The REDARC DPS2420 is a 24V 20 amp DC Power Supply that provides greater efficiency with regulated power for all sensitive load requirements, such as lamps, TVs, radios, fridges, and pumps with voltage output from a 24V automotive power system. Due to the reduced noise from the fan free power supply, there is no interference to power hi-tech radio systems. Additionally, the DC Power Supply has built-in protection against spikes and surges and is fully encapsulated for use in marine applications, as needed. For certain situations, the DC Power Supply is a suitable option for those who want to install an auxiliary battery.. . . . .