Levi

Levi is a financial analyst based in the South Bay. He enjoys the outdoors, late-night cookouts, low-stakes hold ’em, and high-speed electric vehicles. Smokey BBQ, cheap tacos, cold beer, organic produce, and fast e-bikes are the only things Levi knows. Levi constantly ponders the advancement of high-performance electric vehicles and their relationship to the changing climate.

Kaabo Issuiing Battery Safety Kits to address Wolf King GT Pro Fires

Safety should be prioritized by riders, manufacturers, resellers, and the PEV community.

• First, check with your reseller about this battery hazard issue immediately. This issue may not apply to your scooter. You should check with your reseller first.
• Your reseller will have the most up-to-date information about defects, risks, warranties, and repair kits.
• We’ll update this article when we get more information

No Current Resources Document PEV defects

As no personal electric vehicle should be unsafe to ride in, we are compiling a list of defects that will include any significant problems reported by riders via online threads (Facebook Groups, Reddit, etc).

• King Song S22 EUC is here!

Issue

The latest batch of Kaabo Wolf King GT Pro electric scooters has a wiring and controller defect that can result in battery fires, and thermal runaway.

• It’s unclear at the moment which GT models are at risk and which are safe.
• It’s unclear if there are other issues regarding chargers, misuse, or other unknown factors that can lead these units to thermal runaway.
• The latest case of fire was reported in New York City, the image below

Video of Fire involving the Kaabo Wolf King GT in Czech Republic

Here’s a video of the Kaabo Wolf King GT burning up in Czech. It’s unclear how this fire started, we suspect it may be party of the bad batch of controllers.

Dnešní požár své elektrokoloběžky v Dobrušce zachytil na video majitel, s jehož svolením záznam uveřejňujeme. V tomto případě byla na vině technická závada a majitel nic nezanedbal. I přesto varujeme, pořádně si rozmyslete, kde zařízení s akumulátory skladovat a parkovat.☝🏻❗️ pic.twitter.com/eqTtDw4BgB

— HZS Královéhradeckého kraje (@hzskhk) August 16, 2022

Riders post pictures and videos of their Wolf King catching fire.

Each owner should contact their reseller for guidance on what to do and to ascertain whether their scooters are affected.

• Check with your reseller about this issue immediately.
• Users have reported their Wolf King GT scooters catching on fire.
• Kaabo has investigated and determined it’s an issue with a controller defect.
• Kaabo is issuing battery fuses and new chargers to isolate the battery from short circuits.
• Kits are being sent out to resellers for distribution.
• Riders may install kit
• Check with your reseller about alternative install options
• Controller/Battery fire is a huge liability and can cause great harm if not addressed.

Controller and Wiring Defect

Several cases of Kaabo fires have been reported.

During the investigation, Kaabo concluded that the Wolf King speed controllers are short-circuiting.

Riders may notice a few issues:

• Limited performance while riding and acceleration
• The controller and display turn on and off unexpectedly.
• Clicking and popping sounds from the drivetrain
• The scooter display is not turning on.
• The short circuit of the controller can cause the battery pack BMS to fail, allowing for current to strain an unprotected battery pack, causing thermal runaway and fire.

Documentation

We haven’t seen any official documentation from Kaabo, and there are plenty of rider comments and posts on the Kaabo Electric Scooters Facebook group.

Resolution

Wolf King battery Kits are on their way to North America, and each kit is fitted with new chargers/fuses that isolate the battery in case of a short circuit.

• New chargers included
• New fuses included
• The owner can repair with new parts

Personal Electric Vehicle Fires

This issue with Kaabo Wolf King scooters is disappointing.

Lithium battery fires have plagued New York City for the past three years. The rise in local riders’ and the food delivery industry’s use of electric mopeds has boosted electric vehicle usage, along with it abuse. Overloading outlets, misusing chargers, and usage of aftermarket batteries have led to severe property damage, injury to fire fighters, and even fatal tragedies.

• No PEV is perfect; most scooter companies, including Kaabo, have had manufacturing defects. None of that has involved thermal runaway in recent years.
• As personal electric vehicle usage increases, so do lithium battery fires.
• We’re working on a resource to call out and document any significant issues, defects, and safety concerns for each model in the electric scooter, electric unicycle, and electric bicycle community.
• The aim is to protect the community and improve the industry’s QA, QC, and safety standards.
• If damaged or misused, any lithium-powered device can have a risk of fire or explosion hazard

There have been reports of whole houses and even apartments being destroyed due to the improper use of chargers.

Electric unicycle battery fires have also been a big topic for riders unfamiliar with personal electric vehicles. Begode, the manufacturer of some of the most potent electric unicycles on the market, has also experienced concerns with their battery packs catching fire.

• EUC brands (INMOTION, King Song, and Veteran) have had manufacturing defects and fire incidents as well
• Scooter brands: Zero, VSETT, Dualtron, INOKIM, WEPED, Segway, Hiboy, Apollo, and more have had manufacturing defect issues as well, but none that has involved thermal runaway in recent months.

Kaabo Scooter Defects

This is not the first time Kaabo’s lineup of scooters has been defective. Folding stem failure afflicted earlier models of the Mantis scooter. Riders had their stems snap on them mid-ride. After months of consumer concerns, Kaabo has resolved the issue by distributing replacement stem components globally.

• Previous Wolf Warrior and King scooters have also experienced issues with the forks breaking off the motors.
• Reports suggest the issue was with cast aluminum forks and over-torquing the bolts

Given that the King GT Pro is one of the most powerful, popular, and reasonably-priced electric scooters on the market, we expect Kaabo to openly address this issue and provide a full explanation and remediation for existing and future models.

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- Team VROOOMIN

⚡New: 2022 Best Electric Scooters
⚡New: 2022 Best Electric Unicycles

Editor's Note: VROOOMIN.COM reports the advertised speed and range from the manufacturer. The exact results will vary depending on the rider's weight, overall payload, road conditions, and charge level. Most PEVs will deliver at least 60-70 percent of the quoted range, if not more. The top speed and range will be decreased for heavier riders.

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