The lithium battery of UAV has a higher discharge rate, which can release more electricity in a short time. As long as it is used in the fields of plant protection UAV, patrol, mapping, law enforcement, teaching, etc. The battery capacity covers 2200mAh to 35000mAh, and the rate of discharge can be customized from 5C to 60C. Fast charging and intelligent power management BMS realize human-computer interaction.