Gaeirt 18650 Battery Case - 5Pcs DIY Rechargeable Power Supply Kit with DC 5.5x2.1mm Plug | Easy to Install & Durable | Perfect for DIY Electronics, Solar Projects & Emergency Power Backup

Features: 1. This battery case holder is suitable for 18650 batteries. 2. These battery cases can be used to make a simple DIY charging power supply. 3. This housing can be used with your own battery-powered system 4. High quality material can make sure the durability and stability of the product. 5. Simple structure, easy and convenient to install Specification: Condition: 100% Brand new Item Type: Battery Holder Box Size: Approx. 7.5 x 4 x 2cm / 3 x 1.6 x 0.8in Package List: 5 x Battery Holder Boxes(with DC 5.5x2.1mm plug black wire)