The 18650 Lithium-ion (Li-Ion) battery is a popular rechargeable battery format widely used in various applications due to its high energy density, long cycle life, and reliable performance. Its name, 18650, is derived from its dimensions: 18mm in diameter and 65mm in length. An 18650 Battery is a lithium-ion rechargeable battery. The first 4 digits of the designation “18650” indicate the physical dimensions while the 5 th digit indicates it is a cylinder cell. The standard 18650 Li-Ion Battery is 18mm around by 65mm long. This type of battery is very common in applications such as laptop battery packs, flashlights, electric vehicles, cordless tools and various other devices that require portable power.

Key Features of 18650 Li-Ion Battery 

High Energy Density: Offers a high energy-to-weight ratio, providing substantial power in a compact size.

Long Cycle Life: Capable of hundreds to thousands of charge/discharge cycles, ensuring durability and cost-effectiveness over time.

Stable Voltage: Delivers a consistent voltage output, which is crucial for the reliable operation of electronic devices.

Low Self-Discharge: Maintains its charge over long periods when not in use, making it ideal for standby applications.

High Discharge Rate: Supports high discharge currents, suitable for demanding applications.

Lightweight: Its lightweight nature makes it suitable for portable applications where weight is a critical factor.

The 18650 Li-Ion battery is a versatile and powerful energy solution, widely recognized for its high energy density, long cycle life, and stable performance. Its broad range of applications, from consumer electronics to electric vehicles and renewable energy storage, highlights its importance in modern technology. As a well-known 18650 Li-Ion Battery Wholesale manufacturer and wholesaler in China, with years of experience, Xiaolu battery cell strives to provide fast delivery and strive to meet all your needs. We have a professional team to produce and customize batteries for your brand and provide OEM/ODM services.