We need to talk about Rad Power Bikes’ new e-bike batteries
Electric bikes just may be the biggest transportation revolution of our generation, helping millions replace car usage with more affordable, more efficient alternatives. But there’s no denying that concerns have been swirling about the safety of e-bike batteries, even if such fire fears have primarily been overblown by much of the media.
Leading electric bicycle maker Rad Power Bikes has just unveiled its new “Safe Shield Battery” in an effort to mitigate worries over e-bike battery safety. And it’s something we need to talk about.
The whole underlying issue here is based on the fact that e-bike batteries are usually comprised of dozens of smaller, energy-dense lithium-ion battery cells. Those cells are similar – and sometimes identical – to the battery cells used in everything from electric cars to power tool battery packs.
The individual battery cells store lots of energy and are generally quite safe. However, danger can occur when the cells are punctured or short-circuited, with the latter often happening when water makes its way into battery packs over time. Well-made e-bike batteries use several methods to mitigate these risks, and the result is that battery fires are exceedingly rare. Even in e-bikes, which seem to unfairly receive the brunt of lithium-ion battery fire scaremongering, such fires occur in a tiny, tiny fraction of a percent of e-bikes.
To put things into perspective, New York City often gets labeled as the epicenter of e-bike fires, yet New Yorkers are somewhere around 5x more likely to die on the subway than from an e-bike fire.
However rare though, e-bike fires can and do occur in poorly made batteries or in battery packs that have been abused, damaged, or otherwise misused. And that’s exactly what it looks like Rad Power Bikes set out to solve with its new Safe Shield e-bike batteries.
The secret sauce in Rad’s batteries isn’t actually the battery cells themselves. Those are fairly standard cells like you’ll find in many other e-bike batteries. The major difference is how the battery packs are constructed.
They use a method known as potting, which basically encapsulates electronics in a waterproof resin barrier. It’s common in electronics that will live much of their lives outdoors, as it seals the sensitive components from moisture.
Remember that mosquito from Jurassic Park that was encased in tree resin amber? That’s kind of the idea with potted batteries, just with a urethane resin instead of tree sap. The battery pack already uses quality construction methods, but then to top it off, the entire thing is filled with resin that makes it impermeable to water – or intruding fingers, tools, or anything else. It’s forever sealed away from the world (though Rad says it’s still recyclable in their battery recycling program).
But it’s not just any resin, the idea is that it is also thermally insulating, which means that if one battery cell ever did go rouge and start overheating (an incredibly, incredibly rare event in well-made battery cells), the barrier would help protect any nearby cells from joining in and developing what is known as a “thermal runaway” condition that is what ultimately leads to the spread of most battery fires.
We spoke to one of the country’s leading battery experts Luke Workman on our Wheel-E podcast last year, who has often performed forensic evaluations in the aftermath of battery fires. When we asked him if there was anything that could be done to help mitigate the fire risks we were seeing in the e-bike industry, such as the widespread adoption of UL certification, he had a simple answer: “Potting.”
Workman explained that he’s performed post-fire forensic analysis on plenty of UL-certified battery packs, indicating that such certification isn’t a guarantee of safety. “You can pass UL water ingress tests with a bit of strategically placed tape over the battery seams,” he explained at the time. But potting was the truly safest method of building batteries that wasn’t intended to merely pass a certification test, but rather to actually ensure the battery cells were isolated and protected.
At the time, there was just one major company producing potted e-bike batteries, Luna Cycle, but it hasn’t gained significant traction anywhere else in the e-bike industry.
At least not until now.
With Rad Power Bikes adopting potted battery design practices, the entire industry has been put on notice. Until new technologies like fireproof solid-state batteries become commonplace, potted batteries are the single best defense against battery fires. And with one of the largest e-bike retailers in the country hopping aboard the potted train, others are all but sure to follow.
Rad has a history of setting examples that are quickly copied throughout the US e-bike industry. New e-bike models like the RadRunner spurred several copycats and jumpstarted the utility e-bike market. Rad’s expansions into several large brick-and-mortar stores pre-empted a major push by several other US e-bike companies to expand dealer networks with independent bike shops. Rad’s electric trike was quickly followed by several other competitors seeking to undercut its price.
In none of these examples was Rad the first e-bike company to make a major move, but it was the first big e-bike company to do so, and thus helped shift the industry each time. And while there’s no guarantee how the industry will react, especially in a year where e-bike sales have lagged behind the post-pandemic boom, there’s no doubt that a major e-bike maker finally adopting potted battery technology is a sign of where the industry is headed. How long it takes us to get there though, that’s anyone’s guess.
resin pouring image via: Pexels
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The average US new car price crossed the $50,000 mark for the first time in September, according to new estimates from Kelley Blue Book (KBB). Prices have been climbing steadily for over a year, and the pace picked up this summer – but that hasn’t stopped Americans from buying.
KBB says September’s record average transaction price (ATP) was partly driven by luxury models and EVs, which pushed the market into record territory. EVs made up an estimated 11.6% of all new vehicles sold last month, which is also a record high. The average EV sold for $58,124 – up 3.5% from August’s adjusted figure.
In Q3, EV sales hit another milestone: 437,487 EVs were sold in the US, giving them a 10.5% market share. That’s nearly a 30% jump from the same period last year. With government-backed EV incentives expiring at the end of September, many buyers hurried to lock in their purchases.
