
The e-bike revolution began with the pandemic and has been hailed as the reply to every little thing from visitors congestion to greenhouse gasoline emissions to health to melancholy. Certainly, it has the potential to spark actual change, however there’s a deadlier aspect that’s laying aside some shoppers.
We’ve all seen the headlines during the last couple of years. “Mother and two children killed in fireplace attributable to e-bike battery”; “4 useless, 2 critically injured in NYC e-bike retailer fireplace”; “FDNY says e-bike fires on tempo to double this yr.”
The prevalence of warnings about fires sparked by e-bikes and different gentle electrical autos is in stark distinction to the present city zeitgeist touting electrical micromobility as the reply to creating safer streets, extra environment friendly transportation and greener cities. So which is it? Are e-bikes and e-scooters going to kill us all in a lithium-induced blaze? Or will they save the world by changing would-be drivers to micromobility customers?
Amid the hype and the hellfire, there’s been a whole lot of confusion round what varieties of autos are vulnerable to beginning a fireplace, why lithium battery fires are so prevalent and so lethal, find out how to keep protected and what governments are doing to alleviate the danger as electrical bikes and scooters take maintain.
The dangerous information is that e-bike, e-scooter and e-moped battery fires aren’t going away anytime quickly. The excellent news is that we are able to cease the unfold by elevating consciousness about why they occur and find out how to keep away from them.
Why do battery fires occur?
A person rides an e-bike via Occasions Sq. on February 21, 2023, in New York Metropolis. New York Metropolis Fireplace Commissioner Laura Kavanagh has referred to as upon the Shopper Product Security Fee to take motion and assist stop what it calls sub-standard lithium-ion batteries after NYC skilled tons of of e-bike and e-scooter battery fires. Picture Credit: Leonardo Munoz / VIEWpress by way of Getty Photographs
There’s a chemical and a sensible reply to this query. The chemical reply is that lithium-ion cells bear a course of referred to as thermal runway, which ends up in a pointy improve of battery cell temperature and stress, accompanied by the discharge of flammable gasoline. The flammable gasoline can ignite from the battery’s excessive temperature, leading to a fast fireplace that’s arduous to place out and emits poisonous fumes.
What causes this launch of flammable gasoline and the excessive battery warmth? That reply varies, however there’s some consensus.
Specialists who spoke to TechCrunch say low-cost e-bikes and low-quality batteries — usually imported from China — usually tend to explode resulting from a lower-quality manufacturing course of. If battery corporations reduce corners or use low-cost supplies, there’s extra prone to be a defect that may lead the cells to develop and bulge, in accordance with Leo Raudys, president and CEO of Call2Recycle, a nonprofit battery-recycling program. In the event that they bulge, they’ll burst, which may additionally trigger thermal runway.
“You simply have to recollect, you get what you pay for,” Raudys instructed TechCrunch. “These batteries are extremely engineered gadgets, and in case you’re solely spending a pair hundred bucks on a battery, you’re most likely getting one which’s chopping corners in plenty of completely different locations.”
In New York Metropolis, the place meals supply employees depend on e-bikes to do their jobs, fires have been rising at a startling charge — doubling every year from 2020 to 2022, in accordance with Fireplace Division of New York knowledge. As of July 3, 2023, there have been 114 investigations into lithium ion fires, 74 accidents and 13 deaths. That’s 13 deaths this yr because of lithium batteries, in comparison with six in 2022 and 4 in 2021. Whereas the FDNY doesn’t break down their stats into what varieties of gadgets brought on the fires, 80 of the fires occurred in constructions like houses, buildings and places of work.
Many have speculated that lots of the fires occurred as a result of so-called deliveristas — gig supply employees with low incomes — have bought low-cost autos on-line or secondhand so as to do their jobs. Not solely are these bikes and batteries off to a nasty begin already by dint of being low-cost, however they’re additionally put via their paces.
Deliveristas can experience as much as 100 miles per day, in accordance with employees who spoke to TechCrunch. In the event that they ever crash their e-bike or drop it or injury the battery in any manner, that may improve the probability of a battery explosion. Notably if the employee, who is probably going exhausted from a protracted day on the streets, leaves their battery to cost in a single day whereas they sleep. Overcharging batteries can result in overheating, which may ignite the aforementioned flammable gasoline in lithium batteries.
Even high-quality batteries have the potential to trigger a fireplace if tampered with. George Kerchner, government director of the Rechargeable Battery Affiliation, an business commerce group, instructed TechCrunch refurbishing batteries or doing DIY modifications can result in fires as a result of tinkering may compromise the security includes a battery was constructed with.
How can I keep protected?

There are a lot of variations of UL security certification marks, however they sometimes appear like one of many above. Picture Credit score: UL Options
Battery fires can occur to anybody, however there are a selection of security practices which you could take to observe good battery hygiene.
A very powerful factor you are able to do is to buy tools with the Underwriters Laboratories mark, which can inform you that the product has been security examined and licensed. Search for a “UL” in a circle. And bear in mind, this goes for something with lithium-ion batteries, not simply electrical micromobility autos.
