F2 (T2) – 6.35 mm wide spade terminals
• Design life: 5 years (up to 10 years in buffer duty)
• Float charge voltage: 13.5–13.8 V at 25°C
• Cycle use voltage: 14.4–15.0 V at 25°C
• Max. discharge current (5 sec): 180 A
• Recommended max. charging current: 3.6 A
• Internal resistance: approx. 19 mΩ
• Self-discharge rate: less than 3% per month at 25°C
• Operating temperature (discharge): -20°C to 50°C
• Operating temperature (charge): 0°C to 40°C
• Operating temperature (storage): -20°C to 50°C
• Housing material: ABS plastic
• Colour: Grey
• Certifications: CE, RoHS

Tips

For optimal performance, install the battery in a well-ventilated area and avoid exposing it to extreme temperatures. Use a compatible charger with the recommended voltage settings to extend service life. Always connect the positive terminal first and ensure tight, corrosion-free connections. Store the battery in a cool, dry place and recharge it every 6 months if not in use.