18650 battery cells are used in a wide variety of products from the 1990s through the 2020s, and are widely regarded as the most produced lithium-ion cell size.

The 18650 battery is a cylindrical, rechargeable lithium-ion (Li-ion) cell, named for its dimensions: 18mm in diameter and 65mm in length. Renowned for its high energy density, long cycle life, and consistent …

18650 Battery, 3.7V 2600mAh Rechargeable Li-ion with PH2.0/2P Connector for Flashlights, Drones, RC Toys, Electronics，Please Check Connector Polarity Before Purchase

Nov 12, 2022 · Laptops and other electronic devices use one or more 18650’s and have recharging electronics built in. 18650’s are also used in vaping (smoking) devices. 18650s are are generally …

Sep 16, 2025 · What is an 18650 battery? An 18650 battery is a rechargeable lithium cell that measures 18mm in diameter and 65mm in length, with a typical voltage of 3.6–3.7V and capacity between …

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.

The 18650 battery is a versatile and popular lithium-ion battery, offering a high energy density and long-lasting performance for a wide range of modern electronics.

Choose from our selection of 18650 batteries, including batteries, button/coin cell batteries, and more. Same and Next Day Delivery.

Feb 17, 2025 · A 18650 battery is a rechargeable lithium-ion battery with a cylindrical shape, measuring 18mm in diameter and 65mm in length. It is widely used in power tools, laptops, flashlights, and …

Search Newegg.com for 18650 lithium ion battery. Get fast shipping and top-rated customer service.