Be sure that to comply with the producer’s directions for charging and storage, and at all times use the producer’s wire and energy adapter that’s made particularly for the gadget.
Don’t cost your gadget beneath your pillow, in your mattress or on a sofa, and check out to not overcharge your batteries or place them in direct daylight. When you can, cost them away from exits so to make a fast escape within the occasion of a hearth.
In case your battery overheats otherwise you discover an odd scent, odd noise, change within the form or colour, or anything that rings your alarm bells, take motion. If it’s protected, transfer the gadget away from something that may catch fireplace and name the police.
Disposing of batteries correctly can also be important. Don’t put them within the trash or recycle them at residence. Try native battery recycling places close to you. Call2Recycle has a very user-friendly program with over 50 e-bike manufacturers collaborating. Whether or not you acquire your bike new or used, you possibly can take your previous battery to any collaborating bike store and so they’ll handle recycling it for you.
And in case you don’t have an e-bike, however you reside close to a store that sells or refurbishes them, hold a watch out. Nobody likes a snitch, however outlets that aren’t storing, charging or disposing of batteries appropriately have been the reason for a number of fires, and New Yorkers are reporting them.
In New York Metropolis in June, a fireplace began at an e-bike retailer that ended up killing 4 folks and critically injuring two others. Per week later, the FDNY found a “ticking time bomb” of dozens of lithium-ion batteries at a special retailer in decrease Manhattan, as a part of the company’s crackdown on unlawful batteries. The FDNY discovered a number of fireplace hazards, broken batteries and overloaded energy strips.
What about used e-bikes?
“Have it checked out. Be sure that it’s roadworthy,” mentioned Raudys. “I don’t suppose the danger essentially goes up simply because it’s used, however like something, it’s purchaser beware. So in case you’re shopping for a motorbike that’s low-cost, it’s obtained an previous battery, it’s beat up or simply obtained the battery changed and also you don’t acknowledge the producer, suppose twice as a result of the standard of the battery is paramount.”
Many respected e-bike outlets at present can examine your battery well being for you, particularly if you are going to buy a motorbike that’s run on Bosch’s related e-bike system, of which there are numerous.
What’s the authorities doing to maintain you protected?

U.S. Consultant Ritchie Torres, a Democrat who represents the South Bronx, proposed federal laws on March 7 that may require the Shopper Product Security Fee to ascertain a ultimate client product security customary for e-bikes and e-scooters to guard in opposition to the danger of fires.
On the federal degree, little or no. However there’s hope.
A number of payments have been launched to Congress to manage the import of uncertified and low high quality batteries, in addition to incentivize shoppers to purchase prime quality e-bikes.
A brand new bipartisan invoice, referred to as the Import Safety and Equity Act, would restrict the import of unregulated e-bikes and batteries into the U.S.
At present, China and different nations can promote merchandise on to U.S. shoppers with out customs and border patrol inspections if the merchandise are beneath $800. A sub-$800 e-bike is strictly the kind of bike that’s extra prone to have an uncertified battery or a poor battery administration system. The laws would strike the availability that enables for merchandise beneath $800 to go unchecked.
One other proposed invoice, launched to the Senate in March, would require the Shopper Product Security Fee to ascertain a ultimate client product security customary for e-bikes and e-scooters to guard in opposition to the danger of fires.
Lastly, policymakers reintroduced the Electrical Incentive Kickstart for the Atmosphere (E-BIKE) Act in March, a invoice that would supply Individuals with a federal rebate of as much as $1,500 in direction of the acquisition of an e-bike. If handed, this invoice may assist make high quality e-bikes extra accessible to lower-income Individuals.
Crucially, solely e-bikes with UL-certified batteries, or equivalently licensed batteries, are eligible for tax credit.
The E-BIKE Act was initially launched in 2021 as a part of the Biden administration’s Construct Again Higher (BBB) Act, which handed the Home of Representatives however didn’t clear the Senate. The Inflation Discount Act (IRA), which is a negotiated model of the BBB, did cross and was signed into regulation in August 2022. The E-BIKE Act, nonetheless, was unnoticed of the invoice’s language.
Observe that the IRA does present Individuals with tax credit of as much as $7,500 to incentivize the acquisition of electrical vehicles, a decidedly much less inexperienced transportation choice.
The federal authorities additionally did give New York Metropolis, the epicenter of battery fires, a $25 million emergency grant to fund the set up of 170 micromobility charging and storage stations throughout 50 places. The aim is to supply deliveristas protected locations to recharge their batteries.
NYC additionally issued a ban on the sale of non-UL licensed batteries, however consultants say that will likely be arduous to implement.
Some say assist for protected charging practices and entry to prime quality batteries shouldn’t simply fall on the federal government, but in addition on app-based gig corporations like Uber Eats, Grubhub and DoorDash. In cities like New York, deliveristas on e-bikes are the spine of these companies.
“An e-bike with a battery prices $1600 to $1700 or extra,” William Medina, a member of Los Deliveristas Unidos, a collective of New York Metropolis’s supply employees, instructed TechCrunch. “These are working prices that the employee is incurring. He’s assuming 100% of the price of equipment so as to work, and the apps don’t do something. They need to be accountable to assist us not directly.”