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High-Capacity TYPE-C Duplex 21700 Li-ion Battery Rechargeable USB-C Lithium Cell for Flashlight Outdoor & Portable Devices
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High-Capacity TYPE-C Duplex 21700 Li-ion Battery Rechargeable USB-C Lithium Cell for Flashlight Outdoor & Portable Devices
  • name

High-Capacity TYPE-C Duplex 21700 Li-ion Battery Rechargeable USB-C Lithium Cell for Flashlight Outdoor & Portable Devices

MOQ: 1000
Price: call for pricing
Standard Packaging: carton package
Delivery Period: 5-8 working days
Payment Method: T/T
Detail Information
Product Description
Detail Information
Place of Origin
China
Brand Name
Yunfan
Certification
MSDS UN38.3
Model Number
URU2150
Commodity:
TYPE-C Duplex 21700 Li-ion Battery
Model:
URU2150
Nominal Capacity:
5000mAh/18.0Wh
Nominal Voltage:
3.6V
TYPE-C Charge:
5V/1500mAh±120mA
TYPE-C Discharge:
5V/1500mAh（Max）
B+/B- Charge:
4.2V/2500mA(Max) CC/CV
Out Voltage:
3.6V/8.0A（Max）
Dimention:
26.7*72.0mm(Max)
Minimum Order Quantity:
1000
Price:
call for pricing
Packaging Details:
carton package
Delivery Time:
5-8 working days
Payment Terms:
T/T
Highlight:

21700 Li-ion battery 5000mAh

,

21700 battery with USB-C charging

,

cylindrical battery cell 3.6V

Product Description
High-Capacity TYPE-C Duplex 21700 Li-ion Battery Rechargeable USB-C Lithium Cell for Flashlight Outdoor & Portable Devices
The TYPE-C Duplex 21700 Li-ion battery is a high-capacity rechargeable battery with a built-in USB Type-C duplex port, enabling both charging and discharging without the need for an external charger. Designed in the 21700 cylindrical format, it combines compact size, strong output power, and convenient plug-and-play operation. This smart battery solution is ideal for modern portable electronics, outdoor gear, and emergency backup power.
Key Advantages
  • Dual Function Port – Type-C duplex interface for both charging and discharging.
  • High Energy Density – Longer runtime compared to 18650 batteries.
  • Convenient Charging – Direct USB-C input eliminates special chargers.
  • Durable Performance – Long cycle life with stable voltage output.
  • Portable & Versatile – Compact design fits a wide range of devices.
Applications
Flashlights and headlamps Outdoor camping equipment Power banks and mini fans Wireless microphones and speakers Emergency backup power for electronics
Factory Support & Services
• OEM/ODM Customization – Capacity, voltage, and branding available.
• Engineering Expertise – 13+ years of battery R&D and production.
• 24/7 Technical Support – Professional after-sales service worldwide.
• Fast Delivery – Local warehouses and flexible shipping solutions.
• Strict Quality Control – Every unit tested before shipment.
Packaging & Shipping
• Packaging Options: Standard paper cartons or reinforced wooden boxes.
• Shipping Methods: Sea freight, air freight, or express delivery.
• Custom Packaging: Available upon request for branding or retail display.
FAQ
Q1: Can I charge the battery with a normal USB-C cable?
Yes, it supports standard USB-C cables for charging.
Q2: Does it need a special charger?
No, the duplex Type-C port allows direct charging without an external charger.
Q3: What is the typical cycle life?
Over 500+ cycles with proper use.
Q4: Can it be customized with my logo?
Yes, Yunfan Factory provides OEM logo and capacity customization.
Q5: Is it safe for international shipping?
Yes, it complies with UN38.3 and MSDS standards for safe transport.
Tags: 

Cylindrical Lithium Ion Battery,  

Cylindrical Battery Cell Pack,  

Cylindrical Lfp Cells

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Products
PRODUCTS DETAILS
Products

