Specially designed for the S1, the 3S 4.2V battery uses high-energy density Lithium-ion battery cells with a rated capacity of up to 25.92Wh, offering an operation time of up to 35 minutes.* The maximum standby time of the S1 can reach approximately 100 minutes. The built-in DJI Battery Management System intelligently monitors battery capacity and cell status to provide stable power output, and support overcharging/over-discharging protection, idle protection, low-temperature protection, and more.