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

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 USB input interface: 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: suitable for simple DIY charger, boards, microcontrollers, guided projects, toys, also replacement for broken battery holder of many electronic devices Cable design: all battery compartment holders with tinned cables in black and red two wire design, excellent for easy soldering and connection