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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
Integrated Type-C Charging – Directly charge the cell without a dedicated charger.
Large Power Reserve – 4200mAh capacity ensures extended operating time.
Consistent Output – Stable 3.6V voltage suitable for sensitive electronics.
Durability & Longevity – Over 500 recharge cycles with minimal capacity fade.
Compact Energy Solution – Fits perfectly into modern high-drain portable devices.
Application Scenarios
High-lumen flashlights
Head-mounted lights for outdoor exploration
Bicycle lighting systems
Emergency and safety lighting
Portable cooling fans
Wireless microphones and sound equipment
Scientific instruments and precision apparatus
Factory Support & Services
Tailored Customization – Voltage, capacity, branding, and packaging options.
Professional R & D Team – Over 60 engineers with strong design capability.
End-to-End Support – Technical consultation before and after purchase.
Global Logistics Advantage – Multiple warehouses for fast regional supply.
Rigorous Quality Standards – Every batch tested for performance and safety.
Packaging & Shipping
Carton or Wooden Case – Depending on shipment size and destination.
Flexible Transport Options – Ocean freight, air cargo, or courier services.
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.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Seller
Year Established:
2013
Total Annual:
5000000-10000000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
Shenzhen Yunfan Power Technology Co., Ltd is a high-tech enterprise,one of the leading professional battery and inverter suppliers,the main products included 12V.24V.48V LiFePo4 Prismatic Battery and off grid inverter.Use Lithium ion Battery Cell and Battery pack which works for powerful equipments ... Shenzhen Yunfan Power Technology Co., Ltd is a high-tech enterprise,one of the leading professional battery and inverter suppliers,the main products included 12V.24V.48V LiFePo4 Prismatic Battery and off grid inverter.Use Lithium ion Battery Cell and Battery pack which works for powerful equipments ...
