Reliable Astron Linear Power Supply, With Battery Backup and Charger, Input: 220 Vac, Output: ICS 13.8Vdc, 20A Max

-Input Voltage (VAC): 220.
-Output Voltage (VDC): 13.8.
-Maximum current (A): 20.
-Continuous current (A): 16.
-Backup output: Yes.

* Equipment for delivery in the U.S.A

Has the capacity to charge one or several batteries, and when the electric utilities have a failure, the batteries make the power supply function as a backup.