You charge a towing EV the same way as any other EV: at public fast chargers on driving days and at Level 2 while you sleep. What changes is the planning. Towing uses noticeably more energy per mile, stops come sooner, and many charging sites were laid out for cars alone, so you may need to unhitch before you plug in.
Key Takeaways
- Towing raises consumption; plan shorter legs from the car’s real towing figures, not its solo range.
- Expect to unhitch at car-sized charging bays, and never block lanes or other chargers.
- Overnight Level 2 charging at your destination does most of the work on a towing trip.
- Carry a portable charger for campground pedestals, ask permission, and set current to 80% of the breaker or less.
Plan Shorter Legs Between Charges
A trailer adds weight and wind resistance, so consumption rises. How much depends on the trailer’s size, shape, load and your speed, and there is no single percentage that fits every rig. Plan from the consumption figure your car shows while towing, not from its solo range estimate, and keep a bigger reserve than usual:
- Shorten the distance between planned stops compared with driving without a trailer.
- Arrive with a buffer for detours, headwinds and a charger that is busy or out of service.
- Know your backup station before you need it; our guide to where to find EV charging stations shows the main tools.
- Slow down if a leg looks tight: aerodynamic drag is the biggest lever you control.
| Planning point | Driving solo | Towing a trailer or camper |
|---|---|---|
| Leg length | Based on normal range estimate | Shorter, based on real towing consumption |
| Reserve on arrival | Small buffer is usually fine | Keep a larger buffer for wind and detours |
| Station choice | Almost any site works | Prefer roomy sites; expect to unhitch at car-sized bays |
| Overnight charging | Nice to have | Does most of the work; plan stays around it |
At the Charger: Unhitching and Layout
Most DC fast chargers sit in ordinary parking bays. A car-plus-trailer combination often cannot enter, turn, or reach the cable without blocking other bays or a driving lane. The routine that works:
- Look at the site layout before you arrive, using map photos or satellite view where available.
- If the bays are car-sized, unhitch on level ground in a safe spot first, then drive to the charger solo.
- Never stretch a charging cable across a walkway or lane, and never block other chargers while you wait.
- Re-hitch before you move off, and check lights and chains as you would after any stop.
If you are new to public charging itself, how to use a public EV charger walks through the session step by step. DC fast chargers deliver roughly 180–240 miles of range per hour at 50–350 kW according to the U.S. DOT, but a towing rig spends those miles faster, which is why the overnight charge matters so much.
Let Destination Charging Do the Heavy Lifting
The cheapest towing strategy is to start every driving day full. That means charging where the rig parks overnight: a campground pedestal with the park’s permission, or a hotel with charging, as covered in do hotels have charging stations for electric cars. A portable charger in the tow vehicle covers the campground case: the EV-AC04001U 40A J1772 portable charger plugs into a NEMA 14-50 pedestal and has a 25 ft cable, and its current can be set in the car or on the unit to respect a smaller site’s limits. Ask before you plug in, and set the current to 80% of the site’s breaker rating or less.
Frequently Asked Questions
How much range do I lose when towing?
It varies too much for one number. Trailer weight, frontal area, speed and terrain all matter. Trust the consumption your car displays while towing and plan legs from that figure, with a reserve.
Can I charge with the trailer still attached?
Sometimes, at roomy pull-in sites where the cable reaches without strain and you block nothing. At typical car-sized bays, unhitching first is the safer and more considerate option.
Does towing harm the battery or the charger?
No. Towing within the vehicle’s rated limits is a load question, not a charging problem. Charging works exactly as it does solo; follow the tow ratings and charging guidance in your owner’s manual.
Related Reading
- Where to Find EV Charging Stations: Maps, Apps and Tips
- How to Use a Public EV Charger (and How to Stop It)
- Do Hotels Have Charging Stations for Electric Cars?
- Do Portable EV Chargers Work? How Speed Depends on the Outlet
