Package Includes: 5pcs 9V battery box with cover, On/Off switch, USB Female Socket, & 5pcs screws, 1pc screwdriver.
Battery Holder Type: 9V battery holder for 1 CELL (Battery not Included); 9V battery snaps with USB Female Socket, cover and On/Off switch.
Premium Material: These 9V battery case holders are made of solid plastic and metal, not easy to break, with good contact performance, without risk of electric leakage
Easy to Use: Just use our attached screwdriver to complete the installation of the battery box and keep it tightly electrical connection. This battery holder with cover and with ON/OFF switch, Can be used as a good external power source.
Wide Application: Ideal for easy DIY charger. Ideal formicrocontroller, guided project, student experiment, LED strip light, also replacement for broken battery holders of many electronic devices.