Feature:1. Fast Dual Battery Charging: Suitable for X4 action cameras, this charger supports rapid charging for two batteries simultaneously. It intelligently switches to trickle charging at 80% battery capacity, ensuring efficient and safe charging until full.2. USB Type C Compatibility: Equipped with a USB type C cable, this dual battery charger offers 12V 3A, 9V 3A, 5V 3A input, and 4.4V 1.5A output. It achieves a 90 minute charging time with a 12V 3A power adapter, requiring a power source for battery charging.3. LED Status Indicators: Each port features an independent LED status indicator, displaying the charging status of each battery. Red indicates charging in progress, while green signals a full charged, providing clear visibility of the charging status.4. Comprehensive Safety Guard: Built in preventions against overcharging, short circuits, overheating, overcurrent, and overvoltage ensure safe and reliable operating, offering peace of mind without safety concerns.5. Multifunctional Design: Doubling as a storage box for camera batteries and micro storage cards, the charger hub cover securely closes to protect batteries from exposure and damage. Its compact structure makes it easy to carry, providing convenient storage and carrying options.Specification:Item Type: Action Camera Dual Battery ChargerMaterial: ABSColor: BlackApplication: for X4.Package List:1 x Battery Charger Hub1 x USB Cable1 x User Manual