Specification: Item: Mini 4K/2/2 SE/SE Battery 2 Pack Voltage: 7.7V Capacity: 2400mAh(18.48Wh) Flying Time: 31 Mins when fully charged (Change with the weather, temperature, flight mode, charging time, etc.) Multiple Protections against: short-circuit, over-charge, over-discharge, over-voltage, over-current, and over-heating Compatible with: DJI Mini 4K DJI Mini 2 DJI Mini 2 SE DJI Mini SE Original Mini 2 Battery charger DJI Fly APP Warnings Before First Flight: Please fully charge the battery before the first flight Please make 2-3 low-altitude test flights before high-altitude flights Package Included: 1 Pack Intelligent Flight Battery for DJI Mini 2, Mini 2 SE, Mini SE Other Safe Tips: Only use the specific charger; Store it in a clean, dry, and cool place; Better use the battery once every 2 or 3 weeks; Keep away from the fire, heat, and metal objects; Avoid touching the surface immediately after flight; Charging time better less than 24H, and unplug the charger in time; Better take out the battery when it’s not in use for a month or longer; Better take out the battery when making some adjustments on your drone.