History of Battery Size 38140 #
Battery size 38140 is a type of lithium-ion battery that is commonly used in a variety of consumer electronics. The battery size was first introduced in the late 1990s and has since become one of the most popular battery sizes in the world.
The 38140 battery size is a cylindrical battery that measures 38mm in diameter and 140mm in length. It is commonly referred to as a “18650” battery, as the first two digits of the size code refer to the diameter of the battery and the last two digits refer to the length.
Typical Chemistry #
The 38140 battery size is typically made with a lithium-ion chemistry. This type of battery is known for its high energy density, which means that it can store more energy in a smaller package than other types of batteries.
The lithium-ion chemistry also has a relatively low self-discharge rate, meaning that it can hold its charge for a long time without needing to be recharged. This makes it ideal for use in consumer electronics, as it can provide a steady and reliable power source for long periods of time.
Typical Use #
The 38140 battery size is commonly used in a variety of consumer electronics, such as laptop computers, digital cameras, and portable media players. It is also used in some electric vehicles, such as electric bicycles and scooters.
The battery size is also popular in the hobbyist market, as it is often used in DIY projects and custom electronics. It is also used in some medical devices, such as pacemakers and hearing aids.
The 38140 battery size is designed to be lightweight and compact, making it ideal for use in portable devices. It is typically made with a metal casing, which helps to protect the battery from damage and also helps to dissipate heat.
The battery size is also designed to be rechargeable, which makes it convenient for use in consumer electronics. It is typically charged with a standard USB cable, which makes it easy to charge from any USB port.
The 38140 battery size is also designed to be safe and reliable. It is designed with safety features such as overcharge protection and short circuit protection, which help to prevent damage to the battery and the device it is powering.