Shenzhen Yunfan Power Technology Co., Ltd.
| Payment Terms | T/T |
| Supply Ability | 10000/month |
| Delivery Time | 30 days |
| Packaging Details | Carton |
| Nominal Voltage | 3.6V |
| Nominal Capacity | 4200mAh/5000mAh |
| TYPE-C Charge | 5V/1200mAh±120mA |
| B+/B- Charge | 4.2V/2500mA(Max) CC/CV |
| Battery Type | li-ion battery |
| Size | 21.7*77mm(Max) |
| Color | Black-Green |
| Terminal | Positive electrode pure copper gold-plated cap |
| Brand Name | Yunfan |
| Model Number | URA2150 |
| Certification | UN38.3,MSDS,CE,FCC,KC |
| Place of Origin | China |
View Detail Information
Explore similar products
High Power 26650HP 3.2V 2500mAh 25C Lithium Ion Rechargeable Cell With 3.65V And
26650 3.2V 3400mAh Cylindrical Battery Cell for Wide Temperature Applications
3000mAh 26650 Rechargeable Battery 3.2V LiFePO4 for Flashlights Headlamps Solar
5C Fast Charge 26650 2500mAh Cylindrical Battery Cells 3.2V LiFePO4 3000+ Cycles
Product Specification
| Payment Terms | T/T | Supply Ability | 10000/month |
| Delivery Time | 30 days | Packaging Details | Carton |
| Nominal Voltage | 3.6V | Nominal Capacity | 4200mAh/5000mAh |
| TYPE-C Charge | 5V/1200mAh±120mA | B+/B- Charge | 4.2V/2500mA(Max) CC/CV |
| Battery Type | li-ion battery | Size | 21.7*77mm(Max) |
| Color | Black-Green | Terminal | Positive electrode pure copper gold-plated cap |
| Brand Name | Yunfan | Model Number | URA2150 |
| Certification | UN38.3,MSDS,CE,FCC,KC | Place of Origin | China |
| High Light | 5000mAh Rechargeable Lithium Ion Battery ，21700 Rechargeable Lithium Ion Battery ，Type C Rechargeable Lithium Ion Battery | ||
This high-capacity 21770 lithium-ion rechargeable battery cell delivers reliable 3.6V output with an impressive 5000mAh capacity, ideal for high-drain applications. Featuring a built-in Type-C charging port, it allows direct charging without the need for a separate charger — making it more convenient and user-friendly. Designed with premium safety features, this cell offers excellent cycle life, energy density, and performance consistency.
Model: 21770 lithium-ion battery cell
Recharge Interface: Integrated Type-C port
Charging Time: ~2–3 hours (fast charging supported)
Cycle Life: ≥1000 cycles
Discharge Rate: High-drain compatible
Protection Circuit: Built-in protection against overcharge, over-discharge, overcurrent, and short circuit
Design: Cylindrical with durable metal casing
Flashlight,Headlamp,Bike light,Emergency light,Mini-fan,Microphone,Instruments and apparatus
| Commodity | TYPE-C 21700 Li-ion battery |
| Model | URA2142/URA2150 |
| Nominal Capacity | 4200mAh/15.1Wh; 5000mAh/18.0Wh |
| Nominal Voltage | 3.6V |
| Out Voltage | 3.6V/18.0A(Max);3.6V/10.0A(Max) |
| Certificate | CE/FCC/BSMI/BIS/CB/PSE/KC/UN38.3/MSDS(Option) |
Packing Details
Standard Packing Configuration:
Each cell individually packed in anti-static bags or protective sleeves
Multiple cells placed in inner boxes with foam or cardboard separators
Outer cartons are strong, double-walled export-grade with shock-absorbing filler
Cartons labeled with battery specifications, safety symbols, and handling instructions
Bulk orders: securely stacked on wooden pallets with stretch film for added stability
Optional Packaging Services:
OEM packaging with custom logo/label
Retail-ready blister or box packaging
Barcode, QR code, or serial number labeling for inventory tracking
Shipping Information:
Shipping Methods:
Express (DHL, FedEx, UPS) – for samples or urgent orders
Air freight – for medium-volume, time-sensitive shipments
Sea freight – cost-effective option for bulk quantities
Export Documents & Certifications:
UN38.3 (transport safety certification)
MSDS (Material Safety Data Sheet)
CE, RoHS (available upon request)
Dangerous Goods Declaration (for customs and carrier compliance)
Handling Notes:
Classified as Class 9 Dangerous Goods (UN3480 – Lithium-Ion Batteries)
Compliant with IATA, IMDG, and relevant shipping regulations for lithium batteries
1. What devices can this battery be used in?
This 21700 battery is ideal for high-drain devices such as flashlights, e-bikes, power tools, portable fans, and smart home devices. Ensure the device supports 21700 size and 3.6V input.
2. How is this battery charged?
It features a built-in Type-C charging port. Simply connect a USB-C cable to charge the battery directly—no external charger required.
3. How long does it take to fully charge?
Charging time is approximately 2 to 3 hours, depending on the charging current (recommended 5V/2A).
4. Is the battery protected?
Yes. The battery has a built-in protection circuit (PCB) for overcharge, over-discharge, overcurrent, and short-circuit protection.
5. Can I use this battery in series or parallel configurations?
For multiple-cell configurations, please consult with us to ensure electrical safety and compatibility. The built-in charging circuit may not be suitable for battery packs without adjustment.
6. What’s the difference between this and a standard 21700 cell?
Unlike standard cells, this battery features a Type-C charging port, so it doesn’t require an external charger. It is also typically slightly longer to accommodate the charging circuitry.
7. Can I order this battery with custom labels or packaging?
Yes. OEM/ODM services are available, including custom branding, capacity adjustment, and packaging design.
Company Details
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 ...
Get in touch with us
Leave a Message, we will call you back quickly!