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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 NHTSAโs 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
MAKE | MODEL | YEAR |
EASYMILE | EZ10 | 2018-2019 |
3 Associated Documents
Recall Acknowledgement
Recall 573 Report
RCLRPT-22V924-9056.PDF 213.957KB
Recall Quarterly Report #1, 2023-1
RCLQRT-22V924-1646.PDF 211.11KB
Latest Recalls Documents
- ใMonitor & Bluetooth Function & APP Real-Time Informationใ: With the exclusive monitor, you can keep track of the battery information in real time while driving. With APP, you can easily keep track of the battery charging status at home without guessing. We are committed to simplifying life with technology, so that you can enjoy unprecedented convenience and peace of mind.
- ใUpgraded High Performance 200A BMSใ: Built in an upgraded 200A BMS, CHINS 48v lithium battery golf cart is able to release max 200 amps continuous discharge current, the peak discharge current of CHINS 48v golf cart battery is 1000 amps and last 3-5 seconds, 300 amps will last 57 seconds, 600 amps will last 27 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 CHINS 48V 100AH LiFePO4 battery.
- ใ30 Miles Range for 3KW Golf Motorใ: The electric capacity of CHINS 48V 100AH LiFePO4 battery is 5.12kWH. CHINS 48V 100AH lithium battery was able to run a golf cart with 3kw motor for 30 miles under tests. No worry about the capacity at all, CHINS 48V 100AH golf cart battery will bring you home after the full eighteen holes.
- ใBuilt-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.
- ใ58.4V 18A Lithium Battery Chargerใ: To reduce the charging time of big golf cart lithium battery, CHINS adopted this 58.4V 18A lithium battery charger. It takes only 6 hours to charge CHINS 48V 100AH lithium battery from 0% to 100%. Also this lifepo4 battery charger has 0V charger function to wake up the lifepo4 batteries under low voltage protection.
- Grade A Cells: LOSSIGY 48 Volt lifepo4 lithium golf cart batteries are manufactured of auto grade-A cells with higher energy density, more stable performance&greater power.
- Last for 10 Year:LOSSIGY battery provides at least 4000 cycles. The built-in BMS effectively protects the electric core from damage caused by high temperature, low temperature, short circuit, over-current and overload.
- Easy to install: LOSSIGY 48V 100AH lifepo4 battery is easier to install and move compared to traditional series lead-acid batteries. It is self-contained and perfectly suitable for golf carts with a 48V system.
- Amazing Peak Current: LOSSIGY has broken through the limit of three times the peak current of BMS, allowing the built-in 200A smart BMS to reach an astonishing peak current of 1000A (3-5s), almost meeting the controller requirements of all golf carts.
- LOSSIGY's Commitment: LOSSIGY provides every customer with 90 days of worry free after-sales service and 24-hour online professional technical support. Regardless of any issues you may have, we promise to provide the fastest possible solution
- Easy to Install: Compared to 6 pcs 8V Lead-acid Batteries, DC HOUSE 48V 100Ah lithium batteries only need to be installed once, eliminating the need for complex wiring. The internal battery cell of the 48V 100AH battery is fixed with metal clips, which can play a better role in stabilizing the battery cell and ensuring safety in various situations compared with other simple cell fixing methods, which can effectively extend the battery life of Class A cell by 30%, and the service life 4000 cycles which is 8 times that of lead-acid batteries
- 2 Ways to Monitor Battery: Supports Bluetooth APP &Bluetooth LCD Screen(2.76in*1.77in*0.98in) for seamless battery info monitoring. Wirelessly check capacity & monitor power levels for smarter, easier battery management. An intelligent display specifically designed for battery monitoring, it can more accurately monitor battery percentage, voltage, current, capacity, and more in real-time. Warm Tips: Since a Bluetooth battery can only be connected to one device at a time, the LCD monitor and mobile APP cannot be online at the same time. When using the LCD monitor, please disconnect the Bluetooth of the mobile APP first
- Low Temp Cut-Off: DC HOUSE 48V 100ah lifepo4 battery has upgraded Low Temperature Protection. When the temperature sensor of 100Ah lifepo4 detects that the temperature is below 20โ, the BMS will cut off the charging function, cut off the discharge when it is below 4โ, and automatically recover after the temperature rises to 32โ. Effectively protect the 48V 100Ah battery and extend the battery life
- Advanced 2C BMS: DC HOUSE 48V 100Ah lithium iron phosphate battery is built-in with an upgraded 200A intelligent BMS, the peak current can be up to 600A/1 seconds. Strong climbing ability, it can easily cope with a slope of about 20 degrees. Has a capacity of 5.12kWH, a battery life of 40-56 miles, and can easily complete 4-9 rounds of 18-hole tournaments
- Versatile Compatibility: Designed to power a range of 48V applications including golf carts, like YAMAHA
, Club Car, EZ GO, lawnmowers, RVs, trolling motors, marine vessels, and off-grid systems. Its stackable design and easy connectivity make it a space-efficient solution for your storage needs
- ๐ใAdvanced TechnologyใMini
version GLCE ENERGY 48V 50Ah LiFePO4 battery made of grade A cells, safe, non-toxic, renewable energy. Compared with sealed lead-acid battery, lithium LiFePO4 are lightweight, compact size, longer cycle life, higher energy density, more safety and cost-effective advantages.
