Hi there, below is the Mavic Air 2 Battery Button Functions: 1. Press and hold: Power on the battery. 2. Press once: Check the current battery level. 3. Press and hold for four seconds: Link the aircraft to the remote controller. Should you have any other concerns, please feel free to let me know. Thanks. edited. I have a Mavic 2 Battery that was in storage too long and a cell went under voltage too far and the BMS Chip locked it out. Opened it up hoping to use the tools to open and clear the PF flag but the BMS Chip is different. I did charge the cells individually and they all appear to be fine now, but the board still will not wake up. The Mavic 3 Cine Premium Combo also has more extensive contents, including: Mavic 3 Cine drone × 1, Intelligent Flight Battery × 3, DJI RC Pro × 1, Battery Charger × 1, Battery Charging Hub × 1, Storage Cover × 1, Propellers (pair) × 6, ND Filters Set (ND4\8\16\32), ND Filters Set (ND64\128\256\512), Convertible Carrying Bag, DJI 10Gbps The procedure of clearing Permanent Failure (PF) flags on Texas Instruments BQ30Z55 chip, within Dji Mavic Pro battery. How to access the chip without openin Battery Cycle Count is the number of times that a battery has gone through a cycle. A battery cycle count is not the times that you charge a battery, but simply refers to the times that the battery consumption accumulates to 75% of the battery capacity. When the battery cycle count is over 200 times, battery performance will decline. Life Expectancy of a Mavic Pro or Mavic Pro Platinum 1. Stored in its case on a shelf in my closet - Longer than my life expectancy (excluding batteries) 2. On my desk trying to update successfully - 5-10 minutes after update failure 3. Sport Mode blindfolded -- 2-3 minutes 4. If my wife finds out what I REALLY paid for it - 1 minute. The original advice above is to land with 30% battery life left. DJI have promoted flight times for their Drones. Mine is a Mavic Pro Platinum and the advertised flight time is 30 minutes. My longest flight is 25 minutes over 2.5 km in moderate conditions. Mavic Pro. Phantom 4 Pro. Inspire 2. firmware. 50% is half a cycle. Burning 75% battery and then charging it is three-quarters of a cycle. the battery life kxeXe.