Introducing the Altronix AL400ULXPD4 Access Power Supply Charger, a reliable solution for your power needs. This advanced charger is designed to accommodate sealed lead acid or gel type batteries, ensuring optimal performance. In the event of an AC power failure, it seamlessly transitions to a standby battery, providing uninterrupted service. With zero voltage drop during this switch, you can trust that your devices will remain powered without interruption. Ideal for security systems and other critical applications, this power supply is housed in a durable BC400 enclosure. Don't compromise on power reliability—choose Altronix today!