1.High quality battery holder case with wire leads for easy soldering and connecting.
2.Battery Type: 2x 3.7V 18650 battery；Cable Length: 15cm;Material: Durable plastic and metal.
3.Each battery holder comes with a case cover for keeping the battery in place.
4.Package includes: 4* 2slots 18650 battery case and 4* black battery strap.
5.Great items for keeping your standard or rechargable batteries together and safe.