Home Battery Energy Storage

Wall Mounted Lithium Battery

Rack Mounted Lithium Battery

Stacked Energy Storage Battery

Solar Hybrid Inverters

Custom Battery Packs

Lithium Ion Car Battery

Lithium Ion Golf Cart Battery

Deep Cycle RV Battery

Industrial And Commercial Energy Storage

Prismatic LFP Cell

Cylindrical Battery Cells
High-Capacity TYPE-C Duplex 21700 Li-ion Battery Rechargeable USB-C Lithium Cell for Flashlight Outdoor & Portable Devices
  • name
High-Capacity TYPE-C Duplex 21700 Li-ion Battery Rechargeable USB-C Lithium Cell for Flashlight Outdoor & Portable Devices
MOQ: 1000
Price: call for pricing
Standard Packaging: carton package
Delivery Period: 5-8 working days
Payment Method: T/T
Detail Information
Product Description
Detail Information
Place of Origin
China
Brand Name
Yunfan
Certification
MSDS UN38.3
Model Number
URU2150
Commodity:
TYPE-C Duplex 21700 Li-ion Battery
Model:
URU2150
Nominal Capacity:
5000mAh/18.0Wh
Nominal Voltage:
3.6V
TYPE-C Charge:
5V/1500mAh±120mA
TYPE-C Discharge:
5V/1500mAh（Max）
B+/B- Charge:
4.2V/2500mA(Max) CC/CV
Out Voltage:
3.6V/8.0A（Max）
Dimention:
26.7*72.0mm(Max)
Minimum Order Quantity:
1000
Price:
call for pricing
Packaging Details:
carton package
Delivery Time:
5-8 working days
Payment Terms:
T/T
Highlight

21700 Li-ion battery 5000mAh

,

21700 battery with USB-C charging

,

cylindrical battery cell 3.6V

Product Description
High-Capacity TYPE-C Duplex 21700 Li-ion Battery Rechargeable USB-C Lithium Cell for Flashlight Outdoor & Portable Devices
The TYPE-C Duplex 21700 Li-ion battery is a high-capacity rechargeable battery with a built-in USB Type-C duplex port, enabling both charging and discharging without the need for an external charger. Designed in the 21700 cylindrical format, it combines compact size, strong output power, and convenient plug-and-play operation. This smart battery solution is ideal for modern portable electronics, outdoor gear, and emergency backup power.
Key Advantages
  • Dual Function Port – Type-C duplex interface for both charging and discharging.
  • High Energy Density – Longer runtime compared to 18650 batteries.
  • Convenient Charging – Direct USB-C input eliminates special chargers.
  • Durable Performance – Long cycle life with stable voltage output.
  • Portable & Versatile – Compact design fits a wide range of devices.
Applications
Flashlights and headlamps Outdoor camping equipment Power banks and mini fans Wireless microphones and speakers Emergency backup power for electronics
Factory Support & Services
• OEM/ODM Customization – Capacity, voltage, and branding available.
• Engineering Expertise – 13+ years of battery R&D and production.
• 24/7 Technical Support – Professional after-sales service worldwide.
• Fast Delivery – Local warehouses and flexible shipping solutions.
• Strict Quality Control – Every unit tested before shipment.
Packaging & Shipping
• Packaging Options: Standard paper cartons or reinforced wooden boxes.
• Shipping Methods: Sea freight, air freight, or express delivery.
• Custom Packaging: Available upon request for branding or retail display.
FAQ
Q1: Can I charge the battery with a normal USB-C cable?
Yes, it supports standard USB-C cables for charging.
Q2: Does it need a special charger?
No, the duplex Type-C port allows direct charging without an external charger.
Q3: What is the typical cycle life?
Over 500+ cycles with proper use.
Q4: Can it be customized with my logo?
Yes, Yunfan Factory provides OEM logo and capacity customization.
Q5: Is it safe for international shipping?
Yes, it complies with UN38.3 and MSDS standards for safe transport.
Tags: 

Cylindrical Lithium Ion Battery,

Cylindrical Battery Cell Pack,

Cylindrical Lfp Cells

Shenzhen Yunfan Power Technology Co., Ltd.
Room 506, Building B12, Yantian Industrial Zone, Yintian Community, Xixiang Street, Bao 'an District, Shenzhen，China
Tel: 08613544166076
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