Features: Experience seamlessly power management with our DIY Highly Power Flashlight Driver Circuit Board featuring Type C charging and discharging module, design for efficient and fast charging using common Type C cable. This integrated board combines the driver, charging/discharging module, simplifying connection and enhancing tidiness in your projects. Suitable for DIY enthusiasts and individuals, this circuit board caters to anyone look to customize or upgrades their flashlight setups with advanced features. Perfect for various scenario, from outdoor activity to emergency situation, this highly power Flashlight Driver Board , ensuring consistent brightness and reliability. With builts in overcharge, over discharge, and short circuits protections, this module ensures safety and extends battery life. Specifications: Component:Metal Size:Approx.17.5x17.5mm/0.69x0.69inch Option Type:1pc Flashlight Driver Board,2pcs Flashlight Driver Board; Input:3.7-4.2V Package Includes: Package A 1pc Flashlight Driver Board Package B 2pcs Flashlight Driver Board note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.