Package Includes: 4pcs 18650 Battery Holder, 2pcs Plastic Battery Storage Box.
Quality Material: Made of ABS plastic and metal, durable and long service life.
Easy to Connect: 3.7V Battery Holder, either for disposable or rechargeable batteries, the hard pins are great for easy soldering and connecting.
Easy to Use: Easy install and convenient for electric circuit DIY work. Simple structure, easy and convenient to install.
Wide Application: These battery cases can be used with your own battery-powered system, can be used to make a simple DIY charging power supply.