Year-over-year, the average EV transaction price is basically flat, down just 0.4%. Incentives averaged 15.3% of ATP in September, or about $8,900 per vehicle – slightly lower than August but higher than a year ago, when incentives averaged 13%.
Tesla, which continues to dominate the EV market, saw an average ATP of $54,138 in September. That’s a slight dip from August and down 6.8% from a year earlier. With Tesla recently introducing the new Standard versions of the Model 3 and Model Y, KBB expects average prices across the segment to fall in the coming months. Erin Keating, executive analyst at Cox Automotive, thinks the market is “ripe for disruption.”
“It is important to remember that the new-vehicle market is inflationary. Prices go up over time, and today’s market is certainly reminding us of that,” said Keating. “The $20,000 vehicle is now mostly extinct, and many price-conscious buyers are sidelined or cruising in the used-vehicle market. Tariffs have introduced new cost pressure to the business, but the pricing story in September was mostly driven by the healthy mix of EVs and higher-end vehicles pushing the new-vehicle ATP into uncharted territory.”
Read more: US EV sales smash records in August as Tesla loses ground
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It’s official. The Genesis GV70 is about to get two new electrified options, including its first hybrid and extended-range (EREV) versions.
Two new Genesis GV70 electrified SUVs are coming soon
Genesis is turning 10, and it’s planning to go all out. Hyundai gave us a look at what’s coming last month during its CEO Investor Day.
The plans include Genesis expanding with new electrified powertrain offerings, including its first hybrid and extended-range electric vehicles.
Up until now, the luxury automaker has focused on fully electric (EV) or internal combustion engine (ICE) vehicles. By expanding into different electrified powertrains, Genesis hopes to attract new buyers to the brand while grabbing a bigger share of the luxury market.
Genesis will launch its first hybrid in 2026, the GV80. We knew the GV70 EREV would follow shortly after, but now it’s been confirmed that a hybrid model is also set to join the lineup.
We got our first look at the Genesis GV70 EREV last week. The vehicle was parked in South Korea and appeared to be nearly identical to the current model. Aside from a tag labeling it an EREV and a massive muffler at the back, it looks about the same as the Electrified GV70.
Now, we are finally getting a glimpse of the Hybrid version. The Genesis GV70 Hybrid was also caught by HealerTV in South Korea, this time with an HEV tag.
Like the EREV, the GV70 Hybrid is still covered in camouflage, but this time, you can see the vehicle has the brand’s sport package. The optional package adds sporty exterior and interior elements, including chrome around the Crest Grille and window trim.
The vehicle is still a prototype, so it could change by the time it reaches production form. However, as the reporter points out, the GV70 Hybrid could bring a unique new look to the GV70 series.
On the side of the tire, the letters “FL” are printed, which is typically shown on Hyundai vehicles set to receive a facelift.
Genesis is expected to launch the GV70 EREV in late 2026, followed by the Hybrid version sometime in early 2027.
According to Hyundai, the EREV will have a combined driving range of over 1,000 km (620 miles). Although it still runs on an electric motor, it will feature a small gas motor that acts as a generator to charge the battery and extend the driving range.
Genesis is betting on new electrified vehicles, including EVs, hybrids, and EREVs, to drive growth. The luxury brand aims to expand into up to 20 new European markets while gaining a bigger share of the US market. By 2030, Genesis aims to sell 350,000 vehicles.
Although it had planned to only offer fully electric vehicles from 2030, Genesis backed off on its commitment. Instead, it will use hybrids and EREVs as a bridge to an all-electric future.
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Duracell, the iconic US battery brand that started in the 1920s, is crossing the Atlantic to launch its first-ever EV fast charging network, Duracell E-Charge, in the UK.
Sales of gas and diesel cars will end by 2030 in the UK, which is driving EV sales and charging infrastructure growth. With more than £200 million ($266 million) in planned investment over the next decade, Duracell E-Charge is getting on the bandwagon with an aim to improve the fast charging experience.
Duracell has licensed its new network to Elektra Charge, a charge point operator set up to run the Duracell E-Charge network. The EV Network (EVN), one of the UK’s top charging infrastructure developers, will fund and build the charging hubs.
“The need for faster, more reliable charging to keep pace with EV adoption is clear,” said Reza Shaybani, CEO of The EV Network. “Duracell E-Charge is a direct response to that challenge.”
Duracell’s EV fast charging network will feature 400 kW ultra-fast chargers where drivers can pay via app, contactless, or plug-and-go. Each site will have intuitive interfaces, clear signage, and 24/7 support.
The first six Duracell E-Charge sites will come online in 2025. The Sunday Times reported that Duracell plans to grow its charging network to at least 100 charging stations with at least 500 charging points by 2030. The hubs will be strategically located along major motorways, near retail and hospitality venues, and at key city gateways.
“Charging your car should be as simple as changing the batteries in your remote,” said Mark Bloxham, managing director of Duracell E-Charge. “Plug. Play. Go.”
Electrek’s Take
I asked Duracell whether it had plans to launch Duracell E-Charge in the US, and I’ll update this story if I hear back. But if you want to know why this American legacy company launched its first DC fast charging network in the UK instead of the US, it’s a simple answer. Business-friendly, stable government policy.
Read more: InstaVolt is using GPS tracking to catch thieves stealing its EV charging cables
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Your personalized solar quotes are easy to compare online and you’ll get access to unbiased Energy Advisors to help you every step of the way. Get started here.
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