what is a 18650 battery?
The 18650 battery is a type of rechargeable lithium-ion battery. Its name "18650" refers to its dimensions: 18mm in diameter and 65mm in length. These batteries have become widely used due to their compact size and high energy density, making them suitable for various applications.
Its dimensions are 18 mm in diameter and 65 mm in length. The 18650 battery is cylindrical in shape.
The 18650 batteries use lithium-ion or lithium-ion polymer or Lithium ion phosphate chemistry. They have high energy density and are suitable for a variety of applications.
The nominal voltage is typically 3.7 and 3.2 volts. During the charging and discharging process, the voltage can be different.
18650 batteries come in various capacities, measured in mAh. Its capacities range from 2000mAh to 4000 mAh to meet the energy needs of multiple applications.
The 18650 batteries are rechargeable. They have multiple charging and discharging cycles. They are more cost-effective and environmentally friendly compared to disposable batteries.