Enlarge/ The Clip attached to a late-90s vintage mountain bike. (credit: Eric Bangeman)
Shortly after World War II, a French manufacturer by the name of Solex started selling mopeds. These were not your "typical" moped that looks kind of like a motorcycle with pedals—the mopeds made by Solex were essentially bicycles with a small, two-stroke engine mounted over the front wheel that could propel the rider around 100 km on a single liter of gas mixture. The downside: Solex mopeds were loud and cumbersome to ride due to the weight distribution, and they never really caught on in North America.
Clip, a startup based in Brooklyn, New York, has come up with its own twist on the Solex. Its only product, the eponymously named Clip, is a friction drive unit that attaches to the front fork of any bicycle, turning it into an e-bike. At $499 for the Commuter model and $599 for the Explorer, it is a relatively inexpensive way to turn just about any bicycle into an e-bike for a fraction of the cost of a new one.
Weighing in at 8.8 lb (4 kg) for the Commuter model (the Explorer is a pound heavier), the Clip is at its essence a portable friction-drive. There's a detachable controller that mounts on the handlebar and the unit itself. The Explorer model, the one we reviewed, has a 192 Wh battery that takes an hour to fully charge. Its range is pegged at "up to 12 miles," a claim that is pretty accurate based on our testing, and the top speed is 15 mph. The Commuter model offers half the battery capacity, charge time, and range.
E-bikes are today a growing component of the global transition away from fossil fuels—possibly more than the car-and-truck-focused sustainability crowd appreciates. E-bikes’ rapid growth in recent years stems in part from their simple solution to the range issue that big, hulking cars typically don’t offer. E-bikes are powered by relatively small batteries that can be wrangled by the average person who can handle a carton of milk.
Because of that form factor, battery swapping for e-bikes is a quick and simple method for staying powered up, whereas for a traditional four-wheeled EV, swaps are a more involved process for doing the equivalent of filling a gas tank.
The Japanese conglomerate Yamaha Motor Co., best known for its motorcycles and motorboats, is now looking to expand into this growing marketplace, too. At the end of last year, Yamaha announced it’d formed a subsidiary called Enyring. The new entity, which is slated to kick off operations in Germany and the Netherlands in early 2025, says they’ll partner with manufacturers for maximum compatibility among models and types of e-bike. Also crucial to Yamaha’s plan is that the batteries will not be owned, but rented, by the e-bike owners. The rental contract will entitle a battery user to unlimited swaps as long as their account with Yamaha remains in good standing. And Yamaha says it already has plans in place for breaking down the cells so they can be recycled.
“Today, noisy, polluting, two-stroke gasoline engines are still ubiquitous across Asia,” says Sam Abuelsamid, Principal Research Analyst for Mobility Ecosystems at Guidehouse Insights “Converting those to electric power will go a long way toward helping countries reach their greenhouse gas emission-reduction targets. Battery swapping also addresses the infrastructure issues that come along with the growing presence of two- and three-wheeled vehicles.”
Abuelsamid notes that as this energy-replenishing modality becomes the norm, companies like Yamaha, China’s Nio, and Taiwan’s Gogoro (the latter two with hundreds of battery-swapping stations and self-service swapping kiosks already in operation) will raise the bar on quality control for these small EV batteries for their own economic self-interest.
“It makes sense to build better batteries with good battery management systems and software for enhanced thermal control,” says Abuelsamid. “Higher-quality batteries, handled in an ecosystem where corporate facilities manage the recharging process better than someone would at home, increases the chances that a battery will handle maybe 1,000 charge cycles before it no longer holds enough charge and needs to be recycled.” And longer life means more profitability for a company offering batteries-as-a-service.
According to analysis firm Markets and Markets, battery swapping was a US $1.7 billion industry in 2022. Industry revenues are expected to reach $11.8 billion by 2027. Yamaha is by no means a battery-swapping pioneer, but its entry into that space signals a powerful retort to skeptics who still believe that battery swapping will never be as commonplace as pulling up to a charging facility and plugging in. (However, attempts to reach Yamaha spokespeople for their comment on the Enyring spinoff proved unsuccessful.)
The enticing growth in the compact EV market has been spurred by the near ubiquitous use of e-bikes and electric scooters by couriers for delivery services that drop take-out food and groceries at online shoppers’ doors. Plus, for daily commutes, e-bikes are proving increasingly attractive as eco-friendly alternatives to fossil-fueled vehicles. Battery-swapping ventures like Yamaha’s will also put salve on pain points related to the rapidly growing presence of compact EVs. Among these are: a shortage of places where batteries can be charged; the length of time (now measured in hours) charging usually takes; human error when charging that could cause destructive, and perhaps deadly, battery fires; and uncertainty about what to do with a battery when it is spent and is no longer useful as an energy storage unit for propulsion.
Just as important is what battery swapping will do to solve another of plug-in electric vehicles’ bugbears. IEEE Spectrum reported on the issues surrounding battery charging and the lingering belief that EV batteries are fire hazards. Though empirical evidence shows that EVs, by and large, are much less likely than vehicles with internal combustion engines to catch fire, that hasn’t stopped some municipal governments from placing strict limits on the places where EV batteries can be plugged in. But with battery swapping growing in popularity, who would ultimately need to?
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