Battery May Catch Fire While Charging – 2018-2019 Easymile EZ10 Autonomous Passenger Shuttles

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December 13, 2022 NHTSA CAMPAIGN NUMBER: 22V924000

Battery May Catch Fire While Charging

A defective battery increases the risk of fire.

 

NHTSA Campaign Number: 22V924

Manufacturer Easymile Inc.

Components ELECTRICAL SYSTEM

Potential Number of Units Affected 4

 

Summary

Easymile Inc. (Easymile) is recalling certain 2018-2019 EZ10 autonomous passenger shuttles. The 48-volt battery may be defective, allowing the battery to catch fire while charging.

 

Remedy

Owners were advised not to operate their vehicles until the remedy had been completed. Easymile has replaced the 48-volt battery, free of charge. All vehicles were repaired by January 2023. Customers may contact Easymile at Info@easymile.com.

 

Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

 


Chronology :

September 20th, 2022: Two Gen2 EZ10 vehicles were parked and charging at the same location. One vehicle caught fire and the other was smoking.

September 21, 2022: EasyMile initiated an investigation into the cause of the September 20, 2022 Gen2 EZ10 vehicle fire incident and the cause of the separate September 20, 2022 Gen2 EZ10 vehicle smoking incident.

September 22, 2022 to November 25, 2022: Examinations of the two Gen2 EZ10 vehicles involved in the September 20, 2022 fire and smoking incidents indicated the fire and smoke were caused by the vehiclesโ€™ 48V batteries. EasyMile communicated with NHTSA in late September and early October regarding the September 21 incidents. As a precautionary measure, and at NHTSAโ€™s direction, EasyMile instructed the two owners of the other Gen2 EZ10 vehicles equipped with 48V batteries to disconnect the batteries from the Gen2 EZ10 vehicles and to stop using the affected batteries. During its communications with NHTSA, NHTSA verbally told EasyMile to file a 573 report. Based on the available information, EasyMile determined that the 48V batteries on the four Gen2 EZ10 vehicles may be defective. After reviewing this information, Easymile determined the potential fire risk constituted a safety-related defect.

 


2 Affected Products

Vehicle

MAKEMODELYEAR
EASYMILEEZ102018-2019

 


3 Associated Documents

Recall Acknowledgement

RCAK-22V924-2244.pdf 644.82KB

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Recall 573 Report

RCLRPT-22V924-9056.PDF 213.957KB

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Recall Quarterly Report #1, 2023-1

RCLQRT-22V924-1646.PDF 211.11KB

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Latest Recalls Documents

 


 

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  • ใ€Built-In BMS & Convenience & Maintenance Freeใ€‘: CHINS LiFePO4 battery has built-in BMS (Battery Management System) to protect it from overcharge, over-discharge, over-current, and short circuit with excellent self-discharge rate. Built-in high temp cut off prevents charging over 122 ยฐF (50 ยฐC). Plus, Li-Ion batteries can be safer than Lead Acid batteries, which have no protection against ground faults.
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  • ๐ŸŒใ€Longer shelf lifeใ€‘Up to 10 years service life, up to 4000~15000 deep cycles. It can work at -20โ„ƒ~60โ„ƒ and charge at -5โ„ƒ~55โ„ƒ. 4000 cycles @100% DOD, 8000+ cycles @80% DOD and up to 15000+ cycles @60% DOD. (The ideal data is based on proper usage).
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  • [Upgraded High Performance 200A BMS] Built in an upgraded 200A BMS, OGRPHY 48v lithium battery golf cart is able to release max 200 amps continuous discharge current, the peak discharge current of OGRPHY 48v golf cart battery is 1000 amps and last 3-5 seconds, 300 amps will last 32 seconds, 600 amps will last 32 seconds. No worry about the cut off of the lifepo4 battery any more. 70lbs thrust trolling motor and 8kW golf motor will be okay for OGRPHY 48V 100AH LiFePO4 battery.
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  • Installation Guidance: It can supply power for 48-volt equipment like YamahaeBay, EZ GO, Club Cart golf carts, which can fully save space. Compared with lead-acid batteries, the space utilization of the 48V lithium battery is only 68% of that of the original. As a result, the vehicle body is lighter and the internal space is larger.Moreover, we also offer installation/modification guidance. You can consult us about any problems regarding the replacement of lithium batteries (please make sure that the cockpit size is suitable for the golf cart first).
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VEVOR 48V 105Ah Golf Cart Lithium Battery, 48 Volt Golf Cart Battery with 200A BMS, LCD Monitor and Mobile APP, LiFePO4 Battery with 600A Peak Current, 20A Charger and 4000+ Cycles, for Golf Carts
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  • Easy Hill Climbing: This LiFePO4 golf cart battery features a 2C discharge rate, providing impressive power. With continuous discharge at 200A, maximum discharge of 400A (35S), and peak discharge of 600A (3S), it climbs hills quickly and enhances your golf game performance.
  • Outstanding Lifespan: It is designed for 48V golf carts; this golf cart lithium battery's compact and integrated design makes it easier to install than bulky lead-acid batteries. Weighing only 87.3 lbs (39.6kg) boosts your golf cart's speed. With over 4000 cycles, it outlasts traditional lead-acid batteries.
  • 2.3 in LCD Screen: Connect the 48V golf cart lithium battery via a mobile app or use the LCD screen to instantly view or control battery information, such as charge/discharge status. Bluetooth interaction makes it easy to operate.
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VATRER POWER 48V 105Ah Lithium Golf Cart Battery, Built-in Smart 200A BMS, with Touch Monitor & Mobile APP, 4000+ Cycles Rechargeable LiFePO4 Battery, Max 10.24kW Power Output, Perfect for Golf Carts
  • ใ€Top-Flight Performance ใ€‘48V 105Ah golf cart LiFePO4 battery is manufactured by top-of-the-line Grade A Prismatic LiFePO4 Cells and has a compact 5.37kWh energy, which is equivalent to 4pcs 12V 100Ah LiFePO4 in 4S (even 8pcs 12V 100Ah AGM batteries in 8S). It has a great 10.24kW power with low self-discharge rate, low capacity loss, more stable performance, and continuous discharge current up to 200A (Peak 400A 35S, 600A 3S), which is 50% more powerful than the other same-size lithium battery.
  • ใ€Get Rid of Lead-acid Nowใ€‘Vatrer Power 48V 105Ah lithium golf cart battery unleashes an impressive surge of power, delivering exceptional acceleration and performance. Conquer even the toughest terrains with ease and take your golf game to new heights. Say goodbye to range anxiety! Allowing you to enjoy continuous golfing for up to 50 miles on a single charge.
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  • ใ€Born for Golf Carts & LCD Touchscreenใ€‘The lithium battery is specially designed and engineered to meet the rigorous demands of the 48V golf cart industry, with more powerful energy and excellent performance, compatible with the main brand golf cart controllers in the market. And comes with a 58.4V 20A LiFePO4 charger, which supports fast charging, 0% to 100% in just 5.5 hours. Equipped with a 2.8-inch touch screen you can view and control the battery in real time on the LCD screen.
  • ใ€Exceptional Longevity & Easy Installationใ€‘ Our lithium golf cart batteries provide 4000+ cycles compared to 300~500 cycles in the lead acid battery. Helping to minimize replacement costs and reduce the total cost of ownership. And the weight of the 48V 105Ah battery is 50% lighter than the lead-acid golf cart battery of the same capacity and no complicated wiring requirements, making them easier to handle and install in golf carts where space is limited.

 


Last update on 2025-04-17 / Affiliate links / Images from Amazon Product Advertising API


 

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