toin 5 .<br /><br />package contents:<br />1 x battery case holder batteries are not included!<br /><br />material:abs<br />color: black<br />weight:14g<br />size: approx. 78x40x24mm<br /><br />features:<br />made of abs material・ lightweight・ convenient to carry<br />easy to install<br />suitable for 2x18650 batteries<br />you can use this case with your own battery to form power system supply