USB 18650 Li-ion Battery Rechargeable High-Capacity Over 800 Charge Cycles Compact Design For Flashlights Headlamps And Portable Devices

The cylindrical USB 18650 Li-ion battery is a rechargeable lithium-ion battery in the popular 18650 form factor, which refers to its cylindrical shape (18mm in diameter and 65mm in length). It features a built-in USB charging port, allowing for convenient direct charging without the need for an external charger. Known for its high energy density, it provides substantial power while maintaining a compact size.

• Compact and Lightweight: The cylindrical design offers a space-efficient form factor, making it ideal for portable and handheld devices.
• High Energy Density: Provides a significant amount of power in a small package, ensuring long-lasting performance for various applications.
• Built-in USB Charging: The integrated USB port allows for easy and convenient charging, eliminating the need for a separate charger.
• Long Lifespan: Supports over 800 charge cycles, offering a durable, cost-effective power solution for long-term use.
• Low Self-Discharge Rate: Retains its charge for extended periods, making it a reliable power source even when not in use for a while.

• Flashlights: Powers high-performance flashlights, providing bright and reliable illumination for outdoor activities, camping, and emergency situations.
• Headlamps: Ideal for hands-free lighting during hiking, cycling, or working in low-light environments.
• E-cigarettes and Vaping Devices: Offers consistent and efficient power for e-cigarettes and vaporizers.
• Portable Fans: Fuels compact, battery-operated fans, providing portable cooling comfort.
• Electric Tools: Powers small, handheld electric tools, offering long battery life.
• Power Banks: Serves as the core power source in portable power banks.
• Bicycles and Bike Lights: Powers bike lights for safe riding during nighttime.
• Toys and Gadgets: Commonly used in remote-controlled toys, drones, and other electronic gadgets.

• Customized Battery Solutions: Tailored lithium battery designs to meet unique project specifications.
• 24/7 Customer Assistance: Dedicated support team available around the clock.
• On-Site Visits & Consultations: Personalized consultations at our manufacturing facilities.
• Fast and Efficient Shipping: Quick and reliable delivery with optimized logistics.
• Expert Technical Support: Experienced engineers available for technical advice.
• Quality Assurance & Regulatory Compliance: Rigorously tested products meeting international safety standards.
• Comprehensive After-Sales Service: Ongoing support including troubleshooting and warranty claims.

Shipping Methods:

• Sea Freight: Economical solution for bulk shipments.
• Air Freight: Faster shipping for medium to large orders.
• Express Courier: Quick delivery for time-sensitive shipments.

Packaging Options:

• Carton Box Packaging: Secure protection for standard shipments.
• Wooden Box Packaging: Extra durability for heavier items.

The USB 18650 Li-ion battery can typically last for over 800 charge cycles, providing long-term reliability and durability.

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.

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.

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

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.

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.