The Samlex America 12V 3-stage battery charger family delivers reliable, automatic charging for Flooded, AGM and Gel lead-acid batteries. Units feature a DIP switch to select 2- or 3-stage charging algorithms and a user-selectable 120/230 VAC (50/60 Hz) input, allowing flexible installation in a range of applications. Built-in monitoring includes voltmeter and ammeter displays, and safety protections cover overload and short-circuit conditions. These chargers can operate as a DC power supply or provide DC UPS functionality when batteries are connected to a DC load. Lightweight and quiet in operation, the product family is UL-1564 listed and EMI compliant to FCC Part 15(B), Class B, and is covered by a 2 Year Limited warranty. Ideal for automotive, recreational vehicle, marine, communications sites and battery back-up systems.