ITEM NAME:1pc Black Plastic 3 x 3.7V 18650 Batteries 6 Pin Battery Holder Case BX This battery box holder with pin connector, fit for 3 x 3.7V 18650 batteries. With weld leg design, you can easily to put the battery in it. Battery is not included here. Product Name : Battery Case Material : Plastic, Metal Body Size : 7.8 x 6 x 2.6cm / 3.1" x 2.4" x 1"(L*W*H) Pin Number( Each ) : 6 Battery Type : 3 x 3.7V 18650 Color : Black.This battery box holder with pin connector, fit for 3 x 3.7V 18650 batteries. Battery Type : 3 x 3.7V 18650. Pin Number( Each ) : 6. With weld leg design, you can easily to put the battery in it.