Lithium Ion battery type 18650, industrial type (bulk), without individual protection on the cell and with low terminals (low top), mainly used in various mounts for hoverboards, electric scooters...

Economical bulb General Electric Biax™ S/E 4-pin F9BX/827/4P 2G7 - code 37710- with a long life, used in offices, homes and industrial/commercial spaces, in special lamps with 2G7 type clamp. ...