- ๐ใSmall Size & Large CapacityใLifepo4 battery 48V 50Ah built with innovative design, 2560wh capacity, size only 345mm*190mm*245mm, weight: 17.65kg(38.9lbs), space-saving without compromising the effect, definitely a good choice for your travelling camping and home storage system.
- ๐ใLonger shelf lifeใUp to 10 years service life, up to 4000~15000 deep cycles. It can work at -20โ~60โ and charge at -5โ~55โ. 4000 cycles @100% DOD, 8000+ cycles @80% DOD and up to 15000+ cycles @60% DOD. (The ideal data is based on proper usage).
- ๐ใBuilt-in intelligent BMSใThe intelligent BMS of GLCE ENERGY protects your 48V lifepo4 battery 50Ah from the most common causes of battery failure, such as temperature fluctuation, ground fault, overcharge, over discharge, over current and short circuit.
- ๐ใMultiple ApplicationsใThis 48V lifepo4 battery is the perfect choice for trolling motor, solar power system, household appliances, marine, caravan, motorhome, sump pump battery, fishing boat, industrial tools, hunting, lawn and garden equipment, travel trailer, kayak, solar home energy storage, off-grid applications, etc.
- [10 Years Lifetime and 5000+ Deep Cycles] OGRPHY 48 volt lithium battery is made of new grade A cells with UL certification. 10 years lifetime and 5000+ deep cycles is not just a slogan under instructions on the product manual.
- [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.
- [30 Miles Range for 3KW Golf Motor] The electric capacity of OGRPHY 48V 100AH LiFePO4 battery is 5.12kWH. OGRPHY 48V 100AH lithium battery was able to run a golf cart with 3kw motor for 30 miles under tests. No worry about the capacity at all, OGRPHY 48V 100AH golf cart battery will bring you home after the full eighteen holes.
- [Bluetooth BMS] OGRPHY 48V lithium battery was built in a smart bluetooth BMS which can be connected with your cell phones. Download the APP from the product manual, turn on the bluetooth of your cell phone, then you can connect with the battery in the APP. All the parameters will be displayed.
- [Various Usage Scenarios] Though OGRPHY 48V 100AH LiFePO4 battery was originally designed to be used as golf cart battery, but with the upgraded 200A BMS, OGRPHY 48V 100AH battery is also suit for trolling motors, solar systems, RV, marine.
- [10 Years Lifetime and 5000+ Deep Cycles] OGRPHY 48 volt lithium battery is made of new grade A cells with UL certification. 10 years lifetime and 5000+ deep cycles is not just a slogan under instructions on the product manual.
- [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.
- [30 Miles Range for 3KW Golf Motor] The electric capacity of OGRPHY 48V 100AH LiFePO4 battery is 5.12kWH. OGRPHY 48V 100AH lithium battery was able to run a golf cart with 3kw motor for 30 miles under tests. No worry about the capacity at all, OGRPHY 48V 100AH golf cart battery will bring you home after the full eighteen holes.
- [Bluetooth BMS] OGRPHY 48V lithium battery was built in a smart bluetooth BMS which can be connected with your cell phones. Download the APP from the product manual, turn on the bluetooth of your cell phone, then you can connect with the battery in the APP. All the parameters will be displayed.
- [Various Usage Scenarios] Though OGRPHY 48V 100AH LiFePO4 battery was originally designed to be used as golf cart battery, but with the upgraded 200A BMS, OGRPHY 48V 100AH battery is also suit for trolling motors, solar systems, RV, marine.
- Easy Installation: Directly replace lead-acid batteries without complicated wiring. Generally, conventional lead-acid batteries usually need to connect 6 or 8 batteries. However, a 48V lithium battery only requires one-time installation. Moreover, its service life is 8 times that of lead-acid batteries. It is equipped with a smarter and more convenient monitor that supports Bluetooth and touch screen, allowing you to check battery information wirelessly. In addition, monitor has a communication port, Directly obtain power from the battery and accurately monitor the key details of the battery in real time, enabling a more intelligent management.
- Safer Metal Case & Fixtures: Battery features a sheet metal casing which is sturdy, fireproof and anti-collision. Generally, ordinary 48V lithium batteries only use ABS
materials for the casing. With a sheet metal casing, it is stronger and has better safety performance. Moreover, the internal battery cells of DC HOUSE lithium batteries are fixed by metal clamps. The metal fixtures weigh as much as 2.2 lbs (1 kg). Compared with other simple methods of fixing battery cells, the metal clamps can better stabilize the battery cells and ensure safety under various circumstances. In addition, when paired with A-grade battery cells, it can effectively extend the battery life by 30%.
