battery 18650

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A 18650 battery is a type of rechargeable cell that offers high energy density, making it a popular choice for various applications such as powering electronics and tools. Its dimensions measure 18mm in diameter and 65.0mm in length, hence the name 18650. This reliable and long-lasting battery is widely used in devices like flashlights, electric bikes, and portable chargers due to its impressive performance and durability.