Insta360 X4 Battery Replacement X4 Battery with 2290mAh capacity allows for a whopping 135 minutes of shooting at 5.7K30fps. Take two! Features: Replacement battery for the X4 Camera System from Insta360 2290mAh large-capacity battery 27 more than the previous generation batteries Allows for 135 minutes of recording at 5.7K30fps Performs well in temperatures as low as -20C (-4F) with no impact on performance Includes battery and battery storage case