0.4mm Ultra-Thin Batteries
Revolutionary battery technology for wearables, medical devices, and next-generation consumer electronics. Thinnest in production with medical-grade reliability.
Technical Specifications
Thickness
0.4mm - 2.0mm
Thinnest production batteries available
Capacity Range
10mAh - 500mAh
Customizable for specific applications
Cycle Life
500 - 1000+ cycles
Depending on chemistry and usage pattern
Energy Density
Up to 250Wh/kg
Industry-leading performance
Operating Temperature
-20°C to +60°C
Extended range available
Certifications
ISO 13485, FDA, CE
Medical-grade quality assurance
Perfect For
⌚
Smart Wearables
Ultra-thin batteries power smartwatches, fitness trackers, and smart rings with all-day battery life without compromising form factor.
- Smartwatches
- Fitness Trackers
- Smart Rings
- AR Glasses
👂
Hearing Aids
Medical-grade ultra-thin batteries designed specifically for hearing aids, providing 30+ days of continuous operation in a compact form.
- Behind-the-Ear (BTE)
- In-the-Ear (ITE)
- Completely-in-Canal (CIC)
- Receiver-in-Canal (RIC)
🏥
Implantable Devices
Biocompatible ultra-thin batteries for implantable medical devices, pacemakers, and continuous monitoring systems with 5-10 year lifespan.
- Pacemakers
- Defibrillators
- Neurostimulators
- Glucose Monitors
📡
IoT & Sensors
Flexible ultra-thin batteries for distributed IoT sensor networks, enabling deployment in confined spaces and flexible applications.
- Environmental Sensors
- Asset Trackers
- Health Monitors
- Smart Patches
🎵
Audio Devices
Premium ultra-thin batteries for TWS earbuds, hearing aids, and portable audio devices requiring extended runtime in minimal space.
- TWS Earbuds
- Hearing Aids
- Bone Conduction
- In-Ear Monitors
💡
Consumer Electronics
Ultra-thin batteries for flexible displays, rollable screens, and next-generation consumer devices pushing form factor boundaries.
- Flexible Displays
- Smart Cards
- Thin Laptops
- Wearable Cameras
Why Choose JHY Ultra-Thin Batteries?
Extreme Thinness
0.4mm thickness enables unprecedented form factors and design flexibility for innovative products.
Medical-Grade Quality
ISO 13485 certified manufacturing with full biocompatibility testing for implantable applications.
High Energy Density
Up to 250Wh/kg provides extended runtime despite ultra-compact form factor.
Flexible Design
Custom shapes and sizes available. Curved, rolled, or stacked configurations possible.
Rapid Prototyping
5-7 day turnaround for custom prototypes. Full production in 4-6 weeks.
OEM/ODM Support
Complete technical support from design consultation through mass production.
How We Compare
| Category | Standard Batteries | Ultra-Thin (General) | JHY Ultra-Thin |
| Thickness | 3-5mm | 0.4-2.0mm | ✓ Industry-leading |
| Energy Density | 150-180Wh/kg | 200-250Wh/kg | ✓ Up to 250Wh/kg |
| Cycle Life | 3000-500 cycles | 500-1000+ cycles | ✓ 1000+ cycles |
| Customization | Limited | Moderate | ✓ Unlimited |
| Medical Certification | Not available | Available | ✓ ISO 13485 certified |
| Prototyping Time | 8-12 weeks | 5-7 days | ✓ 5-7 days |
Trusted by Industry Leaders
Leading companies worldwide rely on JHY ultra-thin batteries for their most innovative products
🎵
AudioTech Global
Consumer Electronics
👂
HearCare Solutions
Medical Devices
⌚
WearTech Innovations
Wearables
🔷
VisionAR Corp
AR/VR
🏥
HealthMonitor Inc
Medical Devices
🧬
BioMed Innovations
Medical Devices
📡
LogisticsPro Solutions
Logistics & Tracking
🌡️
ClimateMonitor Global
Environmental Tech
🏭
IndustrialTech Solutions
Industrial Automation
🔒
SecureGuard Systems
Security
🚁
DronePro Technologies
Drones & Robotics
🤖
Robotics AI Inc
Robotics
Join thousands of companies using JHY batteries for their products
Frequently Asked Questions
What makes 0.4mm ultra-thin batteries different from standard batteries?
Our 0.4mm ultra-thin batteries use advanced polymer chemistry and specialized manufacturing processes to achieve unprecedented thinness while maintaining reliability. They're 5-10x thinner than standard batteries, enabling revolutionary product designs in wearables, medical devices, and consumer electronics.
Are ultra-thin batteries suitable for medical implants?
Yes. Our ultra-thin batteries are ISO 13485 certified and fully biocompatible. They're specifically designed for implantable devices including pacemakers, neurostimulators, and continuous monitoring systems. We provide complete traceability and regulatory documentation.
What is the typical lifespan of ultra-thin batteries?
Lifespan depends on application: Hearing aids (30+ days continuous), Smartwatches (1-2 days typical use), Implantable devices (5-10 years). We provide detailed cycle life data and can customize chemistry for specific runtime requirements.
Can you customize ultra-thin batteries for specific applications?
Absolutely. We offer unlimited customization in shape, size, capacity, and voltage. Custom prototypes are available in 5-7 days. We work closely with your engineering team to optimize battery performance for your specific application requirements.
What is the minimum order quantity for ultra-thin batteries?
MOQ varies by customization level: Standard products (1,000 units), Custom designs (500 units), Prototyping/samples (10 units at sample pricing). We offer flexible terms for volume orders and long-term partnerships.
How do ultra-thin batteries compare to competitors?
JHY ultra-thin batteries offer: Thinnest production thickness (0.4mm), Highest energy density (250Wh/kg), Fastest prototyping (5-7 days), Full medical certifications, 30+ years manufacturing experience. We're the preferred supplier for leading wearable and medical device manufacturers.
What certifications do ultra-thin batteries have?
Our ultra-thin batteries are certified for: ISO 13485 (medical devices), FDA compliance, CE marking (Europe), RoHS/REACH compliance, Full biocompatibility testing for implantable applications. We provide complete regulatory documentation.
What is your prototyping timeline?
Standard prototyping: 5-7 days from design approval to sample delivery. Rush prototyping: 3-5 days available for additional fee. Full production: 4-6 weeks depending on volume and complexity.
Ready to Innovate with Ultra-Thin Batteries?
Let our battery experts help you design the perfect ultra-thin battery solution for your application.