Description :
Low Profile Spring Loaded 22mm 510 Battery Connector DIY Box
Features : A battery Connector loaded 510 connector with spring loaded firing pin has a 22mm base. It adds a Stronger Spring and a hole on the side of the center pin which makes it easier to solder your positive wire to the center pin. The battery Connector is made of stainless steel + brass and carries no current so you don't have to worry about the spring clasping when running high current through it.

Package includeds :
1 x Battery Connector
Details pictures :