For DJI Battery (Spark, Mavic Pro, Mavic Air, Mavic Pro Platinum, Phantom 4 Pro) - the warranty period is 6 Months and Charge Cycle less than 200 Times.
Give yourself additional flight time with the Intelligent Flight Battery for Mavic Air 2 from DJI. This battery provides Mavic Air 2 owners with 34 additional minutes of flight time. It features the DJI Intelligent Battery Management System built-in, which actively monitors battery status in real time and reports that to you with regular power level readouts. Protections are also built into the battery to prevent damage and extend its life, such as overcharging, overdischarging, and low-temperature safeguards.