Build a cleaner, more dependable low-voltage power architecture with a supply that does more than simply convert power. Altronix SMP3 combines power supply and charger functionality in one unit, helping reduce enclosure clutter while supporting the electrical demands of security, access control, and related systems. Selectable 6/12/24 V output gives installers the flexibility to match the load requirements of different devices without changing platforms. At 2.5 A, the unit is sized for focused deployments where stable power delivery and charging support matter more than oversized capacity. That makes it a strong fit for panels, controllers, and auxiliary equipment that need consistent operation and battery-backed readiness. For procurement teams, the value is in the integration. A combined power supply/charger can reduce the number of separate components to source, mount, and service. For installers, it means a more organized build and fewer points of failure. SMP3 is the kind of component chosen when the system must stay serviceable, compact, and ready for long-term use in professional environments.