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This teardrop trailer could be perfect for electric vehicle camping


I’m a big believer in taking electric vehicles camping. But charging infrastructure in the US is still patchy enough that a week in the wilderness might induce too much range anxiety to be practical. That’s particularly true if your idea of camping involves a trailer rather than a tent; nothing saps an EV’s range quite like towing.

A new camper from Colorado Teardrops might solve this issue. The camper is called the Boulder, after the company’s home base, where it has been building teardrop trailers since 2014. But this one is a bit different from the company’s more conventional teardrop campers.

Usually, towing has a double-whammy effect on EV range, massively increasing drag while adding a lot of extra mass; this combination is often enough to halve an EV’s range on a full charge. The Boulder’s shape has been subjected to computational fluid dynamics simulations to combat the deleterious effects of added wind resistance and ensure that the camper is as low-drag as possible. The company also applied lightweighting to the trailer to get the overall weight down to 1,950 lbs (885 kg).

Much of that weight is due to the Boulder’s battery pack, which is built into the trailer’s frame. The idea is that the trailer’s 75 kWh lithium-ion pack can recharge your EV at your destination.

“The ability to return an electric vehicle to its original range and provide recharging capabilities through renewables will extend camping opportunities far beyond the current range and enable a new level of environmentally responsible camping possibilities. We estimate the Boulder will restore EV ranges to their pre-towing range, or better, and be used 2x–3x times more than traditional RVs because it is so easy to take with you while also removing the anxiety of reaching the next charging station,” said Colorado Teardrops founder Dean Wiltshire.

The $55,000 Boulder will even fast-charge an EV. Colorado Teardrops told Ars that it plans to offer the Boulder with a CCS 1 socket and the ability to output at 50–60 kW (it will also fast-charge at this rate).

Additionally, the company said that “the interim plan for proprietary vehicle systems would be to provide the appropriate proprietary kit to match the customer’s towing vehicle, at least until we reach a point where there is a national standard.”

Listing image by Colorado Teardrop Campers



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