3x AA Battery Holder Case with Switch & USB Interface – 4.5V Portable Battery Box for DIY Electronics Power Supply

Power your DIY projects easily with this 3xAA Battery Holder Case, a compact and reliable power solution designed for electronics, repairs, and hobby builds. Featuring a built-in ON/OFF switch and optional USB interface, this versatile battery box delivers stable 4.5V output (3 × 1.5V AA batteries) for a wide range of devices.

Made from durable hard plastic material, this battery case is designed to safely store and protect your AA batteries while keeping your wiring neat and organized. The compact size (70mm × 50mm × 19mm) makes it perfect for small electronics projects without adding bulk.

Equipped with pre-attached wire leads, this battery holder allows easy soldering or direct connection, making it ideal for DIY kits, LED lighting systems, Arduino projects, toys, and other portable electronics. The built-in switch gives you quick control to power devices on or off instantly.

Whether you're building a prototype or replacing a power source, this AA battery box with USB/line interface option ensures convenience, flexibility, and stable energy delivery in one simple design.

✨ Key Features:

• Holds 3 AA batteries (4.5V output total)
• Built-in ON/OFF switch for easy power control
• Optional USB interface for flexible connections
• Durable hard plastic protective shell
• Pre-installed wire leads for easy wiring/soldering
• Compact and lightweight DIY-friendly design
• Ideal for electronics, LED projects, toys & repairs
• Keeps batteries organized and securely housed

Perfect for makers, students, and electronics enthusiasts, this AA battery holder case is a must-have power solution for your creative projects.