Specification:
Type: Battery Storage Box with ON/OFF Toggle Switch
Material: ABS,Metal.
Battery type: 18650.
Color: Black.
Style: 2x18650.
Size:42x22x90mm/1.65x0.87x3.54Inches.
Cable Length:150mm/5.90 Inches.
Quantity: 5PCS.

The battery holders are maded of high qualitymaterial. Design small size, easy to carry. Easy and convenient to use
The battery holder has two compartments or chambers for holding two 3.7V battery. It is easy to fix securely with a black cap .It has a ON/OFF toggle switch and make easy control to your DIY model .A good choice for you!
Keeping your standard or rechargeable batteries together and safe.

Note:
Batteries Not Included.
Better use consumer type 18650 cell with button cap or sharp cap to get good electricity conductivity of positive and terminal of box.
When you insert 18650 cell in the slot, please adjust cell position to make good contact of positive terminal with box. The reason is 18650 cell has different outer Diameter.