18650 battery
An 18650 battery or 1865 cell is a cylindrical battery size (often lithium-ion battery or sodium ion battery) common in electronic devices. The batteries measure 18 mm (0.71 in) in diameter by 65.0 mm (2.56 in) in length, giving them the name 18650. The battery comes in many nominal voltages depending on the specific chemistry used.
Lithium Battery Sizes: Comparison Chart & Guide (2026)
Confused by battery codes? Our 2026 guide explains lithium battery sizes with pictures, a comparison chart, and 18650/21700 dimensions for e-bikes.
18650 Battery Capacity Chart | Battery Tools
In this guide, we''ll take a closer look at the 18650 battery capacity chart, and help you choose the perfect battery for your needs. 18650 Battery Capacity Chart
18650 Battery Specifications: Datasheet and Ratings
Learn about the 18650 battery size, voltage, capacity, charge cycle, and other technical parameters from various manufacturers. Find links to data sheets and ex
18650 Battery Overview: Specs, Performance, Applications & Safety
A complete guide to the 18650 battery: size, specs, chemistry types, safety tips, applications, and how to choose the right 18650 cell for your device.
18650 Battery Specs: The Complete Guide to Size & Voltage
Everything you need to know about 18650 battery specs: dimensions (18mm x 65mm), nominal voltage (3.7V), and capacity range. Learn the difference between protected vs. unprotected cells.
18650 Data Sheets from Samsung, Molicel, Murata
Technical specifications for all the major brands and most popular batteries available today.
What You Need to Know About 18650 Battery Dimensions?
What are the exact dimensions of an 18650 battery? An 18650 battery measures 18mm in diameter and 65mm in length, which gives it the name “18650.” The diameter is consistent with a
18650 Battery Capacity Chart: Complete Power Guide
Discover the 18650 battery capacity chart, compare mAh ratings, and learn how to choose the best option for your needs.
18650 Battery Guide: Types, Comparison, and Best Uses [2025]
18650 Battery Size Chart & Types Comparison This 18650 battery size chart compares different chemistries, voltage, capacity, and best uses, helping you choose the right type.
18650 Battery Specifications: Datasheet and Ratings
What is an 18650 battery? and specifications. The 18650 battery is a Li-ion battery named after its 18mm × 65mm cylindrical size (diameter × height). When compared to AA size, it''s height and diameter