Insta360 X4 Battery Bundle 2x 2500mAh JH-X4 Li-ion Packs & 3-Slot Charging Hub Insta360 X4 compatible battery bundle featuring two rechargeable Li-ion battery packs and a three-channel fast charging hub. Each JH-X4 model battery offers a 2500mAh capacity (9.63Wh) with a rated voltage of 3.85V, designed specifically for the X4 action camera. The set includes two protective storage cases for the batteries and a compact USB-C charging dock that allows for simultaneous charging of up to three units. Perfect for extending your filming sessions and keeping your gear organized.