Electric Scooter Product Defects Under N.C.G.S. § 99B-1

Electric scooters are consumer products subject to NC’s Products Liability Act at N.C.G.S. § 99B-1. Manufacturing defects, design defects, and failure-to-warn claims against scooter manufacturers, importers, and distributors proceed in Superior Court independently of any operator negligence claim, without governmental immunity constraints and without any recovery cap.

Three product liability theories are available under N.C.G.S. § 99B-1, each requiring different evidence and addressing different levels of manufacturer responsibility. A manufacturing defect claim alleges that a specific scooter unit deviated from the manufacturer’s own design specification, creating a dangerous condition that would not exist in a properly manufactured unit. A defective brake pad bonding, an improperly torqued stem joint, and a battery cell with a manufacturing contaminant that triggers thermal runaway are manufacturing defect claims targeting the specific unit’s deviation from the design standard.

A design defect claim alleges that the entire product line is unreasonably dangerous as designed. A brake system whose thermal capacity is inadequate for sustained operation at the scooter’s marketed maximum speed fails every unit the manufacturer produces, not just specific defective units. A throttle sensor design that lacks adequate redundant safety cutoffs creates a dangerous condition in every unit of that model. The evidence focuses on the design specifications themselves and whether a reasonable alternative design would have eliminated the danger without significantly reducing the product’s utility.

A failure-to-warn claim alleges that the manufacturer failed to provide adequate warnings about known hazards. Failure to warn about battery charging temperature limits that trigger thermal runaway, maximum rider weight thresholds that affect brake performance, or water ingress conditions that cause controller failure creates N.C.G.S. § 99B-1 liability when the inadequate warning contributed to the crash. Failure-to-warn claims proceed alongside design and manufacturing defect claims when the evidence supports multiple theories.

CPSC recall records for the specific scooter make and model are searched at the first day of every case. A prior CPSC recall for the defect category that caused the crash is strong evidence that the manufacturer had prior knowledge of the hazard and chose corrective measures that either were inadequate or were not implemented before the crash. Prior CPSC safety bulletins, manufacturer service notices, and consumer complaint databases are also reviewed to establish the manufacturer’s full knowledge history at the time of the crash.

Battery Thermal Runaway: The Most Catastrophic Scooter Product Defect

Lithium-ion battery thermal runaway is the most dangerous electric scooter product defect. When a battery cell enters an uncontrolled self-heating cycle, the resulting fire burns at extreme temperatures, cannot be controlled with standard water-based fire suppression, and frequently reignites after apparent suppression.

Battery thermal runaway in electric scooters is triggered by several distinct defect mechanisms. Manufacturing defects in individual cells (metallic contamination, separator defects, or improper cell formation) create internal short circuits that initiate thermal runaway. Battery management system design defects that permit overcharging beyond safe cell voltage limits cause progressive cell degradation that eventually triggers runaway. Mechanical damage to the battery pack from crash impact or road hazards can cause internal short circuits. Inadequate battery enclosure design that allows water ingress can cause controller failures leading to overcharging conditions.

Battery thermal runaway product liability claims pursue multiple defendants across the battery supply chain: the lithium-ion cell manufacturer that produced the defective cells, the battery pack assembler that incorporated the cells into the pack, the battery management system supplier that designed the charging control system, and the scooter brand that marketed the final product. Each entity that contributed to the defective battery system bears product liability in Superior Court.

Physical evidence in battery thermal runaway cases must be preserved with particular care. The battery pack, charger, and charging setup must be documented in their post-failure condition before anything is moved. Battery forensic analysis by a qualified electrical engineering expert establishes which specific component failure in which supply chain entity initiated the thermal runaway cascade. Steve Hayes arranges for independent battery forensic inspection before any defensive examination by the manufacturer can alter the evidence condition.

Charlotte Fire Department has documented multiple electric scooter battery thermal runaway incidents resulting in severe burns to riders and bystanders, property fires that spread to structures, and at least one fatality in the broader US market. The Charlotte-area residential density and the proximity of charging locations to occupied sleeping areas make battery thermal runaway a particularly severe risk for shared scooter fleet operators who do not adequately enforce safe charging protocols for their fleet vehicles.

Preserving the Defective Scooter as Evidence

The defective scooter is the primary physical evidence in every product liability case. Returning it to the operator, retailer, or manufacturer before forensic inspection is the most common and most damaging evidence-destruction mistake in scooter product liability cases.

