- Adjustable Metal Column: Designed to flexibly fit your device, ensuring optimal contact and performance. - Versatile Battery Holder: Capable of securely holding batteries for reliable power supply, making it ideal for various applications. - Compatible Usage: Perfect for most flashlights and toys, enhancing their functionality and extending their lifespan. - Size Requirement: Specifically designed for flashlight bodies with a battery hole diameter greater than 22mm, ensuring a proper fit. Use Scenarios: - Upgrade your flashlight: Replace worn-out components to restore bright illumination for camping, emergencies, or home use. - Enhance your toys: Ensure consistent performance and extended playtime by securely holding batteries in toys. - DIY Projects: Use this adaptable battery holder in custom electronic projects, maintaining a stable power connection for optimal operation.