RoadCharger 20 Amp DC/DC Battery Charger Kit

RoadCharger 20 Amp DC/DC Battery Charger Kit


Kit Includes: Road Charger 20 Amp Battery Charger and Master Shut off Switch


RoadCharger 20 Amp DC-to-DC Battery Charger


The 20 Amp RoadCharger is designed to boost the voltage of the battery on the trailer when the trailer battery is mounted several feet away from the tow vehicles alternator. This charges the trailer mounted battery much faster, while the trailer is being pulled down the road. Increase Productivity and reduce service calls due to dead batteries.


  • Input Voltage Range: +9.5 to +16 Vdc
  • Max Output Current: 20 A
  • Storage Temperature Range: -55˚ C to +125˚ C
  • Ambient Air Operating Temperature: -40˚ C to +85˚ C
  • Dimensions: 143 x 192 x 60 mm
  • Weight: 8.8 lbs (4 kg)
  • Compliance: FMVSS 121; SAE J227; TMC RP141
  • Ingress (IP) Rating: IP67 and IP69K


Master Shut Off Switch


The Battery Master Shut Off Switch is designed to turn off when the trailer-mounted hydraulic system is not in use. This minimizes amp draw on the battery, while not in use, which helps maximize a battery’s ability to keep a charge.


  • Max Operating Voltage: 32V DC
  • Max Continuous Current: 300A
  • Cranking Rating: (30sec) (1 x 4/0 cable) 1,250A
  • Inrush Rating: (2 sec) 3,500A
  • Terminal Stud Size: 3/8”-16 (accepts M10 terminals)
  • Terminal Stud Length: 7/8” (22mm)
  • Ingress Rating: IP67 and IP69K
  • Ignition Protection: Meets ISO 8846 and SAE J1171