01. 12 VDC sealed lead-acid;
02. Fully rechargeable;
03. Maintenance‑free;
04. For use as secondary power for accessory modules;
05. Long service life.

A maintenance‑free, sealed lead‑acid, standby and auxiliary power supply that provides long service life and dependability. The battery is for use only with charging circuits calibrated for lead‑acid batteries. It is suitable for supplying backup power for fire, security, and access control systems during AC power failures. The D126 fits in any of the currently offered.