High Performance USB 18650 Li-ion Battery Rechargeable 800+ Cycles Compact

Product Specification

Product Description:

The USB 18650 Li-ion battery is a rechargeable lithium-ion battery with a standard 18650 cell size, commonly used in various portable electronic devices. It features a built-in USB port for convenient charging without the need for a dedicated charger. These batteries offer high energy density, allowing them to store more power in a smaller form factor, and they are known for their long lifespan of over 800 charge cycles.

With low self-discharge rates, the USB 18650 Li-ion battery ensures extended performance even when not in use, making it ideal for applications such as flashlights, headlamps, bike lights, emergency lights, mini-fans, and microphones. Its compact size, reliable power, and ease of use make it a popular choice for a wide range of consumer and industrial devices.

Product advantage:

• High Energy Density: Delivers more power in a compact design, making it ideal for portable and space-constrained devices.

• Long Lifespan: Capable of over 800 charge cycles, ensuring lasting performance and reducing the need for frequent replacements.

• Low Self-Discharge Rate: Retains its charge for extended periods, even when not in use, making it reliable for emergency or backup power applications.

• Convenient USB Charging: Features a built-in USB port for easy, direct charging without the need for additional chargers or adapters.

• Wide Compatibility: Suitable for a variety of devices, including flashlights, headlamps, bike lights, and more, providing versatile energy solutions.

• Environmentally Friendly: As a lithium-ion battery, it offers a more sustainable and efficient alternative to traditional alkaline batteries.

Applications: 

• Flashlights: Powers portable flashlights, providing reliable, bright illumination for outdoor activities, camping, or emergency use.

• Headlamps: Supplies energy for hands-free lighting, ideal for hiking, cycling, or any task requiring focused, directional light.

• Bike Lights: Offers consistent power for bike lights, ensuring visibility and safety during night rides or in low-light environments.

• Emergency Lights: Acts as a dependable backup power source for emergency lighting, ensuring visibility during power outages or emergencies.

• Mini-Fans: Fuels small, portable fans, providing cooling relief during hot weather or on-the-go applications.

• Microphones: Powers wireless microphones, ensuring uninterrupted performance during events, performances, or recording sessions.

Support and Services:

• Custom Battery Solutions: Yunfan Factory specializes in designing and manufacturing tailor-made lithium battery solutions, customized to meet the specific needs of each project, from voltage and capacity to appearance and functionality.

• 24/7 Customer Support: Our dedicated support team is available around the clock to assist with any inquiries, troubleshoot issues, or provide technical guidance to ensure smooth operation.

• Factory Visits & Consultation: We welcome clients to visit our manufacturing facilities, offering comprehensive consultations to discuss project requirements and explore our production processes firsthand.

• Fast Delivery with Local Warehouses: With strategically located warehouses, Yunfan ensures rapid and efficient delivery, reducing lead times and keeping projects on schedule.

• Expert Technical Assistance: Our team of engineers offers in-depth technical support and advice, helping you optimize battery usage and performance to suit your unique applications.

• Quality Assurance & Regulatory Compliance: We adhere to the highest standards of quality control and ensure that all products meet international regulatory requirements, providing clients with reliable and compliant solutions.

• After-Sales Support: Yunfan’s after-sales services include troubleshooting, warranty support, and replacement parts, ensuring customer satisfaction long after the purchase.

Packing and Shipping:

Shipping Methods:

1. Express Shipping: Fast and reliable delivery for smaller orders, ideal for time-sensitive shipments. We use trusted courier services to ensure prompt arrival.

2. Air Freight: A quicker shipping option for medium to large-sized orders, offering faster transit times than sea freight while maintaining cost-efficiency.

3. Sea Freight: The most economical shipping method for bulk orders, perfect for large shipments with less time sensitivity, ensuring a cost-effective solution for international delivery.

Packaging Methods:

1. Carton Box Packaging: Standard packaging for most products, providing secure protection during transit and minimizing the risk of damage.

2. Wooden Box Packaging: Used for heavier or larger items, offering additional durability and protection against impact, ensuring the safety of the products during shipping.

We ensure that both packaging and shipping are tailored to meet your specific needs, balancing safety, cost, and delivery time.

FAQ:

• What is the typical lifespan of the USB 18650 Li-ion battery?
  The USB 18650 Li-ion battery can typically last for over 800 charge cycles, providing long-term reliability and durability.

• How do I store the USB 18650 Li-ion battery when not in use?
  Store the battery in a cool, dry place, away from direct sunlight or extreme temperatures. Make sure the battery is partially charged (around 40%-60%) for optimal storage.

• Can I use the USB 18650 Li-ion battery in any device?
  The USB 18650 Li-ion battery is compatible with a variety of devices, including flashlights, headlamps, bike lights, emergency lights, mini-fans, and microphones. Always check the device’s specifications for compatibility.

• Is the USB 18650 Li-ion battery rechargeable?
  Yes, the USB 18650 Li-ion battery is rechargeable, offering a long lifespan of more than 800 charge cycles when properly maintained.

• What are the safety precautions I should take when using the USB 18650 Li-ion battery?
  Always use the battery within its recommended voltage and temperature ranges. Avoid short-circuiting, overcharging, or exposing the battery to extreme temperatures to prevent potential damage or safety hazards.

• How do I know if my USB 18650 Li-ion battery needs replacing?
  If the battery no longer holds a charge or has significantly reduced runtime, it may be time to replace it. Also, if you notice any physical damage, such as swelling or leakage, discontinue use immediately.