You could solder tabs on the 18650’s so they better mimic a typical alkaline battery cell, but [Travis] notes that because most solder tarnishes the electrical conductivity isn’t always the ...

Beginning with the venerable 18650 popular with laptop manufacturers ... which pass power to the terminals on the outer case of the battery. These small tabs hold back cylindrical cells in a ...

The U.S. Consumer Product Safety Commission warned consumers against purchasing 18650 batteries — which are often used to power vapes and other small devices — due to the risks associated ...