Sealed AGM VRLA 12V 7Ah battery NORDMARK NMB12-7-4/4 with T1 (4.75 mm) terminals

NORDMARK NMB12-7-4/4 is a sealed AGM VRLA rechargeable battery with a nominal voltage of 12 V and a rated capacity of 7 Ah. The battery features T1 (4.75 mm) push-on terminals and a maintenance‑free, spill‑proof design based on absorbent glass mat (AGM) technology. Its compact, upright-installable case provides stable short-term power for UPS units, alarm and security systems, emergency lighting, and other standby power applications where reliable, valve‑regulated lead‑acid performance is required.

Advantages

The sealed AGM construction ensures low internal resistance, low self-discharge and safe operation without the need to add water. Valve‑regulated design prevents leakage and reduces maintenance compared with flooded lead‑acid batteries. T1 (4.75 mm) terminals allow easy connection with standard push-on connectors. The compact form factor and robust plastic housing make the battery suitable for upright mounting in confined spaces and for use in equipment with moderate vibration and shock.

Suitable for

• Uninterruptible Power Supplies (UPS) for small to medium systems
• Alarm and security systems
• Emergency and exit lighting
• Backup power for telecommunications and network devices
• Portable equipment requiring sealed 12 V standby power

Key specifications

• Nominal voltage: 12 V
• Rated capacity: 7 Ah (at 20-hour rate)
• Battery type: Sealed lead‑acid, AGM VRLA
• Terminal type: T1 (4.75 mm) push-on
• Design: Maintenance‑free, spill‑proof
• Recommended mounting: Upright
• Typical applications: Standby and cyclic use for backup power

How to use

Install the battery in the intended device following the equipment manufacturer’s instructions and observe correct polarity when connecting the T1 terminals. Allow secure mechanical fastening to prevent movement; place the battery upright unless the device documentation specifies otherwise. Charge and maintain the battery with a compatible lead‑acid/AGM charger or charger built into the host equipment, using appropriate charge voltages and float settings for 12 V VRLA batteries. Do not expose the battery to open flames or high temperatures and avoid deep discharges to prolong service life.

Usage recommendations

For reliable backup performance, periodically verify battery state of charge and replace units that show reduced capacity. Use a charger or UPS with AGM‑compatible charge algorithm and float voltage control. Store unused batteries in a cool, dry place and recharge them every few months to prevent deep discharge.