TYPE-C 21700 Li-ion Battery Cell 4200mAh 3.6V Rechargeable Lithium Cell For Flashlight Bike Light Fan Instruments

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.

1. Integrated Type-C Charging – Directly charge the cell without a dedicated charger.

2. Large Power Reserve – 4200mAh capacity ensures extended operating time.

3. Consistent Output – Stable 3.6V voltage suitable for sensitive electronics.

4. Durability & Longevity – Over 500 recharge cycles with minimal capacity fade.

5. Compact Energy Solution – Fits perfectly into modern high-drain portable devices.

• 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

• 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.

• 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.

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.