21 Ah + Alarm Batteries

For the largest commercial and industrial alarm systems, our 21 Ah + alarm batteries provide extended runtime and maximum reliability.

Typical capacities include 21 Ah, 24 Ah, 26 Ah, and 28 Ah, giving you the endurance needed for multi-panel or UPS-style backup setups.

These heavy-duty 12 V sealed lead-acid batteries feature reinforced cases, low internal resistance, and long design life.

We maintain UK inventory for fast dispatch and can advise on pairing or parallel configurations for higher capacities.

Order online today for high-capacity power solutions you can trust.