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

মৌলিক বৈশিষ্ট্য
উৎপত্তি স্থান: চীন
ব্র্যান্ড নাম: Yunfan
সার্টিফিকেশন: MSDS UN38.3
মডেল নম্বর: ইউআরইউ 2150
বাণিজ্যিক সম্পত্তি
ন্যূনতম অর্ডার পরিমাণ: 1000
দাম: call for pricing
অর্থ প্রদানের শর্তাবলী: টি/টি
বিশেষ উল্লেখ
Commodity: টাইপ-সি ডুপ্লেক্স 21700 লি-আয়ন ব্যাটারি Model: ইউআরইউ 2150
Nominal Capacity: 5000mah/18.0WH Nominal Voltage: 3.6V
TYPE-C Charge: 5 ভি/1500 এমএএইচ ± 120 এমএ TYPE-C Discharge: 5 ভি/1500 এমএএইচ (সর্বোচ্চ)
B+/B- Charge: 4.2 ভি/2500 এমএ (সর্বোচ্চ) সিসি/সিভি Out Voltage: 3.6V/8.0a (সর্বোচ্চ)
Dimention: 26.7*72.0 মিমি (সর্বোচ্চ)
High Light:

21700 Li-ion battery 5000mAh

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21700 battery with USB-C charging

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cylindrical battery cell 3.6V

পণ্যের বর্ণনা
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.