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CPSC warned March 5, 2026 that Junsyoung heated insoles’ internal lithium-ion batteries can overheat and ignite during use, posing serious burn injury and fire hazards. [1] Four ignition and fire incidents caused burn injuries including second- and third-degree burns requiring skin grafts. [1]
Battery Overheating and Ignition
The lithium-ion batteries in the heel area overheat during use, reaching temperatures causing ignition. Once batteries ignite, fires spread rapidly while insoles are worn inside shoes.
Users cannot quickly remove burning insoles from shoes, prolonging contact with flames and hot materials. The confined space inside footwear intensifies heat exposure causing severe burns.
Severe Burn Injuries
Four incidents caused second- and third-degree burns requiring skin grafts. Third-degree burns destroy all skin layers, damaging underlying tissues and requiring surgical intervention to replace destroyed skin.
Feet are particularly vulnerable to severe burns as skin cannot be easily protected once insoles ignite. Burns on feet require prolonged healing, multiple surgeries, and often result in permanent scarring and mobility limitations.
Product Specifications
The insoles are black and red with lithium-ion batteries embedded in heel areas. Remote controls operate the heating functions. “Junsyoung” branding or “JAMRIC” seller name appears on purchase receipts.
Manufacturer Refusal to Cooperate
JunShengyoung of China manufactured the insoles and has been unresponsive to CPSC requests for recall or product information. The company’s refusal leaves defective products in consumer hands without remedy.
CPSC issued the public warning because the manufacturer rejected recall cooperation. Consumers must dispose of insoles immediately following hazardous waste procedures for lithium-ion batteries.
Amazon Distribution
Amazon sold the insoles from July 2023 through March 2024. The nine-month distribution period placed defective battery-powered insoles in consumers’ footwear before CPSC’s warning.
Design Defect Liability
Heated insoles with batteries that overheat and ignite during normal use are defectively designed. Lithium-ion battery systems require thermal management preventing overheating and ignition.
JunShengyoung failed to incorporate adequate battery protection, creating unreasonable burn and fire hazards. Strict liability applies for design defects causing injuries.
Inadequate Battery Management Systems
Battery-powered wearable products require management systems monitoring temperatures and preventing overheating. The insoles lacked sufficient thermal sensors, cooling mechanisms, or automatic shutoffs preventing dangerous temperature escalation.
Failure to Warn
JunShengyoung sold heated insoles for nine months without warnings about battery overheating and ignition risks. Manufacturers knowing products contain defects causing severe burns must warn consumers or recall products.
Refusal to Recall After Warning
JunShengyoung’s unresponsiveness to CPSC after burn injuries demonstrates willful disregard for consumer safety. Companies ignoring recall requests after serious injuries face enhanced liability and punitive damages.
Personal Injury Claims
Individuals suffering second- or third-degree burns from Junsyoung insoles may recover medical expenses, surgery costs, skin graft procedures, hospitalization, physical therapy, lost wages, permanent scarring, mobility impairment, and pain and suffering. Severe foot burns often require multiple surgeries and lifelong limitations.
Disfigurement and Scarring
Third-degree burns causing permanent scarring and disfigurement on feet warrant substantial damages. Visible scars affect quality of life, footwear choices, and physical activities. Skin graft scars differ in texture and appearance from surrounding skin.
Property Damage Claims
Insole fires causing damage to shoes, flooring, vehicles, or structures allow property damage recovery. Fires igniting while users are in vehicles or homes create substantial property losses.
Loss of Consortium
Spouses of burn victims may claim loss of consortium for injury impacts on marital relationships. Severe burns affecting mobility, physical intimacy, and daily activities support consortium claims.
Punitive Damages
JunShengyoung’s refusal to respond to CPSC after multiple burn injuries supports punitive damages. Ignoring regulatory requests after knowing products cause severe burns demonstrates reckless disregard warranting punitive awards.
Amazon Platform Liability
Amazon’s role distributing defective insoles may create platform liability. E-commerce sites facilitating sales of products causing severe burns face potential responsibility for injuries.
Manufacturing in China Jurisdiction
JunShengyoung’s location in China complicates enforcement and collection. However, Amazon’s U.S. presence and role as distributor provides domestic litigation targets for injured consumers.
Contact an Attorney
If you suffered burns from Junsyoung heated insoles, contact a product liability attorney. Preserve the insoles, batteries, remote control, packaging, Amazon purchase records, photographs of burns, and complete medical records documenting injuries and skin grafts.
References
1. https://www.cpsc.gov/Warnings/2026/CPSC-Warns-Consumers-to-Stop-Using-Junsyoung-Heated-Insoles-Immediately-Due-to-Risk-of-Serious-Burn-Injury-from-Fire-Hazard-Sold-on-Amazon