4S li-ion 18650 battery mod for Mavic Air | Up to 30m flight time | Strong and durable - YouTube
Amazon.com: KUWATA Mavic Pro Replacement Battery 2-Pack, Intelligent Flight Battery(FB1-3830mAh-11.4V) for DJI Mavic Pro and Mavic Pro Platinum (NOT for Mavic 2) : Toys & Games