This rechargeable lithium-ion battery has a standard 18650 form factor and a large 3,000mAh capacity and is perfect for use in applications that have high power demands such as rechargeable solar panels, trail cameras, security cameras, portable medical devices, radio-controlled devices, etc. The 18650 rechargeable lithium-ion battery is one of many different types of rechargeable batteries on the market. The 18650 is a type of rechargeable lithium-ion battery, and the "18650" refers to the battery's dimensions which are 18mm in diameter by 65mm in length. The 18650 is used in a large variety of electronic devices including laptop computers, flashlights, power banks, electric vehicles, rechargeable solar panels and many other types of high-power applications. Lithium-Ion batteries are known for their high energy densities, high rates of discharge, light weight, long service life, long shelf life, and low self-discharge rates.