Experience reliable and accurate battery monitoring with the Blue Backlit GY-6H Battery Power Display, designed for 12-48V universal applications. This advanced battery capacity indicator and voltmeter is perfect for electric vehicles, solar systems, e-bikes, and a wide range of battery-powered devices. Easy and Safe Installation Featuring only two wires, this device is simple to connect and use, making installation quick and hassle-free. The built-in reverse connection protection ensures your battery and device remain safe from wiring mistakes, providing peace of mind for every user. Clear LCD Screen with Blue Backlight The high-quality LCD screen offers a crisp display with a striking blue backlight, as well as options for green or white. This ensures excellent visibility in all lighting conditions, allowing you to check your battery status at a glance, day or night. Waterproof and Durable Design Equipped with a protective PVC film, the surface of the display is waterproof, making it suitable for both indoor and outdoor use. This durable construction guarantees long-lasting performance, even in challenging environments. Tool-Free, Buckle Installation The innovative buckle design allows for quick and secure installation without the need for screws or additional tools. Mount the indicator easily and enjoy a stable, professional setup in minutes. Real-Time Battery Percentage Display When powered on, the display instantly shows the percentage of remaining battery power, giving you a clear and accurate visual of your battery’s status. Stay informed and avoid unexpected power loss with real-time monitoring. Choose the Blue Backlit GY-6H Battery Power Display for a dependable, user-friendly, and visually appealing solution to your battery monitoring needs. Perfect for anyone seeking efficiency, safety, and convenience in power management.