Pack of 4 2 x 1.5 V 3 V AA Plastic Battery Holder with Case, Connection Cable and On/Off Switch, 2 x AA Battery Holder

Product description: 3V AA plastic battery holder with cover, switch and cable; voltage output: 3V. (Battery is not included) Quality Material The battery holder is made of ABS plastic with nickel plated springs that hold the batteries firmly. With a USB input interface, you can use a laptop, car charger, mobile phone charger, etc. to charge the battery Resonables Design:Metallic spring with pen design for easy installation and convenient for DIY work. Each battery holder comes with a housing cover to keep the battery in place. Wide Application Ideal for simple DIY charger. Ideal for boards, microcontrollers, guided projects, toys, also replacement for broken battery holders of many electronic devices.