13.8VDC battery back up power modules

13.8VDC battery back up power modules
PS138 - V3
This product is a 1 Amp DC power module with a battery backup facility available for up to 7AH SLA 12V batteries. It has a fused output and AC as well as DC OK LED indication.

13.8VDC battery back up power modules
SM138-2B
This power module is an upgraded version of the SM138-2A below. It features a larger heatsink, AC and DC indication LEDs and a delayed AC fail SPDT relay output. The battery charging circuit has also been changed to the more effective 5W lamp style as per the PS138-V3. Output is 13.8VDC at up to 2 Amps.

13.8VDC battery back up power modules
SM138-2A
This power module features switch mode operation which results in less heat, higher current output and smaller size than our two other power module products. It can deliver up to 2 Amps at 13.8VDC.