Product Overview
The TYPE-C 21700 Li-ion Battery (Model URA2142) is a high-performance rechargeable cell featuring a built-in Type-C charging interface. With a rated capacity of 4200mAh (15.1Wh) and a nominal voltage of 3.6V, this battery offers reliable power for a wide range of portable electronic devices. It is engineered for efficiency, safety, and long-term durability, making it a dependable energy solution for everyday and professional applications.
Main Features & Benefits
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Integrated Type-C Charging – Directly charge the cell without a dedicated charger.
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Large Power Reserve – 4200mAh capacity ensures extended operating time.
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Consistent Output – Stable 3.6V voltage suitable for sensitive electronics.
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Durability & Longevity – Over 500 recharge cycles with minimal capacity fade.
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Compact Energy Solution – Fits perfectly into modern high-drain portable devices.
Application Scenarios
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High-lumen flashlights
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Head-mounted lights for outdoor exploration
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Bicycle lighting systems
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Emergency and safety lighting
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Portable cooling fans
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Wireless microphones and sound equipment
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Scientific instruments and precision apparatus
Factory Support & Services
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Tailored Customization – Voltage, capacity, branding, and packaging options.
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Professional R&D Team – Over 60 engineers with strong design capability.
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End-to-End Support – Technical consultation before and after purchase.
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Global Logistics Advantage – Multiple warehouses for fast regional supply.
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Rigorous Quality Standards – Every batch tested for performance and safety.
Packaging & Shipping
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Carton or Wooden Case – Depending on shipment size and destination.
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Flexible Transport Options – Ocean freight, air cargo, or courier services.
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Custom Branding Packages – Retail-ready or industrial packaging available.
Frequently Asked Questions
Q1: What is the charging interface of this battery?
It uses a built-in USB Type-C port for easy and universal charging.
Q2: Can this battery power high-drain devices?
Yes, it is designed for equipment like flashlights, headlamps, and instruments.
Q3: How many charge cycles can it support?
Generally more than 500 full charge-discharge cycles under proper use.
Q4: Does Yunfan provide OEM options?
Yes, logo printing, color, and specifications can be customized.
Q5: Is international shipping supported?
Yes, it complies with UN38.3 and MSDS for safe global transport.
