Pyramid PSV300 Heavy Duty 13.8 V 30 Amp Switching DC Power Supply

Fully Regulated Low Ripple 30-Amp Switching DC Power Supply
Lighted On/Off Switch 
Overheating Protection 
Cooling and Fan Control 
Red/Black Terminal Post 
Outputs: 13.8VDC At Up To 30 Amps Continuous 
Dimensions:8.5" x 2.625" x 8.25" (WxHxD)