This smart battery charging dock, designed specifically for the Insta360 Ace Pro 2, supports simultaneous, efficient charging of three batteries, significantly improving charging efficiency and ensuring uninterrupted shooting. The dock employs intelligent charging management technology, automatically adjusting output power based on battery level to achieve fast charging while protecting battery health and extending battery cycle life. In addition to charging, this product also offers practical storage, holding up to three Micro SD cards simultaneously. Easily organize memory cards and batteries, making it an ideal accessory for outdoor shooting and everyday carry. The charger features multiple overcurrent protection mechanisms, including input/output overcurrent, overvoltage, overtemperature, short circuit, and electrostatic discharge protection, ensuring safe and reliable charging. The front panel features intuitive LED indicators that display real-time charging status and battery level, making it simple and clear to use. Compatible only with Insta360 Ace Pro 2 batteries; not compatible with Ace Pro or Ace series batteries. Input is 5V/3A, single-slot output is 4.48V/1A, and charging takes approximately 2 hours. Lightweight and portable, it's a powerful assistant for Ace Pro 2 users seeking efficient charging and intelligent management.