TWO SOLUTIONS IN ONE: Use as a storage box, or as a charger to simultaneously charge for 3 GoPro Hero 12/11/10/9 Black batteries. Keeps water droplets, dust and debris out while in storage. Note: there are two colors of battery, one is blue and one is yellow, you will receive random any color. COMPACT DESIGN: Small, lightweight charger allows for easy portability in your purse, briefcase, luggage or camera bag. POWER YOUR Hero 12 11 10 9 Camera: Easily boost running time of your GoPro action camera and record every moment with 1750mAh replacement batteries. Total charging time for 3 batteries: 2 hours EASY PLUG IN: Type C USB Interface: USB Type-C's user-friendly design lets you always insert the connector to your devices in the right way, and plug and unplug in either direction SAFETY GUARANTEED: Charger and replacement batteries are fully protected against overcharging, short circuits, electronic shock, over discharge, over-temperature, over current, over voltage Introducing the TELESIN 3-Pack Battery Charger, a compact and lightweight solution for charging and storing your GoPro Hero 12/11/10/9 Black camera batteries. This charger offers two functions in one, serving as a storage box to protect your batteries from water droplets, dust, and debris, or as a charger to simultaneously charge up to three batteries. The charger is equipped with a Type-C USB interface for easy plug-in and is fully protected against overcharging, short circuits, and other potential hazards. With a total charging time of 2 hours, you can quickly boost your camera's battery life and get back to recording every moment. The charger and replacement batteries are both compact and portable, making it easy to take with you on the go. Experience the convenience and peace of mind that comes with the TELESIN 3-Pack Battery Charger.