Steve Hayes implements a formal evidence hold on the scooter and sends written preservation notices to all potentially responsible defendants on the same day as case intake. These notices go to the scooter brand, the manufacturer, the importer, and the distributor, instructing each to preserve all design specifications, prototype testing records, quality control records, consumer complaint records, manufacturing records, and maintenance records for the specific scooter model. This preservation notice must go out immediately to prevent routine document destruction on standard corporate records schedules.

The scooter should be photographed from all angles in its post-crash or post-failure condition before it is moved from the crash location if possible. Photograph any visible mechanical failures, burned or melted components, brake system condition, tire condition, and structural damage. Screenshot any error codes displayed on the scooter’s control panel or app interface. The scooter should then be stored in a secure, dry location where it will not be subject to weather damage or tampering before independent forensic inspection is arranged.

Independent forensic engineering inspection is arranged by Steve Hayes before any defensive inspection by the operator or manufacturer can alter the component’s post-failure condition. The forensic engineer examines the scooter’s mechanical components, electrical systems, battery management system, and structural integrity to identify which specific defect caused the crash and which entity in the manufacturing supply chain is responsible for that defect. This expert analysis forms the factual foundation of every Superior Court product liability claim.

Product liability claims under N.C.G.S. § 99B-1 are filed in NC Superior Court and proceed simultaneously with driver negligence claims when both contributed to the crash. Both defendants are pursued to maximize total recovery. The manufacturer’s product liability is not limited by the operator’s insurance coverage, and the operator’s maintenance negligence is not eliminated by the existence of the product defect. All responsible parties across the supply chain and operator levels are identified and pursued simultaneously from case intake.

Damages in Charlotte Scooter Product Liability Cases

Product liability claims against scooter manufacturers under N.C.G.S. § 99B-1 are not subject to governmental immunity constraints, insurance program limitations, or recovery caps. The full NC personal injury damages framework applies without modification.

Economic damages include all past and future medical expenses from emergency room treatment through surgery, physical therapy, and long-term care for permanent injuries. Lost wages during recovery and lost future earning capacity from permanent impairment are separately documented and calculated. In cases involving catastrophic injuries from battery fires or high-speed brake failure crashes, forensic economists calculate the present value of all future economic losses for the complete damages demand.

Non-economic damages for pain and suffering, emotional distress, PTSD, permanent disability, scarring from burns, and loss of enjoyment of life are recoverable without statutory cap against private manufacturer defendants in NC. Wrongful death damages under N.C.G.S. § 28A-18-2 apply when a product defect causes a fatality. The statute of limitations for product liability claims is three years from the crash or injury date under N.C.G.S. § 1-52.

In cases involving deliberate manufacturer failure to address known defects, particularly battery thermal runaway defects identified in prior CPSC complaints or internal testing but not remediated, punitive damages may be available in Superior Court to punish the manufacturer’s egregious conduct and deter future safety failures. Steve Hayes evaluates punitive damages exposure in every product liability case where prior knowledge of the defect is established through CPSC records or manufacturer internal documents.

Steve Hayes retains product engineering experts with specific experience in electric vehicle battery systems, scooter mechanical design, and e-mobility product liability litigation for every case involving a product defect claim. The expert’s analysis of the specific defect, the available alternative designs, and the manufacturer’s knowledge history provides the technical foundation that product liability cases require. Expert fees are advanced by Steve Hayes as part of the contingency representation.

Your Charlotte Electric Scooter Accident Lawyers

Steve Hayes, J.D. – Founder & Managing Attorney

Steve Hayes has represented Charlotte personal injury clients in product liability cases since 1991, including electric scooter and micro-mobility product defect claims requiring engineering expert coordination, CPSC records investigation, and § 99B-1 Superior Court litigation.

Bar: NC (#18224) | SC | Education: UNC Greensboro, B.A. | Campbell University School of Law, J.D.

Cameron Bauer, Esq. – Associate Attorney

Cameron Bauer works alongside Steve Hayes on scooter product liability cases, managing product preservation demands, manufacturer notification, forensic engineering expert coordination, and supply chain defendant identification.

Bar: NC (#63306) | Education: University of South Carolina, B.A. | Elon University School of Law, J.D.

Authoritative Sources

• N.C.G.S. § 20-4.01: Low-Speed Electric Vehicle Definition
• N.C.G.S. § 20-140: Reckless Driving: Scooter Speed
• N.C.G.S. § 20-129: Required Lighting Equipment
• N.C.G.S. § 20-279.21: Uninsured Motorist Coverage
• N.C.G.S. § 99B-1: Products Liability Act
• N.C.G.S. § 1-52: Statute of Limitations
• N.C.G.S. § 1-139: Contributory Negligence
• North Carolina State Bar

Frequently Asked Questions: Charlotte Electric Scooter Product Liability Lawyer