Empower your outdoor filming adventures with reliable backup energy. This premium charging hub and battery kit is engineered to provide continuous power for your high-performance action cameras. Fully compatible with Insta360 X4 Air, it ensures your gear stays powered during intense action shooting, vlogging, skiing, or hiking. The exact physical fit allows the replacement batteries to slide smoothly into your camera without any pop-ups or error codes, restoring full power instantly so you never miss a crucial moment. ​Equipped with a dual-channel fast charging design, this kit features two high-capacity 2050mAh batteries to effectively eliminate low-battery anxiety during long shoots. The intelligent hub offers an innovative reverse charging power bank function. With a bi-directional 10W USB-C output, it allows you to utilize stored battery energy to charge your smartphone, wireless earbuds, or other critical outdoor gear on the go, making it a highly versatile travel companion for modern creators. ​Stop guessing how much power you have left. The built-in 1.47-inch high-definition LCD screen provides real-time monitoring of exact power metrics, including State of Charge (SOC), voltage, temperature, and health cycles. For ultimate device protection, an advanced battery management chip safeguards your expensive camera equipment against over-charging, over-discharging, over-heating, over-voltage, and short-circuits, ensuring safe operation during every charge cycle. ​Product Specifications: ​Battery Capacity: 2050mAh per cell ​Charging Hub Input: 20W Fast Charging ​LCD Screen Size: 1.47-inch HD Display ​Compatibility: Compatible with Insta360 X4 Air Action Cameras ​Package Content: ​2 x 2050mAh Replacement Batteries ​1 x 20W Intelligent Fast Charging Hub ​1 x USB-C Fast Charging Cable ​1 x User Manual