Features:3-Channel :3-channel USB battery replacement for GoPro Hero 9/10 Black, can simultaneously up to 3 batteries. Also designed as a storage box to store your batteries.100% Replacement for GoPro Hero 9/10 Battery:Rapid charging speed and connection, ensure all hero batteries fully charged within 2.5 hours. You could use the included USB Type-C charging cable or a USB type C cable for power supply of the 3-channel .Charging with Multi-Protection:Design with multi-protection, such as over-current protection, over-voltage protection, over- protection, over-discharge protection, over temperature protection and overpower protection, offering a and reliable charging situation for your camera and batteries.Clear Charging Indicator:The smart LED light indicator prevents the overcharge of the battery. Red light means its in charging condition, Yellow light means its close to full, Green light means the charging work is completed.Compact Storage Carrying Case Design:Adopt the curved edge design, further as comfortable to the touch as baby skin. Compact, small in size and light in weight, this battery & storage carrying box is easy to carry around for your outings. Keeps dust and debris out of your batteries while in storage or transit, protects your batteries from scratches and damage.Specifications:Brand: TELESINModel: GP-BCG-901Compatibility:Replacement for GoPro Hero 9/10 Black batteryCharging Time(Fully charged): Within 2.5 hoursInput: 5V-2.4AOutput: 4.4V 800mA*3Item Size: 5.8 * 5.2 * 5.9cm / 2.3 * 2 * 2.3inch (L * W * H)Item Weight: 68.31g / 2.4ozPackage Size: 12.4 * 10.5 * 5.6cm / 4.9 * 4.1 * 2.2inchPackage Weight: 148g / 5.2ozPacking List:1 * 3-Channel USB Battery Quick1 * USB Type-C Charging CableNote:For a and charging condition, please use the product below 45 degree and above degrees centigrade environment temperature.