4-Piece AA Battery Holder with USB, Storage Box for 4 AA Batteries, 6V Plastic Battery Holder Case with USB Female Plug for Toys, Remote Control Cars and Electronic Projects

High Compatibility and Performance: This battery holder accommodates four AA batteries, providing a stable 5V to 6V output, perfect for powering USB devices and electronic projects requiring a portable power source. Convenient Design with USB: Equipped with a female USB port, this battery holder allows for easy and convenient connection without the need for soldering, ideal for mobile use with various USB devices. Optimal Safety with Switch: Featuring an integrated on/off switch, this holder allows you to easily cut off the power, preserving battery life and ensuring the safety of connected devices when not in use. Versatile Application: Perfect for a wide range of uses, including toys, remote-controlled cars, light decorations, and DIY projects requiring a 5V to 6V power supply. Economical and Durable Pack: This set includes four AA battery holders with USB ports, made with high-quality materials to ensure durability and reliability with every use.