ITEM NAME:5 Pcs Black Plastic 2 x 3.7V 18650 Batteries 4 Pin Battery Holder Case A1Q2 5 Pcs Black Plastic 2 x 3.7V 18650 Batteries 4 Pin Battery Holder Case A1Q2 Product Name : Battery Case; Material : Plastic, Metal Body Size : 7.8 x 4 x 2.6cm / 3.1" x 1.6" x 1"(L*W*H); Pin Number( Each ) : 4 Battery Type : 2 x 3.7V 18650 This battery box holder with pin connector, fit for 2 x 3.7V 18650 batteries. With weld leg design, you can easily to put the battery in it. Battery is not included here. Color : Black Net Weight : 72g Package Content : 5 x Battery Case Holder Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm..This battery box holder with pin connector, fit for 2 x 3.7V 18650 batteries. Battery Type : 2 x 3.7V 18650. Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.