- Dual BMS Protection: Our batteries possess a 2C discharge capacity๏ผ400A/30S๏ผ1000A/1S๏ผ, Avoid the worry of power outages when climbing slopes or accelerating. If Sudden power outage, the current will be automatically restored within 32S. Besides,18A charger equipped by us also comes with BMS protection function, ensuring the safety of every aspect of charging in both directions. Due to overweight, the 48V 100Ah battery and the 48V 18A charger will be shipped in two separate packages. If you only receive one package, please wait patiently.Attached monitor may be damaged during express delivery. If there is any damage, please contact us for replacement. We will upgrade the packaging.
- Complete Accessories: 48V 100Ah lithium battery is only one-third the size of a lead-acid battery and is easy to install. Its compact length ร width ร height is 18.9 ร 13.23 ร 10.79 inches. It weighs only 49KG (108lbs). What's important is that it comes with an 18A charger and a monitor. The charging cable is 5 meters (16.4 feet) long, and it only takes 5.5 hours to fully charge. It can achieve perfect plug-and-play functionality wherever you are.
- Installation Guidance: It can supply power for 48-volt equipment like Yamaha
, 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).
- IT FROM XUQCAH MATERIAL AND FOIMOJSK PARTMENT AND Thurder LOVER
- Exceptional Performance: The 51.2VDC 105Ah LiFePO4 golf cart battery is made with EV-grade LiFePO4 cells, delivering exceptional performance. Say goodbye to range anxiety-enjoy a 50-mile range on a single charge.
- 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.
- 5-Hour Fast Charging: This lithium battery comes with a 58.4VDC 20A charger, fully charging the battery in just 5 hours. The aviation-grade connector makes wiring flexible and easy, while the IP65 waterproof rating ensures security and reliability.
- ใTop-Flight Performance ใ48V 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.
- ใGet Rid of Lead-acid NowใVatrer 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.
- ใBuilt-in 200A BMS & Multiple Protection ใThe LiFePO4 battery built-in 200A BMS provides over-charge/discharge, over-current, high/low temperatures, and short-circuiting protection. The battery case is made of high-strength cold-rolled sheet metal is fireproof, shockproof and IP67 waterproof. With good thermal and chemical stability. Maintenance free, no daily maintenance work and cost.
- ใBorn for Golf Carts & LCD TouchscreenใThe 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.
- ใExceptional 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.
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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-924 The information contained in this report was submitted pursuant to 49 CFR ยง573 Manufacturer Name : Easymile Inc. Submission Date : DEC 13, 2022 NHTSA Recall No. : 22V-924 Manufacturer Recall No. : NR Manufacturer Information : Manufacturer Name : Easymile Inc. Address : 3300 Walnut Street Suite 124 Denver CO 80205 Company phone : 2738891 Population : Number of potentially involved : 4 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2018-2019 EasyMile EZ10 Vehicle Type : LOW VOLUME VEHICLES Body Style : OTHER Power Train : NR Descriptive Information : While charging, an EasyMile Gen2 EZ10 Vehicle caught fire. A second EasyMile Gen2 EZ10 Vehicle exhibited smoking while charging. Defective 48V batteries, manufactured by E4V in 2017, caused these incidents. The root cause of the 48V battery defect is still being investigated. Production Dates : JAN 15, 2018 – MAR 18, 2019 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : EasyMile Gen2 EZ vehicles equipped with 48V batteries, manufactured in 2017 by E4V, are susceptible to catching fire during charging. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : Fire and possible battery-gas emissions could cause damage and injury. Description of the Cause : NR Identification of Any Warning that can Occur : NR Involved Components : Part 573 Safety Recall Report 22V-924 Page 2 The information contained in this report was submitted pursuant to 49 CFR ยง573 Component Name 1 : 48V Battery Component Description : 48V Battery Component Part Number : BSA 0072 Supplier Identification : Component Manufacturer Name : E4V Address : 10 rue Vincent Scotto Le Mans Foreign States 72000 Country : France 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 NHTSAโs 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. Part 573 Safety Recall Report 22V-924 Page 3 The information contained in this report was submitted pursuant to 49 CFR ยง573 Description of Remedy : Description of Remedy Program : All affected 48V batteries have been removed from the four Gen2 EZ10 vehicles and Li-Cycle (qualified vendor) will decommission the batteries. The two vehicles involved in the September 21, 2022 incident will be destroyed. One of the two remaining vehicles has been decommissioned with the affected batteries removed and will be used for research and development of future-generation electric vehicles . Replacement batteries with a newer technology will be installed in the one remaining active Gen2 EZ10 vehicle. It is EasyMileโs understanding, based on communications with NHTSA, that owner-notice letters will not be required given that all defective batteries have been removed from all affected vehicles. How Remedy Component Differs from Recalled Component : New batteries are a different product and have a newer technology with a different design Identify How/When Recall Condition was Corrected in Production : EasyMile is no longer equipping Gen2 EZ10 vehicles with the 2017 affected 48V batteries Recall Schedule : Description of Recall Schedule : All owners have already been informed of the recall and all defective batteries have been removed from all affected vehicles EasyMile has No Dealers in the USA. Planned Dealer Notification Date : NR – NR Planned Owner Notification Date : NR – NR * NR – Not Reported
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