The PSS-OPS24V4A UPS Battery Charger System has been designed to be compact and extremely efficient. Manufactured for back-up applications in industrial, telecoms, security and access control markets. These units are built as a standalone power supply or to be connected to a lead acid battery to operate as a DC UPS.
PowerShield
PSS 24VDC 4A Power Supply Module, 1.2A Battery Charger, AC Fail & Low Battery Outputs
$206.50