Insta360 X3 1800 mAh Battery. Be prepared for any situation. With the rechargeable battery from Insta360, you won’t run out of power at the most inconvenient moment. The battery capacity is 1800 mAh, allowing you to create longer and more interesting content. A special case ensures the safety of your equipment. Voltage 3.85 V, charging voltage 4.40 V, nominal power 6.93 Wh, charging time 90 minutes, operating time 81 minutes, operating temperature -20 to 40 °C, charging temperature 0 to 40 °C.