RoaDCharger 20 Amp Auxiliary Battery Charger with 7-Way connector

In stock
SKU: RC20-7W
Regular price $ 599.00

We offer the following methods of delivery:

  • Same day Freight Shipping when ordered Mon-Fri before 12pm central time. (excluding holidays)
  • Pickup from our Mandeville, Louisiana warehouse
  • In some cases, free shipping - please contact us: or call 985-888-6554

**Purchase a hydraulic pump with your RoadCharger and save $75!

Get more work done with this innovative vehicle to trailer auxiliary battery charger by constantly recharging your trailer batteries on the go. This DC-to-DC battery charger improves the condition of your 12V trailer-mounted battery faster than the competition. This powerful 20 Amp DC-to-DC battery charger charges your auxiliary batteries faster than competing brands, all while driving down the road. Increase your productivity and reduce downtime due to dead battery mishaps. The included 7-way connector allow for ease of hook-up with no wire cutting or additional purchases. 

Simply charge your dump trailer batteries while the trailer is in tow and never miss a dump cycle again. This product is guaranteed to increase your productivity and reduce replacement battery costs.


  • Application: 12V Vehicle systems with Standard or Smart Alternators
  • Supported Battery Types: AGM, Gel, Standard Lead-acid, Calcium, and Lithium-ion Batteries
  • Input Voltage: +9.5 to +16V DC
  • Max Output Current: 20 Amps
  • Storage Temperature Range: -67° F to 257° F (-55° C to +125° C)
  • Ambient Air Operating Temperature: -40° F to 185° F (-40° C to +85° C)
  • Dimensions: 5.6” x 7.5” x 2.3”
  • Weight: 8.8 lbs
  • Compliance: FMVSS 121, SAE J227, TMC RP141
  • Ingress (IP) Rating: IP67, IP69K

Download: RoadCharger Manual

 ***NOTE: 35 Amp RoadCharger direct-wire is available for $699.00 upon request. Simply call us at 985-888-6554


**Discount can be combined with other offers and is automatically applied at checkout