At the heart of the JHV03 lies a sophisticated thermal management system that sets us apart. This isn’t just a simple circuit; it is the culmination of nearly 10 years of continuous iterative upgrades to our original 2015 microcontroller (MCU) architecture.
By refining our algorithms over thousands of test cycles, we have perfected a system that ensures ultra-stable voltage output and superior energy efficiency. This mature technology not only provides a safer user experience but also maximizes the longevity of your battery packs, making the JHV03 a reliable choice for professional and outdoor use.
The JHV03 utilizes high-performance Carbon Fiber Far-Infrared elements. Unlike traditional heating wires, carbon fiber is incredibly durable, flexible, and emits gentle infrared waves that penetrate deeper for more effective warmth.
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Dual Front Zones: Located at the chest to protect vital organs.
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Large Back Zone: Positioned at the upper back to radiate heat across the core.
Our smart control interface allows users to toggle between three distinct modes, each optimized for different environmental needs:
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🔴 HIGH (Red):
| Rapid warmth for extreme conditions (Approx. 3.8 hours) -
🔵 MEDIUM (Blue/Green):
| Balanced comfort for active use (Approx. 5.1 hours) -
⚪ LOW (White/Blue):
Long-lasting warmth for all-day wear (Approx. 6.1 hours)
(Data based on standard 9V 5,000mAh battery output)
4. Technical Specifications
| Feature | Specification |
| Model Number | JHV03 |
| Heating Element | Carbon Fiber (Far-Infrared) |
| Heating Zones | 3-Zone (Left Pocket, Right Pocket , Back) |
| Control System | Proprietary Iterative MCU (Est. 2015) |
| Input Interface | Compatible with Power Banks/Battery |
| Fabric Material | High-density windproof shell with thermal fleece lining |
| Washability | Machine washable (Tested for 50+ cycles) |
| Certifications | CE / RoHS / FCC /UN38.3/MSDS/UL |
5. Why Source from Us?
As a vertically integrated manufacturer with dedicated electronics and apparel production bases, we offer more than just products—we offer solutions.
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Direct R&D: From MCU programming to garment design, everything is handled in-house.
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Bespoke OEM/ODM: Custom heating zone configurations, private labeling, and tailored fabric selections.
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Proven Reliability: Our 2015 technical foundation means you are partnering with a supplier that understands the “science of heat.”
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